1
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the shape of the graph between speed and kinetic energy of a body?

A
A straight line
B
A hyperbola
C
A parabola
D
Exponential
2
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

A quarter horse power motor runs at a speed of 600 rpm. Assuming 60% efficiency, the work done by the motor in one rotation is

A
7.46 J
B
74.6 J
C
111.9 J
D
11.19 J
3
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

A body of mass 8 kg, under the action of a force, is displaced according to the equation, $$s=\frac{t^2}{4}$$ m, where t is the time. Find the work done by the force in the first 4 s.

A
9 J
B
16 J
C
6 J
D
3 J
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