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PtichkaEL [24]
3 years ago
9

A 1,000 kg car has 50,000 joules of kinetic energy what is its speed??

Physics
2 answers:
Vaselesa [24]3 years ago
3 0
Using KE=1/2mv^2

v=\sqrt{50000/500

so v=10
nydimaria [60]3 years ago
3 0

½mv²= KE  

½(1000)?²= 50000

500*?²= 50000

/500            /500

? ²=100

Square root  

?= 10

10 m/s is you answer

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