A sample has a density of 30 g/ml. there is 60 ml of this substance. how much does it weigh?

A car is moving with a speed of 15 ms. How long does it take to cover a distance of 1.2 km?

A toy train rolls around a horizontal 1.0-m-diameter track. The coefficient of rolling friction is 0.10.

What other structures is it near hypothalamus?

How do the charges compare when two objects are charged through friction? A. The objects become oppositely charged and have equal amounts of charge. B. The objects become positively charged and have equal amounts of charge. C.

Explain why we can clearly through a flat sheet of glass, even though light is refracted as it passes through.

What does newton's first law predict will happen to a person riding in a car that is moving in circular motion?

One of the main reasons steel is used more widely than iron is because it's lighter softer stronger than iron

What is the frequency of a wave with a velocity of 21.2 m/s and a wavelength of 8.3m?

Positive ions have blank protons than electrons

What is the weight, in n, of an object with a mass of 200 kg at a location where g = 9.6 m/s2. round the final answer to the nearest whole number?