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a 1200-kg truck moving at 20m/s to the right collides with a 1000-kg car moving at 25 m/s to the left immediately after the collision, the truck is traveling at 5 m/s to the right.
a) what is the speed and direction of the car immediately after the collision?
b) how much energy is lost in the collision?
A 12 kg runaway grocery cart runs into a spring with spring constant 240 N/m and compresses it by 60 cm. What was the speed of the cart just before it hit the spring?
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Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground when he slows down.
Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. A 60.0-W electric heating element is immersed in an insulated vessel containing 46.5 L of liquid nitrogen at its boiling point. How various kilograms of..
Ball 1, with a mass of 140 g and traveling at 12.0 m/s, collides head on with ball 2, which has a mass of 300 g and is initially at rest. What are the final velocities of each ball if the collision is perfectly elastic
Three solid spheres of lead, each of mass 9.8 kg, are located at three corners of a square with side lengths of 50 cm. determine the magnitude and direction of the acceleration of the smaller object when it is released
A cargo plane is flying horizontally at an altitude of 20.0 km with a speed of 888 km/h when a large crate falls out of the rear loading ramp. How far is the crate from the aircraft when the crate hits the ground
You are driving your car and the traffic light ahead turns red. You apply the brakes for 2.5s and the velocity decreases to +4.62 m/s. What is the cars deplacement
From another measurement, you have found that velocity of the jumper's center of mass has only a y component of v2=2.5 m/s as the jumper's feet leave the floor.
an 8.00kg point mass and a 14.5kg point mass are held in place 50.0 cm apart. Find the magnitude of the acceleration of the particle
LC oscillators have been used in circuits connected to loudspeakers to create some of the sounds of electronic music. which is in the audible range of frequencies
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