A. zero almost
B. infinite almost
C. no prediction at all
D. may increase or decrease
A. We face sun and raindrops
B. The Sun remains behind us and we face raindrops
C. In light rainfall, we face Sun
D. The sky remains clear and the sun is at lower position in the sky
A. to smooth out the energy variation
B. to add more weight to engine to work it stable
C. to start engine
D. both A and B
A. mg
B. mg – ma
C. mg + ma
D. mg – ma
A. Each increase
B. Each decrease
C. Each remains the same
D. One increases whereas that in the other decreases
A. 1.024×103
B. 2 Raised to power 10
C. 0.000976
D. 1/0.00097
Applying newtons formula,
S= ut + (1/2)at^2
Let downwards direction be (-) be
, so
-59.4 = 19.5t – (1/2) 10t^2
By Sloving this you will get ,t= 6 sec