hollyh8464 hollyh8464
  • 10-03-2017
  • Physics
contestada

A 1000-kg car has 50,000 joules of kinetic energy. What is the speed?

Respuesta :

harshaldk harshaldk
  • 10-03-2017
Kinetic Energy = 1/2×m×v²
50000 = 1/2×1000×v²
v = √100
v = 10 m/s
Answer Link
fc808
fc808 fc808
  • 16-03-2020

Answer:

½mv²= KE  

½(1000)?²= 50000

500*?²= 50000

500           500

? ²=100

Square root  

?= 10

10 m/s is you answer

Answer Link

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