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A 270-kg load is lifted 21.0 m vertically with an acceleration a=0.150 g by a single cable.
A) Determine the work done by gravity on the load.
B) Determine the final speed of the load assuming it started from rest.
A rod of length L0 = 3.85m and radius r = 2.83cm has one end attached to a wall and the other end is being compressed with a force of |F| = 98.5N. find the magnitude of the scalar tensile stress of the object
The position of a 0.30 kilogram object attached to a spring is described by the following equation: x = (0.23 m)cos(0.4t), Evaluate what the amplitude of the motion
A force of 250N acts on a mass of 50Kg for 8 seconds. If the mass is initially at rest, determine the acceleration, the final velocity and the displacement.
A new extra solar planet (outside our solar system) has been discovered. This planet orbits a star of mass 9.42 x 1030 kg with a period of 6.42 years. What is the semi-major axis of the planet's orbit
A fire truck siren produces a steady single tone of frequency 500 Hz when at rest. When the fire truck is at rest
A sample of isotope of 131 Iodine (half-life of 8.04 days) has activity of 5.8 mCi at the time of shipment. How much time has elapsed between the two measurements
a fly beats its wings at a frequency of 1200 Hz. if the expansion and contraction of the wing muscles of the fly exhibits simple harmonic motion, what is the time period of a single beat of the flys wings
A uniform horizontal beam 5.00 m long and weighing 320 N is attached to a wall by a pin connection tht allows the beam to rotate. How far out on the beam can the person stand without breaking the cable
A 1.0 gram balloon is filled with helium gas until it becomes a 20 centimeter diameter sphere. Obtain what maximum mass can be tied to the balloon
In frozen Minnesota the Winter Sports Carnival includes some unusual events. Since it is dangerous to run on ice, each runner runs on ice, With what speed does the crowd see the woman moving
An 80kg painter climbs a 2.45m ladder that is at an angle of 25 degrees with a vertical wall. what is the work done by gravity as the painter climbs the ladder
Calculate the mass difference in atomic mass units, between the helium nucleus and its constituent nucleons
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