If the total kinetic energy of the ball is 1.6 J, what is the speed of the center of mass of the ball?
If the total kinetic energy of the ball is 1.6 J, what is the speed of...
Part a) What is the kinetic energy of a 1.6 g particle with a speed of 0.800c? Express your answer in joules. Part b) What is the rest energy of a 1.6 g particle with a speed of 0.800c? Express your answer in joules. Part c) What is the total energy of a 1.6 g particle with a speed of 0.800c? Express your answer in joules to two significant figures.
At what speed is a particle's kinetic energy 1.6 times greater than its rest energy?
what is the kinetic energy in J of a 60.0 g tennis ball approaching a tennis racket at 20.0 m/s
If the kinetic energy of an electron is 3.9e-18 J, what is the speed of the electron? (You can use the approximate (nonrelativistic) formula here.) m/s V =
A billiards ball moving at speed v collides elastically with an identical, stationary ball. Kinetic energy is conserved in the collision. After the collision, the first ball heads off at an angle theta relative to its original direction and at a speed v/2 . What is the speed of the second ball?
11. An object has kinetic energy of 196 J. If its speed is 7 m/s, what is its mass? A) 8 B) 56 C) 21.16601 D) 4.8
A 0.3-kg ball has a velocity of 42 m/s. What is the kinetic energy of the ball? The kinetic energy of the ball is _____ J.
The kinetic energy of a proton is 80% of its total energy. What isthe speed of the proton? The answer is 0.98c, please show how to solve it. Thank you!
(1) A moving object has a kinetic energy of 119 J and a momentum with magnitude of 28.0 kg·m/s. (a) Determine the mass of the object. ______ kg (b) Determine the speed of the object. ______m/s (2) A 5.1 g dart is fired into a block of wood with a mass of 24.2 g. The wood block is initially at rest on a 1.6 m tall post. After the collision, the wood block and dart land 3.4 m from the...
A.) An isolated system has its kinetic energy decrease by 10 J while its potential energy increases by 5 J. What is the change in the system's internal energy (in J)? B.) A 2-kg ball is dropped from a height of 2 m. What is the change in the kinetic energy of the ball (in J) as it travels through this distance to the floor?