What does it mean when work is positive?

A. Velocity is greater than kinetic energy.

B. Kinetic energy is greater than velocity.

C. The environment did work on an object

D. an object did work on the environment

By what means (or force) can the atoms in compounds be separated? a. Physical c. Proximate b. Experimental d. Chemical

The list shows the results of six athletes competing in the long jump, which has a target distance of 20 feet.

The mass of Planet X is one-tenth that of the earth, and its diameter is one-half that of the earth. the acceleration due to gravity at the surface of Planet X is most nearly ...

How long did the 1992 Turkey earthquake lasted?

Rana writes a summary about a mass on a spring in simple harmonic motion as it moves upward from the equilibrium position toward the maximum positive displacement.

If the speed of an object decreases to one-half, what happens to its momentum? It doubles It remains the same It decreases to one half It decreases to one fourth

If a reaction has a rate constant of 3.7 x 10-3 s-1 at 25oC, and an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75oC?

Two sounds are played for you. The first has a frequency of 196 Hz. The second has a frequency of 392 Hz. Which sound will be "higher" to your ear? A) The First B) The Second C) They will sound the same

When is an object that has been dropped from a great height through the air closest to vein in a free fall? At it's terminal velocity < - - this one?

A 0.300-kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.200-kg puck moving initially along the x axis with a speed of 2.00 m/s. After the collision, the 0.200-kg puck has a speed of 1.00 m/s at an angle of? = 52.0