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An sub with a mass of 1800 kg is traveling eastbound at 17 m/swhile a compact car with mass of 900 kg is traveling westbound witha speed of 15 m/s the cars collide head-on becoming entangled.Find the speed of the entangled cars after the collisionFind the change invelocity of each carFind the change in the kinetic energy of the system consisting of both cars.
The blades in a blender rotate at a rate of 7300rpm. What is the angular acceleration as the blades slow down
Electrons are ejected from a certain metallic surface with speeds ranging up to 4.2 105 m/s when light with a wavelength of ? = 615 nm is used. What is the work function of the metal?
you are designing a diving bell to withstand the pressure of seawater at a depth of 350 m .part a what is the gauge
Mountaineers often use a rope to lower themselves down the face of a cliff (this is called rappelling). They do this with their body nearly horizontal, What tension does his rope need to support
question 1 a 0.49 copper rod with a mass of 0.18 carries a current of 13 in the positive x direction. let upward be the
q1. an airplane is flying with a velocity of 60.0 at an angle of 22.0 above the horizontal. when the plane is a
the sketch shows a conical pendulum. the ball swings in a circular path because of the string attached at the top. the
Suppose you walk 18 m straight East and then 26.5 m straight South. How far are you from your starting point in meters
A small light cylinder and a large heavy cylinder are released at the same time and roll down a ramp without slipping. Which one reaches the bottom first
one mol of aluminum at a uniform temp of 0c is placed in thermal contact with a 2nd mol of aluminum which initially is
A standing wave is set up by reflecting radio waves from a large, flat metal dish. What is the frequency of the radio waves
A 601 kg car stopped at an intersection is rear-ended by a 1420 kg truck moving with a speed of 11.5 m/s. what is the final speed of both vehicles after the collision
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