MCQs || B21

A car accelerates from 20 to 25 m/s in 4 seconds as it passes a truck. What is its acceleration

Mph/s

The rate of change velocity

Vectors are not acting along the same line Pythagorean theorem.

same directions

Vectors acting a long the same line:

quantities that convey a magnitude and a direction.

quantities that have a magnitude (numerical size) and do not have a direction.

Displacement,acclaraion,force

is the speed in a particular direction.

When are the instantaneous and average speeds equal to each other?

When are the instantaneous and average speeds equal to each other?

As the time interval becomes shorter and shorter, we approach the

is the rate of change of distance from a reference point. and rate of movement

The larger the mass of an object, the greater its inertia

an object is basically a measure of how much matter it contains.

A mechanical stopwatch uses a balance wheel that rotates back and forth 10 times in 2 seconds. What is the period of the balance wheel?

the number of events per a given amount of time.

the amount of time between events.