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A large crate is pulled along a horizontal path at a constant speed by a cable that is inclined at an angle of 20° with respect to the horizontal. The tension in the cable is 2.4×10^3N. The power the cable supplies is 1.0×10^3W. How far will the crate move in 10 seconds?
A pitcher throws a baseball vertically upward with an initial speed of 15.0 m/s, releasing the ball when it is 2.00 above the ground, How long is the ball in the air
An ocean liner leaves New York City and travels 18.0° north of east for 232 km. How far east and how far north has it gone? In other words, what are the magnitudes of components of the ship's displacement vector in the following directions.
Two stars are at rest 1.0×1014m apart. This is about 10 times the diameter of the solar system. What is the speed of each star at the moment of impact
a 0.40kg basketball is thrown horizontally against a board with a velocity of 20m/sec. If the ball rebounds with a speed of 15m/sec. What is the impulse of the ball
Air flows through the supersonic nozzle. The inlet conditions are 7 KPa and 420 degree C. The nozzle exit diameter is adjusted such that the exiting velocity is 700m/s. Calculate the exit temperature
A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. What is the person's mass
In a long solenoid, the density of the wire is 180 turns/cm. find the strength of the magnetic field within the solenoid
find out the initial velocity of the ball. How fast will the electron be moving when it is very far away.
Calculate the magnitude and direction of the transverse horizontal force acting on the train
Planet A and Planet B are in circular orbits around a distant star. Planet A is 4.5 times farther from the star than Planet B. What is the ratio of their speeds
The velocity of the wave traveling on a string is higher if you increase the length of the string (keeping the kind of string, and the tension of the string, unchanged)
What is the speed of the wave and draw a snapshot graph of this wave at t = 0 s.
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