A rifle can shoot a 0.004 kg bullet at a speed of 998 m/s. Find the kinetic energy of the bullet.

Several students in the group made comments to the coach about the back pack. which student has the correct analysis of the forces and motion of the back pack?

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Infrared rays have a shorter wavelength than question 11 options: x-rays. ultraviolet rays. radio waves. gamma rays.