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a frictionless roller coaster car of mass m tops the first hill with speed v0 at height h. What is the speed of the car at
(a) point A,
(b) point B, and
(c) point C?
(d) How high will the car go on the last hill, which is too high for it to cross? State your answers in terms of the given variables and g.
Suppose one gallon of gasoline produces 1.1 x 108 J of energy, and this energy is sufficient to operate a car for twenty miles. how many miles could the car go with that energy
Consider the driven, damped harmonic oscillaror discussed in Section 13-8. Calculate the power dissipated by the damping force
A 0.165 kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.81 m/s. Find the final velocity (magnitude and direction) of each glider
Two cars of equal mass collide at right angles to each other in an intersection. Which car had the greater velocity before the collision
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 7.30 x 10^11 m apart. What is the mass of the smaller star
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.13 m2, what is the percentage lost by the window
The gravitational force exerted on a baseball is 2.11 N down. A pitcher throws the ball horizontally with velocity 15.0 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 174 ms. The ball starts from rest.
A 15.0 kg box is released on a 30 degree incline and accelerates down the incline at 0.30 m/s squared. Find the frictional force impeding its motion
A uniform ladder of length L and weight w is leaning against a vertical wall. determine the smallest angle the ladder can make with the floor without slipping
A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 9.0m from the takeoff point. What is the Kangaroos horizontal speed
On the TV show Top Gear's Africa special this season, the three hosts decided to build a raft out of wood, How think did the raft need to be
A .30-06 rifle fires a bullet with a mass of 10 g at a velocity of 800 m/s. If the rifle has a mass of 4 kg, what is its recoil speed
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