A book sits at the top of a bookshelf is this question kinetic or potential energy

1. To describe the length of a classroom, a student should use what? A) centigrams B) centimeters C) kilometers D) meters 2.

Which is the order of microscopes, from greatest magnification to the least? scanning tunneling → transmission electron → compound light scanning tunneling → compound light → transmission electron transmission electron → scanning tunneling →

Which two factors does the power of a machine depend on? work and distance force and distance work and time time and distance

1380 kg car is moving due east with an initial speed of 27.0 m/s. after 8.00 s the car had showd dwn to 17.0 m/s. find the magnitude and direction of the net force that produces the deceleration

Determine the kinetic energy of a 1000kg roller coaster car that is moving with a speed of 20.0m/s

A runner makes one lap around a 200m track of 25s. What were the runners average speed and average velocity?

Which change occurs when an atom undergoes alpha decay?

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 8.44 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.

A moving small car has a head-on collision with a large stationary truck 7.3 times the mass of the car. Which statement is true about the direction of the car after the collision if the collision is elastic?

In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.0 cm. A second projectile causes the the pendulum to swing higher, to h2 = 5.5 cm.