Physics, asked by gladdu349, 2 months ago

10. Find the mass of a body which has 5) of k.E while moving with speed of 4m/s​

Answers

Answered by budhanush617
0

Answer:

Mass of the body = m kg. KE=12mv2⇒5J=12×m×2×2⇒m=52=2

Answered by jaripitisreeram
0

Answer:

Hey bro the answer is 5/8.

Explanation:

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

K.E=5

m= lets take as 'x'.

v=4

now substitute the values in the formula.

5=1/2*x*4*4

5=1/2*x*16

5=1/2*16x

5=16x/2

5=8x

so, by cross multiplication

x=5/8.

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