A. frictional force
B. gravitational force
C. elastic force
D. centripetal force
A. electric field
B. conservative field
C. electromagnetic field
D. gravitational field
A. 45°
B. 90°
C. 180°
D. 0°
A. 1.44kw/m2
B. 1.4kw/m2
C. 1 kw/m2
D. none
A. sun
B. earth
C. both A and B
D. moon
A. power
B. work
C. impulse
D. torque
A. [ML2T-3]
B. [ML2T-2]
C. [ML2T3]
D. none of these
A. positive
B. negative
C. zero
D. none of these
A. heat energy to K.E
B. elastic P.E to K.E
C. elemical energy to elastic P.E
D. K.E to elastic P.E.
A. 1600 ms-1
B. 50.6 ms-1
C. 71.6 ms-1
D. 2263ms-1