A child pulls a toy across the floor. Is the work done on the toy positive, negative, or zero?

A 0.5 kg air-hockey puck is initially at rest. What will its kinetic energy be after a net force of 0.4 N acts on it for a distance of 0.7 m?

What type of energy transformation would be an example of using a battery to power a handheld fan? a. kinetic b. mechanical c. electrical d. potential e. thermal f. electromagnetic g. chemical h. nuclear

A bag of potatoes has a mass of 2.5 kg. What is its approximate weight on Earth?

How can you use the volume of some quantity of a pure substance to calculate its mass

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. A. abyssal clay B. calcareous ooze C. coarse lithogenic sediment D. manganese nodule E.

What characteristic of a planet determines the acceleration due to gravity on it?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, position velocity, height height, velocity

You are operating a powerboat at night. You see green and white lights on another boat. What should you do?

How does Newton's second law apply to an "Egg Drop" experiment?

A 4.0-n puck is traveling at 3.0 m/s. it strikes an 8.0-n puck, which is stationary. the two pucks stick together. their common final speed is: