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Two different balls are rolled (without slipping) toward a common finish line. Their angular speeds are shown to the right. The first ball, which has a radius of 0.0638 m, is rolling along a conveyor belt which is moving at 1.44 m/s and starts out 9.47 m from the finish line. The second ball has a radius of 0.0508 m and is rolling along the stationary floor. If the second ball starts out 6.44 m from the finish line, how long does each ball take to reach the finish line?
What angular speed would the losing ball have needed to cross the finish line at the same time as the winning ball?
In molecular hydrogen, H2, two hydrogen atoms are bonded covalently by sharing two electrons. Determine the electric force acting on each proton
A railroad car of mass 3.0x10^4 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, what is the speed of the three coupled cars after the collision
Two astronauts, each having a mass M are connected by a length of rope of length d have a negligible mass. They are isolated in space, What is the final angular speed of the astronauts
A 4.89-g bullet is moving horizontally with a velocity of +345 m/s, where the sign + indicates that it is moving to the right. What is the velocity of the second block after the bullet imbeds itself
An AC generator supplies an rms voltage of 110 V at 50.0 Hz. What is the average power dissipated in the circuit
Rhea, one of Saturn's moons, has a radius of 765 km and an acceleration due to gravity of 0.278 m/s2 at its surface. Calculate its mass and average density.
The last piece has 4 times as much mass as each of the other pieces. Illustrate what is the magnitude of the velocity of the last piece?
What is the total force on the bottom of a swimming pool (20m by 10m), if the pool has an average depth of 1.50 m
A crate of 30.2- tools rests on a horizontal floor. You exert a regularly increasing horizontal push on it and observe that the crate just begins to move while your force exceeds 319. After that you must reduce your push to 227 to keep it moving at a..
A crate of mass 45.0 kg is being transported on the flatbed of a pickup truck. The truck accelerates forward on level ground. What is the maximum acceleration the truck can have
A force of 100 N is applied to a 50kg mass in the direction of motion for a distance of 6.0m, how much work is done by the varying force
A 10 kg dog is standing on scale in an accelerating elevator. If the scale reads 5 kg, what is the acceleration of the elevator
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