Answers

2014-07-29T14:58:09+05:30
f=ma
m=1000kg=1000000g
u=10m/s
v=50m/s
t=20
a=(v-u)/t  
  =(50-10)/20
  =2m/s^2
f=1000000*2
 =2000000N
2 3 2
yep...
How much is ur acceleration?
800 N
thats wrong. Acceleration= (v-u)/t
???
2014-07-29T15:26:04+05:30
50 = 10 + 20a
40 = 20a
a = 2 m/s²
F = ma
  = 1000*2 
 F = 2000N
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