Which of the following items involve a wedge?

Check all that apply.

A. A chisel

B. An axe

C. A knife.

D. A hairbrush

If you exert a force of 10.0 n to lift a box a distance of 0.9 m how much work do you do

A swimmer swims 3/5 the width of a river at one velocity, then swims the remainder of the river at half her initial velocity. What was the average speed across the river?

Resistors and reactors, for use over 600 volts, shall not be installed in close enough proximity to combustible materials to constitute a fire hazard and shall have a clearance of not less than ___ from combustible materials.

Features that describe motion of an object

All fires require oxygen () There is no oxygen in that room (T). Therefore, there is no fire in that room. A. valid, and Sound. B. valid, and Unsound. C. invalid and Sound D. invalid, and Unsound

What is the fundamental frequency of a particular medium?. a. the lowest frequency at which a standing wave is possible. b. the highest frequency at which s standing wave is possible

The distance from the inner core to the surface of the earth is about 5,200 kilometers. the large amount of material surrounding the inner core places tremendous pressure on it.

What type of wave is sound? longitudinal light surface transversal

What is the difference between meteors and meteorites?

The puzzle box is traditionally associated with the work of