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One 3.5 kilogram paint bucket is hanging by a mass less cord from another 3.5 kilogram paint bucket, also hanging by a mass less cord.
If the two buckets are pulled upward with an acceleration of 1.50 m/s2 by the upper cord, evaluate the tension in each cord.
A spaceship is flying directly away from Earth at a speed of 0.730c, and the captain's family at home on Earth broadcasts their well wishes on the Family Radio System frequency of 462.5625 Mhz.
if oxygen molecules are more massive than the nitrogen molecules, is the rms speed of the O2 molecules greater than, less than, or euqls to rms speed of the n2 molecules.
While sliding across a horizontal surface (with a uniform coefficient of friction across the entire surface), Find how does the change in energy in the first 10 sec compare to the change in energy in the last 10 sec
A drag racer starts her car from rest and accelerates at 10 m/s for the entire distance of 400m. What is the speed of the race car at the end of the run
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 11.0 s. Ignore air resistance. compute the average mechanical power output of the engine
A 385-kg cannon, sliding freely on a frictionless horizontal plane at a speed of 7.13 m/s, shoots a 13.5-kg cannonball at an angle of 53.3° above the horizontal. What is the velocity of the ball relative to the cannon
If the net work done on an object is zero, what can you determine about the object's kinetic energy?
a man and a boy are carrying a uniform wooden beam that is 8 m long and weighs 900 n. the boy lifts at one end. at
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 26.0m. what is the magnitude of the force that the shopper exerts
Estimate the number of breaths taken by a human being during an average lifetime
A 249.0 kg block of ice at 0*C is placed in a large lake. The temperature of the lake is just slightly higher than 0*C, and the ice melts. What is the entropy change of the ice
question1a traffic light weighing 1.20 x 102 n hangs from a vertical cable tied to two other cables that are fastened
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