What is the speed of sound in dry air at 0°C?

The resistance of a liquid to flowing is its? a. pressure. b. temperature. c. viscosity. d. volume.

A large mass collides with a stationary, smaller mass. How will the masses behave if the collision is inelastic? They will collide and then separate. They will stick to each other and move together.

25. You are asked to find the area of a room that is 4.56 m long and 5.668 m wide. How many significant figures should you show in your answer? A. 5 B. 3 C. 7 D. 4

If the index of refraction is 2 the speed of light is ... times the speec of vacuum?

Which of the following types of stars had a greater initial mass? Blue main sequence Orange main sequence Supernova White dwarf

Which of the following is a vector quantity? A. 83 ounces of liquid B. 55 km/hr in a truck C. 15 seconds of travel D. 10 m/s down

Which of the following best describes the ultraviolet catastrophe of blackbody radiation? A. As energy is added to an object acting as a blackbody radiator, its emissions move to the ultraviolet part of the electromagnetic spectrum. B.

Is an engine-activated booster unit that reduces the effort required to apply the hydraulic brakes

A box is lowered using a rope. If the acceleration of the box, is 2.5 m/s2 (downward) and the tension in the rope is 31 N, what is the mass of the box (in kg) ?

On a very hot summer day, the rooms on the first floor of a house stay cooler than the rooms on the second. Which form of thermal energy flow causes this to occur? A) Conduction B) Convection C) Kinetic D) Radiation