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The Earth's distance from the sun varies from 1.465 x 108 kmto 1.518 x 108 kmduring the year. Take the Sun to be at rest.
(a) Determine the difference in the potential energy.
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(b) Determine the difference in the Earth's kinetic energy.
(c) Determine the difference in the total energy between theseextreme points.
A 10.0-cm long wire has a diameter of 0.1 mm and a resistivity of 4.0 ´ 10-7 ohm-cm, A 6.0-volt battery is connected to the resistance, What current exists in the circuit
The position function x(t) of a particle moving along an x axis is x = 4.5 - 4.5t2, with x in meters and t in seconds.
A 23 gram bullet traveling 230m/s penetrates a 2kg block of wood and emerge clearly at 170m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after bullet emerges.
Electrons in a photoelectric experiment emerge from an aluminum surface with a maximum kinetic energy of 1.3eV
Consider a too-small space station that consists of a 2.7m radius rotating sphere. A man standing inside is 1.9m tall and his feet are at 1g. What is the acceleration of his head.
An immersion heater has a resistance of 5.0 ohms while drawing a current of 3.0 amperes. How much electrical energy is delivered to the heater duing 200 seconds of operaion
An oscillating block-spring system has a mechanical energy of 2.78 J, an amplitude of 6.73 cm, and a maximum speed of 4.12 m/s. find the spring constant and the mass of the block
A small ball with mass m is attached to a string, which goes over a pulley and makes a small angle swing. find the string tension as a function of the angle
A train is traveling up a 5.0 degrees incline at a speed of 2.65 m/s when the last car breaks free and begins to coast without friction. How far did the last car travel before momentarily coming to rest
A conducting wire formed in the shape of a right triangle with base b = 38 cm and height h = 63 cm, What is the angular frequency of rotation
what speed will the dart leave the gun.
An ambulance with a siren emitting a whine at 1600 Hz overtakes and passes a cyclist pedaling a bike at 2.44 m/s. How fast is the ambulance moving
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