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Find the acceleration of a forklift of mass 1400 kg pushed by a force of 2100 N that is opposed by a frictional force of 425 N.
an 1800 kg car is moving at 14 m/s slows to 8.0 m/s in 4.4 s. Use the impulse momentum theorem to find the magnitude of the force on the car
Find out the intensity if the frequency is increased to 2.90 kHz while constant displacement amplitude is maintained.
a rifle has the mass of 4.5 kg and it fires a bullet mass 10.0 at a muzzle speed of 820 m/s. What is the recoil speed as the bullet leaves the gun barrel
Blocks with masses of 4.0, 8.0, and 9.0 are lined up in a row on a frictionless table. All three are pushed forward by a 16 force applied to the 4.0 block. How much force does the 8.0 block exert on the 8.0 block.
What is the terminal speed for an 84.00 skier going down a 38.0 degree snow-covered slope on wooden skis = 0.06? Assume the skier is 1.70 m tall and 0.500 m wide.
A worker stands still on a roof sloped at an angle of 23° above the horizontal. He is prevented from slipping by a static frictional force of 540 N. Find out the mass of the worker.
An iron rod is heated by a welder's torch. Initially it glows a dull red, then a brighter orange, and finally very bright white. Discuss this sequence in terms of black-body radiation.
Suppose the temperature of 4.72 L of ideal gas drops from 351 K to 275 K. (a) If the volume remains constant and the initial pressure is atmospheric pressure, Find the number of moles of gas
One runner ran the 100-m dash in 11.9 s. Another runner came in secona at 12.4 s. determine the sepaaration between the two runners
A particular guitar string is supposed to vibrate at 203 Hz, other than it is measured to actually vibrate at 208 Hz. By what percentage must the tension in the string be changed to get the frequency to the correct value.
A betatron is a charged particle accelerator that works by generating an induced electric field to accelerate the charged particles. What is the amplitude of the oscillating electric field at a distance 0.62 m from the axis of the betatron
find the work done on the man by the gravitational force
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