What is the difference between speed and velocity?

A) velocity describes speed with direction.

B) there is no difference.

C) Velocity describes direction with position.

D) Velocity is used in space, while speed is used on earth.

Consider a sphere and a cylinder of equal volume made of copper. Both the sphere and the cylinder are initially at the same temperature and are exposed to convection in the same environment. Which do you think will cool faster

Exits must be separated from the rest of the building by:

Calculate the frequency, in HZ, of a wave in a string traveling 1.25 m/s, with a wavelength of 0.50m

A soccer ball is kicked with a velocity of 8 m/s at an angle of 23°. what is the ball's acceleration in the vertical direction of the flies through the air?

As a result of advances in biomedical engineering, many athletes that might at one time have lost their ability to participate in their sports due to catastrophic injury now can pursue their sports again, even if not as professionals.

Which of the following is the best definition of an isotope? A. elements of the same kind with different numbers of neutrons B. elements of the same kind that have lost electrons C. elements of the same kind that have different electrical charges

Two cars approach each other; both cars are moving westward, one at 85 km/h, the other at 54 km/h. what is the magnitude of the velocity of the first car relative to (in the frame of reference of) the second car? answer in units of km/h.

What usually causes high concentration of minerals to form

The courtroom role that possesses the most discretion is?

What is the main purpose of a simple machine?