Q7. Which would have greater impact; a ball with mass m thrown with speed 20 mis or a ball with mass m/2 thrown at speed 40 m/s? Ball with mass m Ball with mass m/2 O Both have the same kinetic energy O Depends on the surface on which the balls are thrown

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Q7.
Which would have greater impact; a ball with mass m thrown with speed 20 m/s or a ball with mass m/2
thrown at speed 40 m/s?
Ball with massm
Ball with mass m/2
O Both have the same kinetic energy
O Depends on the surface on which the balls are thrown
Transcribed Image Text:Q7. Which would have greater impact; a ball with mass m thrown with speed 20 m/s or a ball with mass m/2 thrown at speed 40 m/s? Ball with massm Ball with mass m/2 O Both have the same kinetic energy O Depends on the surface on which the balls are thrown
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