SuperCoaching AE/JE by Testbook
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- Rahul Mishra
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
What is the area of a circle with radius 5?
Anonymous Quiz
13%
10π
79%
25π
6%
3%
20π
1
Which has highest 1st ionization energy?
Anonymous Quiz
37%
Na
43%
Mg
13%
Al
8%
Si
1
What is the area of a circle with radius 3?
Anonymous Quiz
10%
77%
11%
2%
12π