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As a tennis ball is struck, it departs from the racket horizontally by a speed of 29.0 m/s. The ball hits the court at a horizontal distance of 20.3 m from the racket. How far above the court is the tennis ball when it leaves the racket?
A C1=25 uF capacitor is charged to 4.0kV and then removed from the battery and connected to uncharged C2=45uF capacitor. which capacitor stores more energy and why
Two streams of air, one at 1 bar, 27C and velocity of 30 m/s and the other at 5 bar, 227C and 50 m/s velocity, Find the velocity of the stream issuing out of the nozzle
A sodium ion with mass 2.32×10−26 kg and charge+1.60×10−19 C is moving with velocity3.00×105 m/s in the positive x direction. Anidentical particle is moving with the same speed in the negativex direction, but displaced by +1.50 m in they direction
A water pipe having a 2.4 cm inside diameter carries water into the basement of a house at a speed of 0.95 m/s and a pressure of 174 kPa. What is the water pressure at the second floor
A 70·kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 37.0° above the horizontal. What is the total work done on the box by all forces
An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.50 m/s on a smooth, slippery surface. The 22.5-g arrow is shot with a speed of 35.0 m/s and passes through the target, which is stopped by the impact. Wh..
q1. a certain car battery with a 14.0 v emf has an initial charge of 195 abullh. assuming that the potential across the
A force of 45 N acts on a ball for 0.2 sec If the ball is initially at rest, What is the final momentum of the ball
A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car
Two students decided to fling balloons filled with M1=68.1 grams ofice water at coeds who are sun batheing on the roof of a sororityhouse two blocks east of the physics bulding. Calculate the mass of the lead sphere
A gun is fired vertically into a 2.00 kg block of wood at rest straight above it. If the bullet has a mass of 21.0 g and a speed of 198 m/s, how high would the block rise into the air after the bullet becomes embedded in it.
A loop of diameter d = 10 cm, carrying a current I = 0.2 A is placed inside a magnetic field = 0.3 T. Calculate the magnitude of the torque on the loop
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