If a cart is accelerating downhill under a net force of 25 N, what additional force would cause the cart to have a constant velocity?

25 N

50 N

no additional force is needed

- 25 N

A wave with low frequency would have relatively

An electron is released from rest in a uniform electric field. The electron accelerates, travelling 5.50 m in 4.00 µs after it is released. What is the magnitude of the electric field in N/C?

Durning the period when aurochs existed on Earth, they were preyed on by large predators. Some individual aurochs had stronger muscles than others.

How can astrophysicists tell whether a star is receding from or approaching earth?

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And object has a mass of 15g it has a volume of 7.5ml. find the density of the object.

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