SuperCoaching AE/JE by Testbook
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A car accelerates from rest to 20 m/s in 5s. What's the distance covered, assuming constant acceleration?
Anonymous Quiz
5%
25m
29%
50m
63%
100m
3%
200m
What is the area of a circle with radius 5?
Anonymous Quiz
11%
10π
18%
25
70%
25π
1%
10
Which element has the lowest electronegativity?
Anonymous Quiz
34%
Fluorine
26%
Cesium
24%
Oxygen
16%
Chlorine
A pendulum's period doubles. By what factor did its length increase?
Anonymous Quiz
22%
1/4
52%
1/2
16%
2
9%
4
1
A ball dropped from a height 'h' rebounds to h/2. The coefficient of restitution is:
Anonymous Quiz
23%
1/2
29%
√2
42%
1/√2
6%
1/4
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2
A ball thrown upwards reaches max height in 2s. What's its initial velocity?
Anonymous Quiz
28%
9.8 m/s
48%
19.6 m/s
21%
4.9 m/s
3%
39.2 m/s