A pendulum of mass 0.8 kg has 20 joules of potential energy at the top of its path. It's kinetic energy at the bottom of its swing is:

A. 80J

B. 20J

C. 40J

D. 10J

A 3.5 kg book is sitting at rest on a table. what is the value of the normal force being exerted by the table on the book?

Two tiny beads are 25 cm apart with no other charges or fields present. Bead A carries 10 µC of charge and bead B carries 1 µC. Which one of the following statements is true about the magnitudes of the electric forces on these beads

How does the genetic material of the daughter cell compare to the gentic material of the parent cell?

An arrow is shot from a bow at an angle of 35 degrees above horizontal with an initial speed of 50 m/s what is the arrows horizontal x and y components?

Is there a difference in the buoyancies of diet can drinks versus regular can drinks?

12. Too much socializing in the workplace can

What magnetic field strength is needed in each magnet to steer protons around the ring with a speed of 4.5 * 107 m/s? Assume that the field is uniform inside the magnet, zero outside.

The parts of a longitudinal wave that are closet together?

If a basketball travels a distance of 4 meters in 5 seconds, what is its average speed? A. 4 meters / second B. 0.8 meters/second C. 1.2 meters/second D. 5 meters/second

Discuss the correlation or connection between stars with a higher mass and the amount of fuel they have to work with