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A basketball player makes a jump shot. The 0.700-kg ball isreleased at a height of 1.80 m above the floor with a speed of 7.00m/s. The ball goes through the net 3.10 m above the floor at aspeed of 3.10 m/s. What is the work done on the ball by air resistance, a nonconservative force?
A spacecraft with a proper length of 250 m passes by an observer on the Earth. According to this observer, it takes 0.780 µs for the spacecraft to pass a fixed point. Determine the speed of the spacecraft as measured by the Earth-based observer. c
A 238 g particle is released from rest at point A inside a smooth hemispherical bowl of radius 32.5 cm.compute the gravitational potential energy at A relative to B.
You have an open rgan pipe and a closed organ pipe. The fundamental frequency of the open pipe is 300hz. The closed piped third harmonic is the same frequency as the open pipe second harmonic. What is the length of each pipe.
q1. a cannonball shot with the initial velocity of 129 ms at an angle of 36deg follows a parabolic path and hits a
An electron moving along the x axis has a position given by x = 12 te-t m, where t is in seconds. How far is the electron from the origin when it momentarily stops
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 434 N and F2 = 387 N. What is the resultant of these two forces
A person scuffing her feet on a wool rug on a dry day accumulates a net charge of -42 µC. How many excess electrons does she get, and by how much does her mass increase?
A proton is projected in the positive x direction into a region of uniform electric field = (-5.20E5) N/C at t = 0. The proton travels 6.20 cm as it comes to rest, Determine the initial speed of the proton
q1. you are driving home from school steadily at 80 for 150. it then begins to rain and you slow to 50. you arrive home
You are given a pair of Hemholtz coils, each with radius R = 12 cm, containing 140 turns of wire in each coil. Calculate the magnetic field produced in the center of the space between the coils
Consider a sample of diatomic ideal gas which is taken through the following cycle: A constant pressure process that doubles the volume of the gas, What is the efficiency of this cycle
A 0.350 kg air-track glider is attached to each end of the track by two coil springs. Find the x-coordinate of the glider at time t= 0.530T, where T is the period of the oscillation
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