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A tennis player receives a shot with a tennis ball 0.0600 kilogram traveling horizontally 60.0 m/s and returns the shot with the ball traveling horizontally at 30.0 m/s in the opposite direction.
Find the impulse delivered to the tennis ball by the racket?
kg/m/s
Find what work does the racket do on the ball?
J
The electrons in the beam of a television tube have a kineticenergy of 2.36 x 10-15J. What is the acceleration of an electron due to this field component
A person walks the path shown below. The total trip consists of four straight-line paths. Path 1 is 90.0 m due east. Path 2 is 220.0 m due south. what is the person's resultant displacement
A high-energy pulsed laser emits a 1.5-ns-long pulse of average power 2.6×1011 W. The beam is 2.3×10?3 m in radius. Determine the rms value of the electric field
What is the fundamental minimum uncertainty in a dimension of the position of the electron in the previous problem if its momentum is simultaneously deliberate to a precision of plus or minus one percent (two percent total)?
the hanging object has a mass of m1 = 0.445 kg; the sliding block has a mass of m2 = 0.750 kg; and the pulley is a hollow cylinder with a mass of M = 0.350 kg, Find the angular speed of the pulley at the same moment
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4m/s2. Find the maximum height ymax reached by the rocket
charge is uniformly distributed around a ring of radius r and the resulting electric field is measured along the rings
A coil has 395 turns and self-inductance 3.25 mH. The current in the coil varies with time according to i = (680 mA) cos(?t/0.0250 s). What is the maximum emf induced in the coil
During a fun run a girl runs for 12 s moving 2.7 m/s. She then accelerates at 0.5 m/s^2 over the next 25 m. she then runs at her new speed for 10s. What distance did she cover during the entire period?
One long wire lies along an x axis and carries a current of 42 A in the positive x direction, What is the magnitude of the resulting magnetic field at the point (0, 2.0 m, 0)
Which statements about a neutral atom are correct?
It collides with and sticks to the spring, which is compressed by 2.50 cm in bringing the block to a momentary halt. Assuming air resistance is negligible; from what height (in cm) above compressed spring was the block dropped.
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