The approximate acceleration of gravity for an object above the earth's surface is 9.8 m/s².
<h3>
Acceleration due to gravity </h3>
The acceleration due to gravity of an object above the Earth's surface is calculated from Newton's second law of motion and Newton's law of universal gravitation.
<h3>Force between the object and Earth</h3>
<h3>Weight of the object</h3>
Solve (1) and (2)
mg = GmM/R²
g = GM/R²
where;
- M is mass of Earth
- G is gravitational constant
- R is radius of the Earth = 6,371 km
g = (6.673 x 10⁻¹¹ x 5.98 x 10²⁴)/(6,371 x 10³)²
g = 9.8 m/s²
Learn more about acceleration due to gravity here: brainly.com/question/88039
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<h2><u>
Answer:</u></h2>
<u></u>
<u>Force = kgm/s² ⟶ Newton</u>
<h2><u>
Explanation:</u></h2>
<u></u>
According to the formula we've learnt,
- Force = mass × acceleration.
To find force in terms of base units, we must first identify the base SI units of mass & acceleration.
- Base SI unit of mass = kg (kilogram)
- Base SI unit of acceleration = m/s² (meter per second squared)
So, the base unit of force is,
- Force = mass × acceleration.
- <u>Force = kgm/s² ⟶ Newton</u>
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Hope it helps!
Answer:
<em>Not slow down or speed up</em>.
Explanation:
Hitting the puck accelerates the speed of the puck from zero to the speed with which it leaves at the instance they lose contact. Since there is no friction between the puck and the ice, there will be no force decelerating or accelerating the hockey puck, allowing the puck to move away and remain in motion without speeding up or slowing down indefinitely theoretically.
The answer is 12.5 kg because 250N / 20m/s^2
I hope that helped
