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A 2.5-kg block is attached to a spring with k=100 N/m and compress it with a distance of 0.40 m. The speed of the block is 5.0 m/s at that moment. What is the mechanical energy of the block?
An elastic cord is 65 cm long while a weight of 56 N hangs from it and is 82 cm long while a weight of 84 N hangs from it. What is the spring constant of this elastic cord.
Discover the horizontal and vertical displacement
A car travelling at 25.0 m/s runs out of gas while travelling up a 33.0 degree slope. How far up the hill would it coast before starting to roll back down.
You are on the Turkish Twist, an amusement park ride with your back against the wall of a spinning vertical cylinder of radius 4.0 m, What is the minimum number of revolutions per minute necessary to prevent you from sliding down the wall
A 360 kg piano slides 3.1 m down a 25 degree incline and is kept from accelerating by A man who is pushing back on it parallel to the incline, Determine the work done on the piano by the man
assuming the weight is evenly distributed.On a hot day in Las Vegas, an oil trucker loaded 37000 L of fuel. He encountered cold weather on the way to Utah, where the temperature was 23K lower than Las Vegas.
A simple model considers a continent as a block (density ? 2800 kg/m3), estimate the height of the continent above the surrounding mantle rock
Two cars are traveling along a straight line in the same direction, the lead car at 25.2m/s and the other car at 31.0m/s. At the moment the cars are 41.9m apart, the lead driver applies the brakes, causing her car to have an acceleration of -2.07m..
A shopper pushes a cart 50 m south down one aisle and then turns 90° west and moves 28 m. He then makes another 90° turn and moves 11 m.
Find the energy, in joules, of one quantum of energy for an atomic oscillator in a block of aluminium.
The acceleration due to gravity on the Moon's surface is known to be about one-sixth the acceleration due to gravity on the Earth. find the mass of the Moon in terms of the mass of the Earth
During the late 19th and early 20th centuries, direct observations showed that a glacier in Switzerland flowed forward in the downhill direction while its snout (terminus) was retreating higher up the valley? Which of the following describes these..
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