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A particle falling under gravity is subject to a retarding force proportinal to it's velocity. Find it's position as a function of time, if it starts from rest, and show that it will eventuall reach a terminal velocity.
Mark and Clark are identical twins at the amusement park riding on the bumper cars. Both boys have the same mass, 85kg. The cars are identical with a mass of 120 kg.
a one pound weight is released 3 feet off the ground. at the same time a two pound weight is released 5 feet off the
A 70 cm long, 0.8 mm diameter steel guitar string must be tightened to a tension of 2000 N by turning the tuning screws. By how much is the string stretched
a potter;s wheel is a uniform disc of diameter 1m and a mass of 70kg. what min total of friction force must be applied to the disk
The diameter of a specific copper wire is 8.364 mm, Find the resistance of a 1.2 km length of such wire used for power transmission..
A car is initially 4.0km south of a gas station and is moving with a constant speed of 55km/h due north. How far are the vehicles from the gas station when they pass each other
An athlete is in an 800 m running sprint race. One lap around the track is 400 m. What is the athlete's average speed during this first lap of the race
A ball is launched from a height of 7.94 ft above the ground with a speed of 16.95 m/s at an angle of 34.48 degrees from the horizontal
A balloon contains 0.63 mol of helium. It rises, in maintaining a constant 280 K temperature, to an altitude where its volume has expanded three times. How much work is done by the gas during this isothermal expansion?
What should be the minimum initial speed of the dart so that combination makes a complete circular loop after the collision. find the minimum diameter of the raft that would prevent the diamond from being seen.
A 5.83 m long ladder with mass 23.1 kg rests against a smooth wall. Find the force of friction between the ladder and the ground
4.38 grams of diatomic oxygen (O2) in a 1.75 liter container creates a pressure of 315,000 Pascals. find the root-mean-square velocity of the molecules
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