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A ball of mass 6.2 kg and radius 8 cm rolls without slipping horizontally at 4.8 m/s and hits a spring attached to a wall. What is the maximum change in length of the spring if the spring constant k=42200N/m? (Assume the floor is frictionless)
Earth has a net charge that produces an electric field of approximately 150 N/C downward at its surface. find the magnitude and sign of the excess charge
Yo-Yo man releases a yo-yo from rest and allows it to drop, as he keeps the top end of the string stationary, What is the linear speed, v, of the yo-yo after it has dropped through a height 0.50hm
An electron is accelerated from rest through a uniform electric field of 4000 V/m. How much is the change of potential energy of this electron
Two balls of putty, each mass m, move in opposite directions toward each other with speeds of 0.95. What is the mass of this ball of putty
A 15-g sample of the candy is placed in a small aluminum container of mass 0.325 kg filled with oxygen. Determine the Calorie content of 69g of candy
A car (m = 1510 kg) is parked on a road that rises 18° above the horizontal. find the static frictional force that the ground exerts on the tire
A superball with a mass m = 61.6 g is dropped from a height h = 2.24 m. What is the momentum change of the ball during its collision with the floor
A 1.15-k? resistor and a 590-mH inductor are connected in series to a 1250-Hz generator with an rms voltage of 13.1V, What is the rms current in the circuit
Ball of mass "m" hangs on a string of length L` straight down from a cart of mass M standing on horizontal rails. The cart can move along the rails without friction. While the cart is at rest, the ball is given a horizontal velocity v0, v0
An airplane travels a distance 270 m down the runway before taking off. If it starts from rest, moves with a constant acceleration, what is its speed when it takes off
Find out the magnitude of the centripetal force.
A 240g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.150 s. If the total energy of the system is 3J.
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