What is the mass of 50 N object on earth
1 answer:
The average gravity on Earth is:
Since N represents Newtons and Newtons is a measurement of force we can use the following equation:
Where F is force, m is mass, and a is acceleration. In this case the acceleration is the gravity acting on the object. Therefore, F=50N, a=g=9.81m/s^2 and m is to be determined. And so:
Therefore, the mass is approximately 5.1 kg.
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Answer: 88 m/s
Explanation:
If we are talking about an acceleration at a uniform rate, we are dealing with constant acceleration, hence we can use the following equation:
(1)
Where:
Is the final velocity of the plane (we know it is zero because we are told the pilot stops the plane at a specific distance)
Is the initial velocity of the plane
is the constant acceleration of the plane
is the distance at which the plane stops
Isolating from (1):
(2)
(3)
Finally:
This is the veocity the plane had before braking began
Check the attached file for the answer.
Force on a moving charge is given by formula
here we know that this force will be maximum when velocity is perpendicular to magnetic field
here we know that
now we have