physics

Say true if the statement is correct or false if it is incorrect. Scalars are quantities that have both magnitude and direction.

It is possible to add two vectors in the same way as adding scalars.

Density is defined as mass of an object per unit volume.

The direction of average acceleration is in the direction of average velocity.

A free falling object is any object moving freely under the influence of gravity alone.

Displacement is the difference between initial and final position of an object.

The elastic modulus for tensile stress is called young modulus.

In vector representation, the arrowhead represents the direction of the vector.

If two cars 10 km apart are traveling toward each other, one with a velocity of 30 m/s and the other is moving at 20 m/s. How long it takes for the two cars to pass each other?

If two vectors A and B have the same magnitude, then what is the minimum value of their sum?