SoccerHalo
11.07.2019 •
Physics
Acart is pulled by a force of 250 n at an angle of 35° above the horizontal. the cart accelerates at 1.4 m/s2. the free-body diagram shows the forces acting on the cart. the mass of the cart, to the nearest whole number, is kg
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Ответ:
Mass of the cart = 146 kg
Explanation:
A cart is pulled by a force of 250 N at an angle of 35° above the horizontal.
The cart accelerates at 1.4 m/s² horizontally.
Horizontal force = Fcosθ = 250 cos35° = 204.79N
We have F = ma
Substituting
204.79 = m x 1.4
m = 146.28 kg = 146 kg
Mass of the cart = 146 kg
Ответ: