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A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown. The throw is made with an initial speed of 16 meter per second at an angle of 32.5 degree above the horizontal. Let upward be the positive y direction.
(a) Determine the y component of the ball velocity?
(b) Find the ball direction of motion just before it is caught?
q1. a steel paper clip is bent by a force of 10.2 n exerted on it through a distance of 4.85 cm. by how much does
Bridge builders often use rivets that are larger than the rivet hole to make the joint tighter. The rivet is cooled before it is put into the hole. A builder drills a whole 1.2230 cm in diameter for a steel rivet 1.2250 cm in diameter.
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An especially violent lightning bolt has an average current of 2.25x 103 A lasting 0.271 s. How much charge is delivered to the ground by the lightning bolt?
Light in a vacuum is incident on a transparent glass slab. Theangle of incidence is 32.0° . The slab is then immersed in a pool of liquid. What is the index of refraction of the liquid
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A fire truck siren produces a steady single tone of frequency 500 Hz when at rest. When the fire truck is at rest
One side of the roof of a building slopes up at 43.0°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. Determine the maximum height the rock reaches above the point where it was kicked
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A particle is moving along the curve x=2t2, y=t2-4t, z=3t-5 where t is time determine the component of its velocity and acceleration at time t=1 in the direction 2i-3j+2k
Positronium is a hydrogen atom with the proton replaced by a positron (like electron, but w/ positive charge). Calculate E1 for positronium.
A 8.59 kg sphere of radius 6.57 cm is at a depth of 2.92 km in seawater that has an average density of 1025 kg/m3. Define the (a) gauge pressure, (b) total pressure, and (c) corresponding total force compressing the sphere's surface?
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