The acceleration of a body cannot be zero at a point where Question 3Answera.None of these b.The average velocity is positivec.The average velocity is negatived.The instantaneous velocity is positive but decreasinge.The instantaneous velocity is zero

In a two dimensional motion, instantaneous speed v0 is a positive constant. Then which of the following are necessarily true?a) the average velocity is not zero at any timeb) average acceleration must always vanishc) displacements in equal time intervals are equald) equal path lengths are traversed in equal intervals

Let we bar and bar denote the velocity and acceleration of a body respectively then option A can be non zero when we bar is zero option B A must be zero when we bar is zero option c a bar maybe 0 when we were is not equals to zero a bar must be zero where we bar is constant

The average velocity and the instantaneous velocity of an object will be the same if _______.Group of answer choicesThe object’s velocity is always positive.The object’s speed is zero.The object’s speed is constant.The object’s acceleration is constant.

hich of the following is true of a free-falling body?a. It moves with non-uniform motionb. It has zero velocityc. It has constant non-zero accelerationd. It has non-uniform acceleration

Which of the following situations is true and possible?a. If the velocity of a body is zero, then the acceleration can be non-zerob. A body moving at a constant velocity can have accelerationc. The magnitude of distance and displacement are equal in a circular motiond. All of the above