Spectra Spectra
  • 06-10-2024
  • Physics
High School

Find the kinetic energy of a bullet if it has a velocity of 700 m/s and a mass of 0.2 kg.

A) 70 J
B) 19,600 J
C) 49,000 J
D) 196,000 J

Answer :

ca6hioquaziz198765 ca6hioquaziz198765
  • 05-08-2023

Answer:

K.E. = 49000 J

Explanation:

K.E. = 1/2 m v^2

Where

K.E. = Kinetic Energy

m= mass

v= velocity

Simply replace

K.E. = 1/2 (0.2 kg) (700 m/s)^2

K.E. = 49000 J

Note that the units convert to J here

I hope this helped!

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