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| 1. |
A CRICKET BALL OF MASS OF 70 G MOVING WITH A VELOCITY |
| Answer» TION:MASS of the ball=70 gInitial Velocity(u)=0.5 m/sFinal velocity(v)=0Change in momentum=m(v-u)=-70×0.5×10⁻³=0.035 kgm/sTime taken=0.5 s∴Force applied to STOP the ball=change in momemtum/time taken=0.07 N | |