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A bullet is shot from a gun to demonstrate projectile motion. The initial velocity v0 of the bullet is 64 m/s and it starts at an angle of 52° above the ground. (Note that air resistance can be neglected!) Use g = 9.8 m/s2 to find:
(a) The maximum height the bullet can reach: m
(b) The flight time of the bullet: s
(c) The range of the bullet: m
An automobile tire has a radius of 0.325 m, and its center moves forward with a linear speed of v = 24.8 m/s. Determine the angular speed of the wheel
A 160 km long electric power line made out of copper is installed during the Spring months at an average temperature of 10.7 °C. What is the change in the length of the cable on a -30.4 °C cold Winter day
question1an observer moving at a speed of 0.995c relative to a rod measures its length to be 2.00 m and sees its length
A top spinning at 4.00 rev/s comes to a stop in 64.0 seconds. Assume that the top slows down at a constant rate. How many revolutions does it make before coming to a stop
David is driving a steady 28.0m/s while he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David.
A rocket of mass 4.5 105 kg is in flight. Its thrust is directed at an angle of 61.0° above the horizontal, Find the magnitude and direction of the rockets acceleration
A baseball pitcher throws a baseball horizontally at a linear speed of 42.5 m/s (about 95 mi/h). find the tangential speed of a point on the "equator" of the baseball
A ceiling fan with 89 diameter blades is turning at 65. Presume the fan coasts to a stop 30 after being turned off. Throughout how many revolutions does the fan turn while stopping.
a manufacturer of fasteners uses a four die nut former to produce blanks and the piercer punch began to break down
Some rear view mirrors produce images of cars behind you that are smaller than they would be if the mirror were flat. What is the mirrors radius of curvature if cars 25.0 m away appear 0.33 times their normal size?
a hydrogen atom is in the n=15 state. In the Bohr model, how many electron wavelengths fit around this orbit
at what rate is the passenger train approaching the freight train.
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