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A softball of mass 0.220 kg that is moving with a speed of 5.5 m/s (in the positive direction) collides head-on and elastically with another ball initially at rest. Afterward the incoming softball bounces backward with a speed of 3.4 m/s.
(a) Calculate the velocity of the target ball after the collision.
m/s
(b) Calculate the mass of the target ball.
A 5.60 uF parallel-plate air capacitor has a plate separation of 4.00 mm and is charged to a potential difference of 500V . Calculate the energy density in the region between the plates, in units of J/m^3
An unknown mass of tin is heated to a temperature of 222 C. It is placed into 200 g of water which is in a 100 g copper cup initially at 10 C. What is the mass of the tin sample
A gymnast is performing a floor routine. In a tumbling run she spins through the air, How much time does this maneuver take
The objective lens of a certain refracting telescope has a diameter of 59.0 cm. find the minimum distance between two objects on the ground
A 1.90 × 102-kg sculpture hangs from a horizontal rod that serves as a pivot about which the sculpture can oscillate. How far is the pivot from the sculpture\'s center of mass
A truck can move up a road having a grade of 1.0-ft rise every 50-ft with a speed of 15 mi/h. how fast will the same truck move down the hill
Three positive charges are fixed in place. Q 1= +4.0 nC and is located at (0,2), Q2= +1.0 nC and is located at (0,-1), What is the electric potential at the origin
A 96 kg person stands on a scale in an elevator. What is the apparent weight when the elevator is accelerating upward with an acceleration of 1.80 m/s^2.
An intergalactic rock star bangs his drum every 1.70 s. How fast is the rock star moving relative to the earth
the distance between the object and the eyepiece of a compound microscope is 18 cm. what is the total magnification of the microscope
q1. a woman rides a carnival ferris wheel at radius 13 m completing 4.0 turns about its horizontal axis every minute.
Two parallel conductive plates of area 0.3m2 hold equal-but-opposite charges of magnitude 30?C on either side. calculate the electric field between the plates
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