1
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

For a particle moving in vertical circle, the total energy at different positions along the path [The motion is under gravity]

A
may increase or decrease.
B
decreases.
C
is conserved.
D
increases.
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the momentum of a body of mass ' $m$ ' is increased by $20 \%$ then its kinetic energy increases by

A
$44 \%$
B
$55 \%$
C
$66 \%$
D
$77 \%$
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A lead bullet moving with velocity ' V ' strikes a wall and stops. If $75 \%$ of its energy is converted into heat, then the increase in temperature is ( $\mathrm{s}=$ specific heat of lead, $\mathrm{J}=$ mechanical equivalent of heat)

A
$\frac{3 \mathrm{~V}^2}{8 \mathrm{Js}}$
B
$\frac{5 \mathrm{~V}^2}{8 \mathrm{Js}}$
C
$\frac{3 \mathrm{~V}^2}{4 \mathrm{Js}}$
D
$\frac{5 \mathrm{~V}^2}{4 \mathrm{Js}}$
4
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The potential energy of a long spring when it is stretched by 3 cm is ' $U$ '. If the spring is stretched by 9 cm , potential energy stored in it will be

A
3U
B
4U
C
5U
D
9U
MHT CET Subjects
EXAM MAP