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just olya [345]
3 years ago
5

60 pOINTS HELP PLEASE 4. A 20-kg child is tossed up into the air by her parent. The child is 2 meters off the ground traveling 5

m/s.
Circle one: KE / GPE / both

Show your work for finding the values of each type of energy the object has:
Mathematics
1 answer:
Solnce55 [7]3 years ago
6 0
K.E=0.5mv^2
GPE=mgh
The child has both K.E and GPE
ke = 0.5 \times 20 \times  {5}^{2}  \\ ke = 10 \times 25 \\ ke = 250 \: joules
gpe = 20 \times 9.81 \times 2 \\ gpe = 40 \times 9.81 \\ gpe = 392.4 \: joules
g is taken as 9.81
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Define x :
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Let the width be x.
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