What are the two forces that keep a pendulum swinging?

For a constant voltage, increasing the resistance will cause the current to decrease. true or false

Which statement is equivalent to newtons first law

A ball is thrown upward at a velocity of 19.6 m/s. What is its velocity after 3.0, assuming negligible air resistance?

Two pulleys, one with radius 2 inches and one with radius 9 inches , are connected by a belt. If the 2-inch pulley is caused to rotate at 5 revolutions per minute , determine the revolutions per minute of the 9 dash inch pulley.

A rubber balloon is rubbed with a PVC pipe and the rubber balloon becomes positively charged. Why is this? a) Because the rubber balloon gained protons from the PVC pipe. b) Because the rubber balloon gained electrons from the PVC pipe.

The gun, mount, and train car of a railway had a total mass of 1.22 x 10^6 kg. The gun fired a projectile that was 80 cm in diameter and weighed 7502 kg. In the firing, the gun has been elevated 20 degrees above the horizontal.

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?

What is the relationship between matter and energy as it changes states of matter (phase changes?)

Television is becoming a more effective mass media outlet for advertising because so many more people own TV sets and have access to cable as well as satellite. A. True B. False

How to solve indices