Through which one of the following mediums is the velocity of a sound wave the greatest?

A. Water

B. Lead

C. Steel

D. Air

A stone fell from the top of a cliff into the ocean. In the air, it had an average speed of 161616 / text{m/s}m/sstart text, m, slash, s, end text.

When moving to a new apartment, you rent a truck and create a ramp with a 244 cm long piece of plywood. The top of the moving ramp lies on the edge of the truck bed at a height of 115 cm.

Which of the following is the correct definition of radiation? A. the electromagnetic radiation from the surface of an object which is due to the object's temperature B. the transmission of heat across matter C.

Technician A says that all FWD vehicles use adjustable front wheel bearings. Technician B says that most FWD vehicles use sealed non-adjustable front wheel bearings. Which technician is correct?

Suppose that a block is pulled 16 meters across a floor. What amount of work is done if the force used to drag the block is 22 N? A. 352 J B. 220 J C. 330 J D. 200J

Briefly describe why these searches suggest that star-like (our planet-like) objects and black holes cannot account for all the dark matter in the halo of our galaxy.

What two units of measurement are necessary for describing speed?

If 3,600 J of work is done in 3.0 s, what is the power? 0.00083 W 1,200 W 3,600 W 11,000 w

Julia rides her horse 12 miles in 45 minutes. What is her average speed in mi/min? Show Your Work.

What happens to the inertia of an object of its mass is decreased?