Question

kinetic energy= 5J, velocity=6m/s, mass = ?​

Answer 1

Answer:

K.E = 1/2 mv^2

Explanation:

5=m(6)^2

5=m36

5/36 = m

0.138kg = m

Answer 2

K.E=1/2 × m(v)^2

5=1/2 × m(6)^2

5=1/2m × 36

5= 36/2m

5= 18m

18m= 5

m= 5/18

m= 0.27m/s