A hockey stick strikes a hockey puck of mass 0.17 kg. If the force exterted on the hockey puck is 35.0 N and there is a force of friction of 2.7 N opposing the motion. what is the acceleration of the hockey puck?

Choices:
0.0054 m/s^2
0.005 m/s^2
200 m/s^2
190 m/s^2

Answers

Answer 1

Answer:

[tex]a=190\ m/s^2[/tex]

Explanation:

Mass of a hockey puck, m = 0.17 kg

Force exerted by the hockey puck, F' = 35 N

The force of friction, f = 2.7 N

We need to find the acceleration of the hockey puck.

Net force, F=F'-f

F=35-2.7

F=32.3 N

Now, using second law of motion,

F = ma

a is the acceleration of the hockey puck

[tex]a=\dfrac{F}{m}\\\\a=\dfrac{32.3}{0.17}\\\\a=190\ m/s^2[/tex]

So, the acceleration of the hockey puck is [tex]190\ m/s^2[/tex].

Answer 2

The magnitude of acceleration of the hockey puck is 190 m/s² .

Given data:

The mass of hockey puck is, m = 0.17 kg.

the magnitude of external force on the puck is, F = 35.0 N.

The magnitude of force of friction is, f = 2.7 N.

We need to find the net force acting on the puck first. For that consider the applied force in the x-direction. Then net force is,

F' = F - f

Solving as,

F' = 35.0 - 2.7

F' = 32.3 N

Now, use the Newton's Second law to obtain the magnitude of acceleration (a) as,

F' = ma

Solving as,

32.3 = 0.17 (a)

a = 32.3/0.17

a = 190 m/s²

Thus, we can conclude that the magnitude of acceleration of the hockey puck is 190 m/s² .

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Related Questions

Which is a true statement about a series circuit?

A.) Every part of the circuit is positively charged.

B.) The current flow through every part of the circuit is the same.

C.) The current through the circuit can take several paths.

D.) Every part of the circuit is negatively charged.

Please help, I'm on a time limit! ​

Answers

the answer is B your welcome

The  true statement about a series circuit is: the current flow through every part of the circuit is the same. Hence, option (B) is correct.

What are series and parallel circuit?

Electrical networks and two-terminal components can be linked either serially or parallelly. The electrical network that results will have two terminals and be capable of operating in either a series or parallel topology.

It depends on your point of view whether a two-terminal "thing" is an electrical network (like resistors connected in series) or an electrical component (like a resistor). In this article, a two-terminal "thing" that participates in series/parallel networks will be referred to as a "component."

Each component connected in series travels the same "electrical path" and carries the same amount of current—equal to the network's current—through it.

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Which type of thermal energy transfer does a foil wrapping reduce the most? O A. Conduction O B. Translation O C. Radiation O D. Convection​

Answers

The foil reduces radiation the most in terms of thermal energy transfer. Thermal energy transfer is the movement of heat from one place to another. The four types of thermal energy transfer are radiation, conduction, convection, and advection. The correct answer is option OC.

Foil wrapping reduces radiation as the most type of thermal energy transfer. Thermal energy transfer is the movement of energy from one place to another. There are four types of thermal energy transfer: conduction, convection, radiation, and advection. The foil wrapping reduces radiation the most. When there is a foil wrapped around food, the foil traps the heat inside the food, which reduces the radiation energy transfer. Radiation is the heat transfer that occurs in the form of electromagnetic waves. It requires no matter to move, which is why it can occur in the vacuum of space. Radiation transfer can be absorbed, transmitted, or reflected. Therefore, the correct answer is option OC.

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A child’s toy arrow is launched horizontally from a bow at a speed of 8 m/s from a second story window 4 meters above the ground, and the sticks in a pile of sand.

A. How far away is the pile of sand?

B. What were the horizontal and vertical speeds of the arrow when it hits the sand?

C. What angle does the arrow make with the ground when it sticks in the sand?

Answers

First find the time it takes to hit the sand t
using s=1/2 g t^2
t^2= 8/9.8= 0.82 seconds
This means the sand was s = 8 * 0.82 = 6.5m away
The horizontal speed stays constant at 8 m/s
The vertical speed =.82 * 9.8 = 8.0 m/s
As the two velocities are equal the angle must be 45 degrees to the horizontal

Help Plsss
Which of the following objects are subject to the law of universal gravitation? (circle all that apply)
a. Satellites
b. Water
c. Frogs
d. Stars

Answers

On the Newtonian theory of gravity, gravitation affects anything with mass. Assuming that none of the answer choices is the only thing that exists in the universe, all of the answer choices are subject to the law of universal gravitation (hence “universal”).

Satellites, water, frogs, and stars all have mass as they are all composed of matter. Thus, all four answer choices should be circled.

An object traveling at a constant velocity has no net force. True or False

Answers

The answer is False

Hope this helps

A 350 kg motorcycle moves with a velocity of 30 m/s. What is its kinetic energy?
10500 Joules
c. 31500 Joules
b. 157500 Joules
d. 900 Joules

Answers

Answer:

C 31500

Explanation:

1/2mv*2=KE

k.e= 350× (30)*2

=350×900

k.e= 31500

It is d because you have to do 300 - 50 then take of the zero for 30.After that do 3x300 and you get 900

What makes an electric charge?

Answers

Answer:

Most electric charge is carried by the electrons and protons within an atom. Conversely, two protons repel each other, as do two electrons. Advertisement. Protons and electrons create electric fields, which exert a force called the Coulomb force, which radiates outward in all directions.

It’s carried by electrons and protons within an atom. Google them answers

The density of water is 1.00 g/cm3. The density of ethanol is 0.80 g/cm3. What is the volume of ethanol, in cm3 that has the same mass as 100 cm3 of water?

Answers

Explanation:

Given that,

The density of water is 1 g/cm³

The density of ethanol is 0.8 g/cm³

We need to find the volume of the ethanol that has the same mass as 100 cm³ of water.

Density=mass/volume

For water,

[tex]d=\dfrac{m}{V}\\\\m=dV\\\\m=1\ g/cm^3\times 100\ cm^3\\\\m=100\ g[/tex]

For ethanol,

[tex]d=\dfrac{m}{V}\\\\V=\dfrac{m}{d}\\\\V=\dfrac{100\ g}{0.8\ g/cm^3}\\\\V=125\ cm^3[/tex]

Hence, 125 cm³ of ethanol has the same mass as 100 cm³ of water.

Answer:

1.00 g/cm3

Explanation:

For every ______
there is an equal and opposite ______.
a. interaction & action b. action & reaction
c. action & interaction

Answers

It's Action and Reaction

1 a rectangular block of steel measures 4cm * 2cm* 1.5cm. its mass is 93 .6g

a) calculate the density of steel

b)steel is made up of almost entirely of atoms butt is denser than iron

suggest a reason for this

Answers

a) density = 93.6g/12cm³

= 7.8g/cm³

b) The reason is alloying

Explanation:

volume of the rectangular block = l× b × h

= (4 × 2 × 1.5)cm

= 12 cm³

density = mass/ volume

mass = 93.6g

volume = 12cm³

therefore,

density = 93.6g/12cm³

= 7.8g/cm³

b) °Steel is formed when alloying Iron with carbon.

°Alloying improves the physical properties of the metals and non-metals

A 0.142 kg baseball on a 0.8 meter table has 1.11 J of potential energy. It falls. How much kinetic
energy, in Joules, will it have on the way down when it reaches a height of 0.25 meters? Assume
mechanical energy is conserved.

Answers

Answer:

0.04544 J

Explanation:

KE= 1/2 the mass times V squared

KE=1/2(0.142) * (0.8)^2

KE= 0.071 * 0.64

KE=0.04544

HELP PLEASE!!! is this right? if not please tell me the right answer
write the equation for calculating relative velocity in one dimensional.

Answers

Answer:

Your answer is correct, Option B

How long does a dream typically last near the end of the sleep cycle, just before waking?
A.
about 5 minutes
B.
about 15 minutes
C.
about 30 minutes
D.
about 50 minutes
pleaseeeee hurryy

Answers

The answer is C. about 30 minutes

Answer:

C) about 30 minutes

Explanation:

edge 2023

Waves that make up the visible part of the electromagnetic spectrum have

Answers

Answer:

the visible part of the electromagnetic spectrum is somewhere between 2 and 10 1.24 eV and x rays 1 to 12 keV

Explanation:

the visible part of the electromagnetic spectrum is somewhere between 2 and 10 1.24 eV and x rays 1 to 12 keV

To study the dependant variable, a scientist must A. manipulate the independent variable B. have more than one control group C. manipulate the dependent variable D. have more than one experimental group ​

Answers

Answer:

A

Explanation:

Answer:

A. manipulate the independent variable

Mark has a ball. He tosses it into the air. In 3.7 seconds, it falls to the ground. Why did this happen to Mark's ball? Explain.

Answers

Mark's ball falls to the ground because there is a gravitational pull from Earth's core. There are chemicals and elements in the Earth that make this pull. Mark's ball does not stay in the air for this reason.

Hope this helps you!

Answer:

This happened because there is a gravitational pull.

Explanation:

What is the weight of a 4.5 kg mass on Earth?

Answers

Answer:

7.535×10^25 earth mass

Explanation:

for an approximate result,divide the mass value by 9.223e+18

the volume of a cube is 64 meter cubic. what is the length of the side of the cube?

Answers

16. each side length will be 16

Someone please help me!!!

Answers

Answer:

i don’t understand

Explanation:

Answer:

There's no question-

story on where there is a will there's a way

Answers

lol what i think i’ve heard of that story

Help please like I mentioned before I suck at physics

Answers

.20 m/s is the answer

Answer:

.20 m/s

Explanation:

hope it helps

2. Kymel is competing to see who is the fastest runner on the football team. Kymel uns
from rest to a speed of 4 m/s when he reaches the 20 meter mark in just 2 minutes.
What was Kymel's acceleration during the run?
a. 2 m/s2
b. 30 m/s2
c. 0.5 m/s2
d. 0.03 m/s2
PsX

Answers

Answer:

3

Explanation:

I just really need points man sorry

Alan travels 100 km in 5hrs. Find his average speed in km/h​

Answers

25 km/h hope this helps

Answer:

The answer is 20 km/hr

Explanation:

The average speed of an object given the time and distance covered can be found by using the formula

[tex]a = \frac{d}{t} \\ [/tex]

where

d is the distance

t is the time

From the question

d = 100 km

t = 5 hrs

We have

[tex]a = \frac{100}{5} \\ [/tex]

We have the final answer as

20 km/hr

Hope this helps you

Define Fundamental unit and Derived Unit

Answers

Fundamental can not be broken down to anything simpler ( Kg, m , s, etc)

Derived can be broken down to simpler, fundamental units

HELP PLEASE!
write the equation for calculating relative velocity in one dimensional.

Answers

Anwer:

Key Equations

Position Vector: `n r (t) = (t)^j+y

Total acceleration: `n a = `n aC

+ `n aT

Position Vector in frame S is the position Vector in frame S` plus the vector from the origin of S to the origin of S`: `n rPS = `n rPS`

+ `n rS`S

Relative velocity equation connecting two references frame: `n vPS = `n vPS`

+ `n vS`S

answer these questions plz​

Answers

1. The property of a conductor by virtue of which it posses the flow of electric current through it is called resistance.

2. The resistance of a conductor depends on the cross sectional area of the conductor and it's resistivity.

3.This id due to the fact that the resistance of a wire is inversely proportional to the square of its diameter.

4.Due to at high temperatures , the alloy donot oxidize. Alloy doesn't melt readily and get deformed.

How many hours would it take a plane to fly 1,500 miles if it was moving at a constant speed of 400 miles/hour.

Answers

It would take 3 hours and 45 minutes

It would take 3 hours and 45 minutes, for a plane to fly 1,500 miles if it was moving at a constant speed of 400 miles/hour.

Calculation

Round off 3.75 to the nearest one to give the hour value i.e., 3.The minutes are obtained by multiplying the fractional portion of the decimal value by 60, or 0.75 x 60 = 45.we have 3 hours and 45 minutes.What is speed?The distance traveled in a unit of time is called speed. It refers to a thing's rate of movement.This scalar quantity known as speed is the velocity vector's magnitude, It has no clear direction.A faster rate of movement is indicated by a higher speed. It is travelling more slowly if the speed is lower. It has zero speed if it isn't moving at all.The formula: can be used to determine the constant velocity of an object traveling straight forward.r = d / t

where,

r stands for rate or speed (sometimes denoted as v, for velocity)

d is the traveled distance.

t is the amount of time needed to finish the movement.

The average speed of an object over a period of time is given by this equation. We can see the object's average speed here, however at some moments over the time frame, it may have been moving faster or slower.As the time interval gets closer to zero, the maximum average speed is reached. The speed at that moment is what you see when you look at a speedometer in an automobile. While you may have briefly reached a speed of 60 mph, your average speed over the course of 10 minutes could have been much higher or much lower.M/s is the SI unit of speed (meters per second). Miles per hour or kilometers per hour are the most widely used units of speed in everyday life. A typical speed at sea is in knots, or nautical miles per hour.

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Calculate the volume of the following: (V=lwh)
A rectangular prism that is 10.0cm long, 4.0 cm wide, and 2.0 cm high.

Answers

Answer:

V= 80 cm^3

Explanation:

V= 10 * 4* 2

V= 80 cm^3

True or False? Mechanical waves do NOT need a medium to travel through.

Answers

Answer:

True

Explanation:

Mechanical waves require a medium in order to transport their energy from one location to another.

what is the average velocity of a car that travels 30 kilometers due west in 0.50 hour

Answers

Divide the distance traveled (0.30 km) by the travel time (0.50 hrs) and get the speed in km/hr. The direction is due west. 60 km/hr west

The average velocity of a car that travels 30 kilometers due west in 0.50 hour - 60 km/hour west.

Average velocity is the displacement of an object with the time change. To find the average speed of an object we divide the distance travelled by the time elapsed.

Velocity is a vector quantity and average velocity can be found by dividing displacement by time.Average velocity is defined as the change in position or displacement (∆x) divided by the time intervals (∆t) in which the displacement occurs

Average velocity = ∆x/∆t

Then,

average velocity = 30/0.5

= 300/5

= 60

Thus, the correct answer would be - 60 km/hour west.

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