SuperCoaching AE/JE by Testbook
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A body weighs W on Earth. Its weight on a planet with half Earth's radius and double its mass is:
Anonymous Quiz
16%
W
51%
2W
26%
4W
7%
8W
If f(x) = x^2 + 1, then f'(2) is:
Anonymous Quiz
10%
2
21%
3
35%
4
34%
5
2
Which shows highest molar conductivity in solution?
Anonymous Quiz
18%
[Co(NH3)3Cl3]
44%
[Co(NH3)6]Cl3
33%
[Co(NH3)5Cl]Cl2
5%
[Co(NH3)4Cl2]Cl
👎2
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If f(x)+f(1/x)=f(x)f(1/x), f(3)=4, then f(4) is:
Anonymous Quiz
34%
7/3
33%
4
23%
1
9%
3
1
A ball collides elastically. Which quantity is conserved?
Anonymous Quiz
27%
Kinetic energy only.
15%
Momentum only.
52%
Both KE & momentum.
6%
Neither KE nor momentum.
A ball bounces to 81% of its initial height. % of energy lost per bounce?
Anonymous Quiz
23%
9
51%
19
14%
10
12%
81