If the speed of a car is halved, how does its kinetic energy change?

If the speed of a car is halved, how does its kinetic energy change?

Class 10 | ICSE | Physics | Selina | Work Energy

If the speed of a car is halved, how does its kinetic energy change?

Solutions:

If the speed is halved while the mass remains the same, the kinetic energy drops. Because kinetic energy is related to velocity squared, it is one-fourth.

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More Material

A …… lens is used to correct myopia and a ….. lens is used to correct hypermetropia.
A Concave, concave
B Convex, convex
C Convex, concave
D Concave, convex

Rate of reaction of any substance depends on
(A) active mass
(B) molecular weight
(C) atomic weight
(D) equivalent weight

Formula of oleum is
(A) $\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{7}$
(B) $\mathrm{H}_{2} \mathrm{SO}_{4}$
(C) $\mathrm{H}_{2} \mathrm{SO}_{3}$
(D) $\mathrm{H}_{2} \mathrm{SO}_{5}$

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