A car maintains a constant velocity of 100 km/hr for 10 seconds. During this interval its acceleration is

A) zero.

B) 10 km/hr.

C) 110 km/hr.

D) 1000 km/hr.

For a projectile, which of the following quantities are constant during the flight: x, y, vx, vy, v, ax, ay? Check all that apply. Check all that apply. a. x b. y c. vx d. vy e. v f. ax g. ay

Which best describes the purpose of a control sample? O to have more quantitative data to analyze at the end of the experiment O to have more qualitative data to analyze at the end of the experiment O to compare its results to those of a well-known

Compare the momentum of a semi truck moving 20 m/s and a bicycle moving 20 m/s

How does increasing an object's mass affect the object's weight if gravity does not change?

A 4.8 kg rock is initially at rest at the top of a cliff. assuming the rock falls into the sea at the foot of the cliff and that its kinetic energy is transferred entirely to the water, how high is the cliff if the temperature of 1.

Identify characteristics of objective personality tests. -self-report -scientific -paper-and-pencil -questions about behavior -objective -potentially biased answers Multiple Choice-Psychology

The Pony Express was a mail delivery system in the Old West that used a series of men on horseback to deliver mail from St. Joseph, MO to Sacramento, CA along a trail that was 2000 miles long.

In the virtual lab, calculations were made of the predicted diffraction angle, using the formula θ ≈ StartFraction lambda over L EndFraction.

What trends were seen in Mendeleev's periodic table?

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks