Rollercoaster car starts at a height of 90 m at point a and is moving at a speed of 20 m/s on a later hill at point c. assuming friction does not affect the motion of a car, what is its height at point c.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

What is the role of lenses in microscopy?

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane