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1. from the textbook. I got the answer to( a) and I know how to get (b) with the long method involving suvat equations as well as "e" but how come the working out on the solution bank simply shows they found b by simply multiplying 0.7 by the answer to a?
3. I tried to post a picture of the question idk why its refusing.
4. (Original post by sarah99630)
...
Because it's like a projectile. It drops from the height, hits the ground with speed , so it rebounds with speed , which means that will be the speed when it will hit the ground again, so , hence after the second bounce the coeff is applied again, so
5. (Original post by sarah99630)
from the textbook. I got the answer to( a) and I know how to get (b) with the long method involving suvat equations as well as "e" but how come the working out on the solution bank simply shows they found b by simply multiplying 0.7 by the answer to a?
Is this OCR?
6. (Original post by joyoustele)
Is this OCR?
edexcel.
7. (Original post by RDKGames)
Because it's like a projectile. It drops from the height, hits the ground with speed , so it rebounds with speed , which means that will be the speed when it will hit the ground again, so , hence after the second bounce the coeff is applied again, so
thank you so much for your help.

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