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What force must be applied to push a carton weighing 310 N up a 16° incline, if the coefficient of kinetic friction is 0.41? Assume the force is applied parallel to the incline and the velocity is constant. (Enter the magnitude of the force.)
The K^0 particle has a mass of 497.7 MeV/c2. It decays into a p- and p+, each having mass 139.6 MeV/c2. Determine the kinetic energy of the other pion after the decay
A wave is moving along a string. The equation giving the displacement y of a point at coordinate x and at time t has the form y = 0.2cos(4pi(x)/5-20pi(t)), Calculate the frequency and the speed(m/s) of the wave
a golf ball rolls up a hill toward a miniature golf hole. assume that the direction toward the hole is positive. if the
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 21.5 m/s, What is the velocity of the end of the train as it leaves
A student standing on the ground throws a ball straight up. How long is the ball in the air before it hits the ground
a 3.8 kg block is accelerated from rest by a compressed spring of spring constant 650 N/m. What is the original compression distance of the spring
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the total time the blue car is moving
A simple camera lens with focal object length fO= 3 cm perfectly focuses the the image of an object on a photographic film located a distance 14 cm away from the lens. What is the new magnification
A 1382-kg car is moving westward with a speed of 21.1 m/s, Find the velocity of the center of mass of the car-truck system
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
What is an acceleration of the car
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