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A girl kicks a ball from ground level. The initial velocity of the ball has an x component of 17 m/s and a y component of 10 m/s. What is the initial velocity of the ball What is the angle of the initial velocity relative to the horizontal direction What is the highest elevation reached by the ball What is the range of the ball.
How much heat does it take to enhance the temperature of 8.00 of an ideal monatomic gas from 22.0 to 61.0 if the gas is held at constant volume.
A high-voltage transmission line with a resistance of 0.335 ?/km carries a current of 1.45 kA, What fraction of the transmitted power does this loss represent
An electron and a proton are initially very far apart (effectively an infinite distance apart). which is the change in the electric potential energy
By analyzing a multiflash photograph of a golfer hitting a golf ball, one finds that the head of the club travels 47.0 cm in 0.0105 s, Find the approximate instantaneous speed of the club head at the instant of contact
A 0.50-kg mass is attached to a spring of spring constant 20 N/m along a horizontal, frictionless surface. What is the total energy of the system
The Mars rover was deployed on the surface of Mars in July 1997. At one point during its subsequent mission, How far was Mars from the from Earth at that time
q. a 2500-kg sport utility vehicle travelling at 92 kmh can be stopped in 0.25 s if it hits a concrete wall. assume a
A loaded ore car has a mass of 950 kg and rolls on rails with negligible friction. It starts from rest and is pulled up a mine shaft by a cable connected to a winch, What maximum power must the motor provide
q1. a 1500 w hair dryer is operated on a 160 v circuit for 5 minutes every day. if electricity costs 0.15kwha what is
A bullet of mass 5.2 g is fired horizontally into a 7.1 kg wooden block at rest on a horizontal surface. At what speed is the bullet fired
Billy has a bucket that has a mass of 150 g, in which he put 150 g of fresh water. He has tied 150-cm of string to the handle of the bucket.
A wave is described by y = 0.020 9 sin(kx - ?t), where k = 2.05 rad/m, ? = 3.67 rad/s, x and y are in meters, and t is in seconds, Determine the amplitude, wavelength, frequency and of the wave
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