hit like ..
thanks
Q2. One car has twice the mass of a second car, but only 1/3 as much...
Q2. One car has twice the mass of a second car, but only 1/3 as much kinetic energy. When both cars increase their speed by 6 m/s they then have the same kinetic energy. What were the original speeds of the two cars?
Ch. 6, 4 The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 10 m/s , they then have the same kinetic energy. Part A What were the original speeds of the two cars? Express your answers using two significant figures separated by a comma.
5.24 Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 5.00 m/s, they then have the same kinetic the original speeds of the two cars
One bullet has twice the mass of a second bullet. If both are fired so that they have the same speed, which has more kinetic energy? What is the ratio of the kinetic energies of the two bullets? Options: - The one with the greatest mass has more kinetic energy but the reason for these energies cannot be predicted - the one with twice the mass has greater kinetic energy and the reason for these energies is equal 2. -...
A father racing his son has one-third the kinetic energy of the son, who has one-third the mass of the father. The father speeds up by 2.1 m/s and then has the same kinetic energy as the son. (a) What is the original speed of the father? m/s (b) What is the original speed of the son? m/s
25.1) Consider two identical cars travelling around a circular track. One car travels on an inside track and one on an outside track. Both cars complete a lap in the same amount of time. Which car has the highest kinetic energy? A) The outer car B) The inner car C) Both have the same KE 25.2) A solid disk and a flywheel (hoop) both have the same mass m, radius R, and angular velocity w. Which object has more kinetic...
A railroad car of mass 3.10 ✕ 104 kg moving at 3.40 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) What is the speed of the three coupled cars after the collision? (b) How much kinetic energy is lost in the collision?
A railroad car of mass 3.15 ✕ 104 kg moving at 2.75 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) What is the speed of the three coupled cars after the collision? (b) How much kinetic energy is lost in the collision?
A bumper car with mass m1 = 107 kg is moving to the right with a velocity of v1 = 4.6 m/s. A second bumper car with mass m2 = 98 kg is moving to the left with a velocity of v2 = -3.2 m/s. The two cars have an elastic collision. Assume the surface is frictionless. 1) What is the velocity of the center of mass of the system? m/s 2) What is the initial velocity of car 1...
A railroad car of mass 3.25e4 kg is moving at 3.25 m/s collides and couples with two couples railroad cars, each of the same mass as the single car and moving in the same direction at 1.20m/s. A) what is the speed of the three coupled cars after the collision? B) how much kinetic energy is lost in the collision?