SuperCoaching AE/JE by Testbook
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What is the area of a circle with radius 3?
Anonymous Quiz
12%
15%
9
68%
5%
What is the limit of (sin x)/x as x approaches 0?
Anonymous Quiz
7%
0
73%
1
17%
3%
-1
A ball thrown upwards has velocity 0 at its peak. What's its acceleration there?
Anonymous Quiz
47%
9.8 m/s² down
31%
0 m/s²
19%
9.8 m/s² up
3%
Depends on initial velocity
A photon's momentum doubles. Its energy:
Anonymous Quiz
14%
Halves
57%
Doubles
25%
Quadruples
4%
Remains constant
What's the area of a circle with radius 4?
Anonymous Quiz
13%
15%
16
68%
16π
5%
2