Answer:
0.972222........
Explanation:
1. Convert km/h to m/h by multiplying by 1000
2. Divide by 60 so that you have 58.3333... meters per minute
3. Divide by 60 again so now you have 0.972222... m/s
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Answer:
Explanation:
displacement is the shortest distance between the initial and final position and velocity is the ratio of distance to the time taken. displacement will be zero if the body comes back to its initial position
Answer:
u = 23.68 m/s
Explanation:
given,
mass of the car, m = 1900 Kg
Force exerted on the wall, F = 150,000 N
time of contact, t = 0.3 s
final speed of the car = 0 m/s
initial speed of the car = ?
we know,
Impulse is equal to change in momentum
J = m v- mu
J = 1900 x 0 - 1900 x (-u)
J = 1900 u
impulse is also equal to force into time
J = F x t
equating both equation of impulse
1900 u = F x t
1900 u = 150000 x 0.3
1900 u = 45000
u = 23.68 m/s
Speed of the car before collision is equal to 23.68 m/s
Answer:
c electric field is the answer