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A speedboat moving at 35.0 m/s approaches a no-wake buoy marker 100 m a head. The pilot slows the boat by a constant acceleration of-3.90 m/s2 by reducing the throttle?
How long does it take the boat to reach the buoy?
What is the velocity of the boat when it reaches the buoy?
A physics professor is pushed up a ramp inclined upward at an angle 33.0^\circ above the horizontal as he sits in his desk chair that slides on frictionless rollers. The combined mass of the professor and chair is 82.0 kg.
A 21.5 g bullet strikes a 0.650 kg block attached to a fixed horizontal spring whose spring stiffness constant is 7.30 x 10^3 N/m and sets it into vibration with an amplitude of 21.5 cm. What was the speed of bullet before impact if the bullet and bl..
Calculate each star's speed, and state whether it is moving toward or away from us.
The magnetic field produced by the solenoid in a magnetic resonance imaging (MRI) system designed for measurements on wholehuman bodies has a field strength of 7.81 T, and the current in thesolenoid is 3.68 x 102 A. What is the number of turnsper ..
A gravitron ride at a fair consists of a large cylinder of radius15.0m, spinning about its vertical axis of symmetry. how many revolutions per minute must the cylinder execute
A 6.0 m long, 12 kg ladder rests against a smooth vertical wall with bottom of the ladder 3.0 m from the wall. What is the force the wall exerts on the ladder
A parallel-plate air capacitor has a capacitance of 830 pF. The charge on each plate is 1.80 µC. What is the potential difference between the plates?
Suppose an airline allows a maximum of 32 kilogram for each suitcase a passenger brings along. Determine the weight of a 32 kilogram suitcase
Since the vehicles stick together after the collision and take the direction of the large truck (greater momentum), I guessed that the small car would have a greater change in kinetic energy.
An eagle is flying horizontally at 5.7 m/s with a fish in its claws. It accidentally drops the fish. (a) How much time passes before the fish's speed doubles? (b) How much additional time would be required for the speed to double again?
A large gate weighing 200 Newton is supported by hinges at the bottom and top, and is further supported by a wire. Calculate the vertical forces on the hinges
A projectile is thrown from a point 39.2m away from the foot of a building 19.6m high and just reaches the top horizontally. Find the velocity of projection and the angle of throw
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