What's the derivative of f(x) = x²sin(x)?
Anonymous Quiz
15%
2xcos(x)
69%
2xsin(x) + x²cos(x)
12%
2cos(x) - x²sin(x)
3%
x²cos(x)
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Which process converts solid directly to gas?
Anonymous Quiz
25%
Condensation
49%
Sublimation
10%
Deposition
16%
Evaporation
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A ball is thrown upwards. At its highest point, what is its acceleration?
Anonymous Quiz
32%
9.8 m/s² downwards
38%
0 m/s²
24%
9.8 m/s² upwards
6%
Dependent on initial velocity
A ball dropped from height 'h' rebounds to h/2. What's the coefficient of restitution?
Anonymous Quiz
5%
1
52%
0.5
37%
√0.5
6%
0
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A projectile is launched at 45°. Range is R. Max height?
Anonymous Quiz
16%
R/4
61%
R/2
12%
R
12%
2R
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A car accelerates from rest at 2 m/s². How far has it traveled after 5 seconds?
Anonymous Quiz
35%
10m
40%
25m
20%
50m
5%
100m
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