A car weighs 1323 N. what is its mass?
2 answers:
Answer:
Mass of the car, m = 135 kg
Explanation:
The weight of the car is 1323 N. Let m is its mass. The relation between the mass and weight comes form Newton's second law of motion. We know that the weight of an object is the force that is exerted due to acceleration due to gravity.
The mathematical form of weight of an object is given by :
W = mg
g is the acceleration due to gravity
m = 135 kg
So, the mass of the car is 135 kg. Hence, this is the required solution.
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Answer:
Do neither of these things ( c )
Explanation:
For length contraction : Is calculated considering the observer moving at a speed that is relative the object at rest applying this formula
L = (l)
where l = Measured distance from object at rest, L = contracted measured in relation to the observer , v = speed of clock , c = speed of light
you will do neither of these things because before you can make such decisions who have to view the object in this case yourself from a different frame from where you are currently are, if not your length and width will not change hence you can't make such conclusions/decisions .