Which substance has the highest specific heat? A. Soil B. Mud C. Sand D. Water

A baseball is thrown a distance of 20 meters what is its speed if it takes 0.5 seconds to cover the distance?

A sound system is designed to produce a 1.0W/m2 sound intensity over the surface of a hemisphere 20 m in radius. What acoustic power is needed from an array of speakers at the center of the sphere?

A wave has a wavelength of 45 meters and a period of 9.0 seconds. What is the frequency of the wave?

If an undamped spring-mass system with a mass that weighs 6 lb and a spring constant 1 lb/in is suddenly set in motion at t = 0 by an external force of 2 cos 7t lb, determine the position of the mass at any time.

A 1,560 kg car is accelerating at 1.30 m/s2. what net force acts on the car? 1,560 n 2,030 n 15,300 n 1.20 * 103 n

What is the dimension of n if force is given by the equation F=6pie rvn

A slanted vector has a magnitude of 41 N and is at an angle of 23 degrees north of east. What are the magnitude and direction of the horizontal and vertical components of this vector?

A wheel with rotational inertia 0.04 kg•m2 and radius 0.02 m is turning at the rate of 10 revolutions per second when a frictional torque is applied to stop it. How much work is done by the torque in stopping the wheel?

The process in which light travels through an object is called

What is the magnitude of the vector described below? "15 ft/s down" A. 15 ft/s B. Feet C. Feet per second D. Down