Science Questions

A particle has an initial velocity of 3i + 4j and an acceleration of 0.4i + 0.3j. Its speed after 10s is:

Which of the following physical quantities is a scalar quantity?

What is the SI unit of acceleration?

The shortest distance between the initial and final position of a moving body is known as:

If an object moves in a circular path with constant speed, its motion is called:

A body at rest is said to have a velocity of:

The rate of change of displacement is called:

Negative acceleration is also known as:

Identify the formula for the third equation of motion.

An object covers equal distances in equal intervals of time. This is called:

Which instrument is used to measure the instantaneous speed of a vehicle?

In a distance-time graph, a straight line parallel to the time axis indicates:

Which of these represents acceleration?

A man walks 3 meters North and then 4 meters East. What is his total distance?

When a body is thrown vertically upwards, what is its velocity at the highest point?

The Odometer of a car measures:

What does the slope of a velocity-time graph represent?

Which of the following remains constant in uniform circular motion?

If a body travels with a uniform velocity, its acceleration is:

A physical quantity that has both magnitude and direction is called: