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an 8.70 kg block slides with an initial speed of 1.66 m/s up aramp inclined at an angle of 27.4 degree with the horizontal.the coefficient of kinetic friction between the block and the rampis 0.62 use energy conservation to find the distane the block slides before coming to rest.
a child swings a mass on a string in a horizontal circle 1.2 meter off the ground. The string has a length of 0.6 meters, how far will the mass travel before it lands
A white billiard ball with mass mw = 1.49 kg is moving directly to the right with a speed of v = 3.06 m/s, What is the final total energy of the system
The pilot of an aircraft wishes to fly due west in a 47.7 km/h wind blowing toward the south. In what direction should the aircraft head
You've made the finals of the Science Olympics! As one of your tasks, you're given 1.5g of copper and asked to make a cylindrical wire, What length l will you choose for your wire
On a frictionless surface, a sliding box collides and sticks to a second identical box that is initially at rest. What percentage of the initial kinetic energy of the system
A 24 rifle bullet travelling 260 buries itself in a 3.10 pendulum hanging on a 2.9 long string, which makes the pendulum swing upward in an arc. Resolve the vertical and horizontal components of the pendulum's displacement.
Two indentical spaceships are travelling in the same direction. an observer on earth measure the first to have a speed of 0.80c, determine the speed of second spaceship
An 82.5 kg fullback moving east with aspeed of 5.4 m/s is tackled by a87.0 kg opponent running west at3.28 m/s, and the collision is perfectly inelastic. Calculate the decrease in kinetic energy during the collision.
How far does the object compress the spring if same experiment is performed on the moon, where g = 1.63 m/s2 and air resistance is neglected.
A board is 6 meters long. The center of mass is in the 2 meters from the left end. The board has a weight of 320 Newton's. How much force in Newtons is necessary to lift the right end while the other end stays on the ground.
When a 19.6 kg wheel with an angular speed of 2.20 rad/s is disconnected from a motor, a 0.238 N · m frictional torque slows the wheel to a stop. how long will it take for the wheel to come to rest
Two people are running towards each other. They start from rest 100 m apart. Find the position where they run into each other
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