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A 500 gram rubber ball is dropped from a height of 10 meter and under goes a perfectly elastic collision with the earth.
1) Find what is the earth velocity after the collision? Assume the earth was at rest just before the collision.
2) Compute how many years would it take the earth to move 1.0 mm at this speed?
A uniform electric field of magnitude 230 V/m is directed in the positive xdirection. A +15.0 µC charge moves from the origin to thepoint (x, y) = (20.0 cm, 50.0 cm). What is the change in the potential energyof the charge field system?
A stone is dropped from rest into a well. The sound of thesplash is heard exactly 2.20 s later. Find the depth of the well if the air temperature is 6.0°C
A slab of glass with an index of refraction of 1.55 is submerged in a liquid with an index of refraction of 1.25. Find the angle of refraction for the angle of incidence of 60°
A photographer in a helicopter ascending vertically at a constant rate of 12.5 m/s accidentally drops a camera out the window, How long will it take the camera to reach the ground
A 4.5 kg block is given an initial speed of 14 m/s up an incline plane of angle of 45. Calculate the maximum distance the block moves up the plane
Identical objects are located at the same distance from two spherical mirrors, A and B. Find the ratio fA/fB of the focal lengths of the mirrors
The magnetic flux through a circuit is reduced from 35 Tm^2 to 5 Tm^2 in 0.1s. The current induced in the circuit is 3.6 mA. What is the resistance to the circuit
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.170 .
A ball is thrown straight upward and returns to the thrower's hand after 2.70 s in the air. A second ballis thrown at an angle of 29.0° with the horizontal. At what speed must the second ball be thrown so that itreaches the same height as the one thr..
an air bubble has a volume of 1.20 cm3 when it is released by a submarine 115 m below the surface of a lake. what is
A transformer has 3,840 turns in the secondary. The inputvoltage is 110V, the output current is 6.5A. the input current is0.5A. Calculate the output voltage
A diving bell in the shape of a cylinder with a height of2.80 m is closed at the upper end andopen at the lower end. How high does sea water rise in the bell
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