ashleyd9243
07.11.2019 •
Physics
Amarble rolls off a table with a velocity of 1.2 m/s and hits the ground after falling for 2.0s. what is the velocity of the marble right before
it hits the ground?
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Ответ:
Explanation:
Given
force (F) = 75 N
Acceleration (a) = 5 m/s²
Mass (m) = ?
We know
F = m * a
75 = m * 5
m = 75 / 5
m = 15 kg
The mass of the shopping cart is 15 kg.
Hope it will help :)