A 900 kg car is traveling at 20 m/s along the road. What force must be applied to the car to stop it in a distance of 30 m2 Assu
me a
constant change in velocity.
A. 6000 N
B. 12,000 N
C. 7000 N
D. 18,000 N
h
1 answer:
Answer:
A. 6000 N
Explanation:
v²=u²+2as
0²=20²+2x30xa
-400=60a
a=-400/60
a =-6.667m/s²
f =ma
f = 900 x 6.667 = 6003N
F = 6000N
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I think it is A, B, C. :)
Good luck!
I know about sleepy hollow
Current will be

now just pluf in the values and Voila..
Answer:
KE = 30,000 J
Explanation:
KE =
mv²
KE =
(600)(10)²
KE =
(600)(100)
KE =
(60000)
KE = 30,000 J