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Tems11 [23]
3 years ago
9

From the top of a vertical tower 248 m high , a stone is projected vertically downwards with a speed of 8 ms . After x seconds a

nother stone is projected vertically upwards from the level of the base of the tower with a speed 25 ms . Given that two stones are at same height moving in the same direction 6 seconds after projection of the first stone , calculate :
1) value of x
2) the velocity of the second stone at this instant
Mathematics
1 answer:
Valentin [98]3 years ago
4 0
It is 2 that what i got and i think i got it write if not delete 

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2 years ago
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weeeeeb [17]
Hi there! 

Your question: 

Sales fall from 300 per week to 270 per week what's the percentage change?

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