An object travels 15 m in 3 s what is its speed?

Why were steamboats an improvement over earlier forms of transportation like horses and wagons? A. They could travel more places B. They required fewer people to operate. c. They used less power. D. They could transport goods to market faster.

What is the difference between a mechanical wave and an electromagnetic wave? A mechanical wave travels through empty space, while an electromagnetic wave travels through matter.

Cu (s) + AgNO3 (aq) → Cu (NO3) 2 (aq) + Ag (s) The unbalanced equation for the reduction of silver nitrate by copper is shown here. What is the coefficient for Cu (NO3) 2 in the balanced equation?

4. Why do you think there needs to be a specific code of ethics for health-related information on the Internet?

If you use spray-on deodorant, you can find out how fast it comes out of the can if you know the relative pressure inside the can.

A ball is dropped from rest from the top of a building. what force is responsible for the downward motion of the ball?

Which of these forces in carbon-14 isotopes transforms a neutron into a proton? gravitational forces electromagnetic forces weak nuclear forces strong nuclear forces

Train cars are coupled together by being bumped into one another. Suppose two loaded train cars are moving toward one another, the first having a mass of 130,000 kg and a velocity of 0.

Cellular telephones use a. radar waves b. very high frequency waves c. very low frequency waves d. microwaves

Why didn't the astronauts land on the moon math worksheet answers?