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A 45.3 g mass is attached to a horizontal spring with a spring constant of 14 N/m and released from rest with an amplitude of 37.2 cm. What is the velocity of the mass when it is halfway to the equilibrium position if the surface is frictionless?
What is the stopping distance of the car. What is the initial (horizontal) velocity of the ball.
A piece of wood of density of mass 5kg is 400 x 500 x 300mm thick. When it is floating water, how much of this thickness h is submerged, What is the weight of this substance
A thin, light wire is wrapped around the rim of a wheel, The wheel rotates without friction about a stationary horizontal axis that passes through the center of the wheel. what is the mass of the wheel
A soccer ball lying on the ground is kicked with an initial velocity of 10.0 m/s at an angle of 37 degrees above the horizontal
Find out the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.
The only force acting on a 2.7 kg canister that is moving in an xy plane has a magnitude of 2.7 N. The canister initially has a velocity of 3.0 m/s in the positive x direction, and some time later has a velocity of 7.4 m/s in the positive y direct..
Two wheels have the same mass and radius of 4.8 kg and 0.50 m, respectively. Find the net external torque that acts on each wheel
If the refractive index of air is 1.00029 and all the air is pumped out of the cell, how many fringe-pairs will shift by
A small metal bead, labelled A, has a charge of 29 nC. It is touched to metal bead B, initially neutral, so that the two beads share the 29 nC charge, but not of necessity evenly. When the two beads are then placed 5.0 {rm cm} apart, the force betwee..
You are rotating a 2.0kg rock in a vertical circle,using a very light string. Find the speeds of the rock at the highest and lowest position
A solid sphere and a solid cylinder with the same mass and radius roll down an inclined plane without slipping. Which one will reach the bottom of the incline first. Explain why. Assume friction is negligible for both.
A car drives straight off the edge of a cliff that is 58 m high. The police at scene of the accident observed that the point of impact is 121m from the base of cliff. How fast was the car traveling when it went over the cliff.
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