A 1.2 kg block slides along a frictionless surface at 1.2 m/s. a second block, sliding at a faster 4.4 m/s, collides with the first from behind and sticks to it. the final velocity of the combined blocks is 3.2 m/s.

Just as the skydiver steps out of the helicopter Somos what do you start a stopwatch so the time is zero at the skydiver steps out of the plane what is the skydivers dour velocity at the instant just before starting to fall

In which direction will the box move? 3N 15 N 12 N 5 N A. to the right B. to the left C. downward and to the left upward and to the right

Ski lift carry people along 150 m cable up the side of a mountain. Riders are lifted a total of 75 m in elevation. What is the ideal mechanical advantage of the ski lift?

A dinosaur and a mammoth elephant are walking away from each other in Jurassic Park When the mammoth is at a distance that is twice the original distance, the gravitational force between them will:

What is the primary energy transformation that occurs when a match is lit? A. Electrical energy is transformed into heat and light. B. Chemical energy is transformed into heat and light. C. Chemical energy is transformed into electrical energy. D.

A central air conditioner uses 4.5 kilowatts. It runs for 10 hours over the course of a day. How much energy does the air conditioner use during that day?

Hich of the following needs is an addition to Maslow's original hierarchy and only appears in the eight-stage revised model

What color of light can plants "see"?

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?