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A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0 m, 4.1 m) while a constant force acts on it. The force has magnitude 2.0 N and is directed at a counterclockwise angle of 100° from the positive direction of the x axis. How much work is done by the force on the coin during the displacement?
If the barge can only be pushed 18 cm deeper into the water before water overflows to sink it, how many 400 kg horses can it carry.
A ball of mass 10.7 g with a speed of 27.1 m/s strikes a wall at an angle 24.0o and then rebounds with the same speed and angle. calculate the average force exerted by the ball on the wall
A car weighing 12 kN is driving due north at 30.0 m/s. After driving around a sharp curve, the car is moving east at 30.0 m/s. What is the change in momentum
A grinding wheel is in the form of a uniform solid disk of radius 6.99 cm and mass 2.02 kg. How long does the wheel take to reach its final operating speed
A spacecraft of 140 kg mass is in a circular orbit about the Earth at a height h = 3RE. What is the spacecraft's kinetic energy
A motorcycle, which has an initial linear speed of 9.1 m/s, decelerates to a speed of 2.0 m/s in 4.5 s, calculate the angular displacement (in rad) of each wheel
1 a solid disk r0.20 m m0.50 kg is suspended from the end of an l0.30m long rod m0.30kg crosssectional area of 2.0
An asteroid, whose mass is 1.5 x 10-4 times the mass of Earth, find the period of revolution of the asteroidin years
If the speed of a particle is increased by a factor of 10, by what factor is its momentum changed, By what factor is its kinetic energy changed
The current in a solenoid with 21 turns per centimeter is 0.45A, Find the magnitude of the net magnetic field a radial distance of 0.70 cm from the straight wire.
An automobile has a 24 Watt reading lamp in the ceiling of the car. If it is attached to the 12 Volt car battery, how much current flows through the bulb
A meter stick is supported on a fulcrum at the 39 cm mark. A 0.50 kg object is hung from the zero end of the meter stick, What is the mass of the meter stick
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