Answers

2016-03-01T15:26:49+05:30
Mass = 2 kg
Initial velocity = 0 m/s
Time =5 sec
Therefore final velocity =u + at
V = 0+ 10*5
V = 50 m/s
Therefore kinetic energy = ½ mv² 
K.E. = 1/2-*2*50*50
K.E = 2500 J

I hope it helps…….. 
1 5 1
then what will be the ansew
g is 10m/s/s only dear
oky
:)
plz mark it as the best :)
2016-03-01T15:32:23+05:30
Mass is 2kg

u=0 

please see the below image for more understanding
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