A 1200 Kg Ore Cart Is Rolling at 10

question 5

Multiple Choice

A 1200 kg ore cart is rolling at 10.8 m/s across a flat surface.A crane dumps 691 kg of ore (vertically) into the cart.How fast does the cart move after being loaded with ore? Assume that frictional forces may be neglected.

• A)6.8 m/s
• B)4.1 m/s
• C)4.6 m/s
• D)6.2 m/s

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