If a force of 40N is applied for 0.2 sec to change the momentum of a volleyball, what is the impulse?

200 N*s

0.005 N*s

8 N*s

Does friction cause mechanical energy to change to thermal energy

How are step-up transformers used in the transmission of electrical energy? A They decrease the voltage before it leaves a power plant. B They increase the voltage for efficient long-distance transmission.

A flywheel with a moment of inertia of 1.00kg m^2 is rotating at 100 rpm. What torque is required to bring it to rest in 10.0 revolutions?

Determine the resultant displacement when a smelly dog chases a bunny rabbit 28 m East, 35 m at 69 degrees east of north, and 31 m at 41 degrees west

The term used to describe the quantity of matter that the body possesses

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

A ball is thrown straight up at 20 m. What is the balls velocity as it hits the ground?

Block 1 and Block 2 have the same mass, m, and are released from the top of two inclined planes of the same height making 30 degree and 60 degree angles with the horizontal direction, respectively.

Water waves change direction when they encounter water of different depths and begin to move at different wave speeds. This is called A. reflection B. constructive interference C. the Doppler effect D. refraction

Along with an alpha particle what other product is produced in the alpha decay of americium-241