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A 9080-kg car is travelling at 26.8 m/s when the driver decides to exit the freeway by going up a ramp. After coasting 404 m along the exit ramp the car\'s speed is 12.6 m/s, and it is h = 10.7 m above the freeway. What is the magnitude of the average drag force exerted on the car?
A 1660-kg car travels 2.6 km up an incline at constant velocity. What is the net work done on the car
An object glides on a horizontal tabletop with a coefficient of kinetic friction of 0.45. If its initial velocity is 5.5 m/s, how long does it take for the object to come to rest
a nylon rope of length 25.0 is under a tension of 1.30 x 10^4 N. The total mass of this rope is 2.30 kg. how long does it take to reach the other end
A 67kg man's arm, including the hand, can be modeled as a 70cm -long uniform cylinder with a mass of 3.5kg. by how much does he raise his center of gravity
In a hydraulic system a boy of mass m is standing on one of the movable positions that is a disc of radius R, what is the pressure in the hydraulic fluid
Huygens' principle (first described by the Dutch scientist Christiaan Huygens in 1678) uses geometry to determine the shape of a wavefront at a time.
A 30 kg launching machine fires a 250 gram projectile horizontally at 100 m/s. What was the momentum of the machine
The rate of flow of water through a horizontal pipe is 1.98 m3/min. Determine the speed of flow in m/s at a point
A car with a total mass of 1.57 103 kg has wheels of radius 32.5 cm and moment of inertia 0.875 kg · m2. Find the car's rotational energy when the car is moving at a speed of 21.0 m/s
A parallel-plate capacitor with circular plates of radius R is being discharged. What is the discharging current
A railroad train is traveling at 30.0 m/s in still air. What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and approaching the first
In the H atom the radius of orbit B is 16 times greater than the radius of orbit A. What is the total energy of the electron in orbit B
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