1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A machine gun fires bullets of mass $$30 \mathrm{~g}$$ with velocity of $$1000 \mathrm{~m} / \mathrm{s}$$. The man holding the gun can exert a maximum force of $$300 \mathrm{~N}$$ on it. How many bullets can he fire per second at most?

A
3
B
6
C
10
D
9
2
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring balance reads $$49 \mathrm{~N}$$, when the lift is stationary. If the lift moves downward with an acceleration of $$5 \mathrm{~m} / \mathrm{s}^2$$, the reading of the spring balance will be $$\left(g=9.8 \mathrm{~m} / \mathrm{s}^2\right)$$

A
15 N
B
24 N
C
49 N
D
74 N
3
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The weight of a man in a lift moving upwards with an acceleration 'a' is 620 N. When the lift moves downwards with the same acceleration, his weight is found to be 340 N. The real weight of the man is

A
620 N
B
680 N
C
380 N
D
480 N
MHT CET Subjects
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Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12