Calculate the momentum of a 1200kg car with a velocity of 25m/s
2 answers:
Answer:
Momentum, p = 30000 kg-m/s
Explanation:
It is given that,
Mass of the car, m = 1200 kg
Speed of the car, v = 25 m/s
To find,
The momentum of car.
Solution,
We know that the product of mass and velocity is called momentum of an object. It is given by :
p = 30000 kg-m/s
So, the momentum of the car is 30000 kg-m/s. Hence, this is the required solution.
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Answer:
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Explanation:
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Answer:
2.0 m/s/s
Explanation:
The acceleration of an object is the rate of change of velocity of the object.
Mathematically, it is given by:
where
u is the initial velocity
v is the final velocity
t is the time taken for the velocity to change from u to v
Acceleration is a vector, so it has both a magnitude and a direction.
For the runner in this problem, we have:
u = 0 is the initial velocity (he starts from rest)
v = 8.0 m/s is the final velocity
t = 4.0 s is the time taken
Substituting, we find