A. its K.E is doubled
B. its acceleration is doubled
C. its P.E is doubled
D. its momentum is doubled
A. no formula
B. a formula mgh only
C. a formula
D. no general formula
A. Earth
B. Neptune
C. Jupiter
D. Moon
A. once
B. twice
C. four time
D. eight time
A. change in its K.E always
B. change in its P.E always
C. change in its K.E and change in its P.E
D. neither change in K.E and nor change in its P.E
A. displacement
B. acceleration
C. power
D. energy
A. 1 hp = 546 watts
B. 1 hp = 746 watts
C. 1 hp = 1000 watts
D. 1 hp = 946 watts
A. 3.5 x 103 J
B. 3.5 x 104 J
C. 3.5 x 106 J
D. 3.5 x 109 J
A. frictional force
B. gravitational force
C. elastic force
D. centripetal force
A. electric field
B. conservative field
C. electromagnetic field
D. gravitational field