Question

A skydiver dropped a stone from a parachute which is at a height of 12,748 feet from the ground.

It fell in a river and travelled a total distance of 13,635 feet. Find the depth of the river.​

Answer 1

Step-by-step explanation:

A skydiver dropped a stone from a parachute which is at a height of 12,748 feet from the ground.

It fell in a river and travelled a total distance of 13,635 feet. the depth of the river is 130 feet

Answer 2

Answer:

$\purple{ \bigstar \underline{\boxed{\sf{ \red{ Given\colon}}}}} \\ \sf{ \red{A \: skydiver \: dropped \: a \: stone \: from \: a \: parachute }} \\ \sf{ \red{ which \: is \: at \: a \: height \: of \: 12,748 \: feet \: from \: the \: ground.} } \\ \sf{\red{It \: fell \: in \: a \: river \: and \: travelled \: a \: total \: distance \: of \: 13,635 \: feet.}} \\ \purple{ \bigstar \underline{\boxed{\sf{ \red{To \: find \colon}}}}} \\ \sf{ \red{ Depth \: of \: the \: river\: .}} \\ \purple{ \bigstar \underline{\boxed{\sf{ \red{ Solution\colon}}}}} \\ \sf{ \red{Total \: distance \: travelled \: by \: stone =13,635\: feet}} \\ \sf{ \red{ Distance \: travelled \: by \: stone \: in \: air =12 ,748 \: feet}} \\ \sf{ \red{ Distance \: travelled \: by \: stone \: in \: water =}} \\ \sf{ \red{Total \: distance \: travelled \: by \: stone - Distance \: travelled \: by \: stone \: in \: air}} \\ \sf{ \red{ = 13,635 - 12,748}} \\ \sf{ \red{ =887 \: feet}} \\ \sf{ \red{Depth \: of \: the \: river \: =Distance \: travelled \: by \: stone \: in \: water = 887 \: feet }} \\ \purple{ \bigstar{ \underline{ \boxed{ \sf\red{Depth \: of \: the \: river = 887 \: feet}}}}}$

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