SuperCoaching AE/JE by Testbook
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Which of these is NOT a state of matter?
Anonymous Quiz
6%
Solid
15%
Liquid
70%
Energy
8%
Gas
1
What is the value of π (pi) approximately?
Anonymous Quiz
78%
3.14
15%
2.71
7%
1.62
0%
4.20
Which molecule has the largest dipole moment?
Anonymous Quiz
16%
CO2
51%
H2O
22%
CH4
11%
BF3
A projectile's range is max at θ=45°. If launched at 20m/s, what's its range?
Anonymous Quiz
22%
20m
43%
40m
27%
80m
7%
160m
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A ball is thrown upwards. At its highest point, its acceleration is:
Anonymous Quiz
42%
Zero
22%
g upwards
33%
g downwards
3%
Undefined
A ball dropped from 80m rebounds to 20m. What % of its KE is lost in the impact?
Anonymous Quiz
17%
25%
43%
50%
35%
75%
5%
80%
1