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A body of mass 1.8 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/7 of its original speed.
(a) What is the mass of the other body?
(b) What is the speed of the two-body center of mass if the initial speed of the 1.8 kg body was 7.4 m/s?
A fuse in an electric circuit is a wire that is designed to melt, and thereby open the circuit, if the current exceeds a predetermined value. What diameter of cylindrical wire should be used to make a fuse
A sound wave travels in air toward the surface of a freshwater lake and enters into the water. The frequency of the sound does npt change when the sound enters the water. The wavelength of the sound is 2.49 m in the air, and the temperature of bot..
When doing a sound experiment, you recorded the sound of a single frequency sound when it was stationary. What frequency did you hear as your friend rode away from you
A computer hard disk starts from rest, then speeds up with an angular acceleration of 200.0 rad/s2 until it reaches a final angular speed of 7300.0 rpm. How long does it take for the disk to reach this angular speed
The proper length of one spaceship is five times that of another. The two spaceships are traveling in teh same direction, determine the speed of the other faster spaceship
q1. a 0.270 kg block on a vertical spring with a spring constant of 5.00 x 103 nm is pushed downward compressing the
Find out the acceleration of the crate if the applied force is 380 , the mass of the crate is 32 and the coefficient of kinetic friction is 0.42.
A satellite has a mass of 6079 kg, What would be the true weight of the satellite if it were at rest on the planet's surface
An artificial satellite circling the Earth completes each orbit in 142 minutes. Find the altitude of the satellite
compute the force and the total work required in each case. Find the tension in each of the cables.
You throw a ball straight down from an apartment balcony to the ground below. Find the height of the balcony
A student sets up a double slit interference experiment using light of wavelength λ. The separation between the slits is 25λ. What are the angles for the first three dark fringes
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