Question

Assertion At highest point of a projectile, dot product of velocity and acceleration is zero.
Reason At highest point, velocity and acceleration are mutually perpendicular.
A. If both Asseration and Reason are correct and Reason is the correct explanation of Assertion
B. If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
C. If Assertion is true but Reason is false
D. If Assertion is false but Reason is true

Answer 1

Correct Answer - A
Velocity is horizontal and acceleration is vertical i.e., both are perpendicular to each other and hence, their dot product is zero.