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anonymous
 one year ago
A ball is released from a height of 180 meters. In the 1st second, the ball drops 5 meters, in the 2nd second 15 meters, in the 3rd second 25 meters, and so on. How much time will the ball take to hit the ground?
anonymous
 one year ago
A ball is released from a height of 180 meters. In the 1st second, the ball drops 5 meters, in the 2nd second 15 meters, in the 3rd second 25 meters, and so on. How much time will the ball take to hit the ground?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.04 seconds 5 seconds 6 seconds 7 seconds

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2here is the series 5,15,25

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes it is going up by 10 per second

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2each term is obtained form the last by adding 10

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but it would take more then 7 seconds to hit the ground...

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2so if you keep going up the series adding as you go along until you get to 180 you'll get your answer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ohh, its 6 I get it thanks

welshfella
 one year ago
Best ResponseYou've already chosen the best response.275 in in 4 seconds 120 in 5 seconds 175 in 6 seconds so ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.05+15+25+35+45+55=180

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2yes you are right i miscalculated somewhere

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Its okay I did same thing last time lol

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2yes  shows we are human anyway!
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