Physics

jupiter has radius pf 11 x the radius of the eart and a mass that is 320x the mass of the earth the gravitational field strength on the surface of jupiter is GEarth =9.8ms^-2A 3Nkg^-1B 300 NG^-1C 26 NG^-1D 10 Nkg -1An object of mass m at the end of a staring if length r moves in a vertical circle at a concentration angle speed w what is tension in the sting when the object is at the bottom of the circleAn object of mass m love horizontal circle of radio ur with constant speed what is the rate at which works is down by the centripetal force
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the constant load p is applied to ball a as shown. as a result the system moves to the right on the smooth surface and during the process the spring stretches and contracts. what physical quantity is constant during the process?
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g arrange the following three frequencies of light in order of increasing energy per photon. a. 100 mhz b. 10 mhz c. 100 ghz
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the earth is approximately 8000 miles in diameter. i'm riding in a hot air balloon 1.5 miles above the surface of the earth. approximately how far away is the horizon?
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explain why an uncertainty relation arises naturally when we superpose waves with different frequencies.
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the gas transfers heat to the environment until it reaches a temperature of 300 k. b) what is the change in the internal energy of the gas(j)?
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A car rounds an unbanked curve of radius 80 m. If the coefficient of static friction between the road and car is 0.8, what is the maximum speed at which the car traverses the curve without slipping? V = _____ m/s
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a closely wound, circular coil with radius 2.20 cm has 780 turns. part a part complete what must the current in the coil be if the magnetic field at the center of the coil is 0.0760 t ? express your answer with the appropriate units. i
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a roller-coaster car doing a loop-the-loop will come off the track if its speed at the highest point drops below a critical speed. the condition that determines the critical speed is
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question 3 (3 points) a horizontal wire carries a large current. a second wire carrying a current in the same direction is suspended below it. can the current in the upper wire hold the lower wire in suspension against gravity? justify your answer.
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Explain how a book can have energy even if its not moving.
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what is the potential difference between two points in an electric field if 1 j of work is required to move 1 c of charge between the points
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I have no clue what im doing..If work = 100J and time = 20 seconds, what is power
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how strong an electric field is needed to accelerate electrons in an x-ray tube from rest to one-tenth the speed of light in a distance of 5.0 cm?
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If a 20-kilogram anvil is held 3 meters what is the potential energy?
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a boy holds a 40-n weight at arm's length for 10 s. his arm is 1.5 m above the ground. the work done by the force of the boy on the weight while he is holding it is
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explain using diagram how to burn a paper using concave mirror
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A bar magnet is falling through a loop of wire with constant velocity. The north pole enters first. As the south poleleaves the loop of wire, the induced current (as viewed from above) will be in which direction?a) is counterclockwise.b) is along the length of the magnetc) is zerod) is clockwise
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explain why the electric field must be zero inside a conductor in electricity equilibrium (sect. 24.6 of the textbook). do your measurements support this statement?
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Which type of engine has a wheel with several blades mounted on a shaft that rotate a shaft when hit with heated air at a high velocity?
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i) what is the weight of a 68-kg astronaut (a) on earth, (b) on the moon , (c) on mars , (d) in outer space traveling with constant velocity?
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a 77.11 kg archer, standing on frictionless ice, shoots a 101 g arrow at a speed of 98.89 m/s. what is the recoil speed of the archer?
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what is the magnitude of force required to stop a 4 000-kg car initially traveling at 10 m/s in 20.0 s
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when a battery , resistor, and uncharged capacitor are connceted in series, how does the charge of the capacitor changes as a function of time
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