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Answered by
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F=mv/t
4=2v/4
(v=8m/sec)
a=F/m
a=2m/s^2
V^2=2as
velocity at 10secs is
v'=at
v'=2×10=20m/s
20×20=2×2×s
(s=100m)
hope the answer is helpful.
roopiniP:
this is the answer for 2nd question guys.
Answered by
0
1)
m= 1kg
u=0m/s
F=1N
t=?
S=2m
F=ma
a=1m/s^2
Therefore,
S=ut+1/2at^2
S=1/2at^2
2=1/2*1*t^2
t^2= 4
t= 2sec
Answer to your question is 2 seconds
2)
A)
F=4N
m=2Kg
t=4s
u=0m/s
F=ma
a=2m/s^2
a=v-u/t
2=v-0/4
v=8m/s
Answer to your question of A is 8m/s
B)
t=10 s
S=?
S=ut+1/2at^2
S=1/2at^2
=1/2*2*10^2
=+100
=100m
Answer to your question of B is 100 m
m= 1kg
u=0m/s
F=1N
t=?
S=2m
F=ma
a=1m/s^2
Therefore,
S=ut+1/2at^2
S=1/2at^2
2=1/2*1*t^2
t^2= 4
t= 2sec
Answer to your question is 2 seconds
2)
A)
F=4N
m=2Kg
t=4s
u=0m/s
F=ma
a=2m/s^2
a=v-u/t
2=v-0/4
v=8m/s
Answer to your question of A is 8m/s
B)
t=10 s
S=?
S=ut+1/2at^2
S=1/2at^2
=1/2*2*10^2
=+100
=100m
Answer to your question of B is 100 m
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