What effect did the internal combustion engine have on transportation?

In which layer of earth is the asthenosphere located?

Solving 2-D Motion A puck moves 2.35 m/s in a - 22 degree direction. A hockey stick pushes it for 0.215 s, changing its velocity to 6.42 m/s in a 50 degree direction. What is displacement y?

Two ice skaters stand facing each other at rest on a frozen pond. They push off against one another and the 48 kg skater acquires a speed of 0.69 m/s. If the other skater acquires a speed of 0.87 m/s, what is her mass in kilograms?

A wave with a frequency of 17 Hz has a wavelength of 4 meters. At what speed (in m/s) will this wave travel?

What is the continuous flow of electric charge? A) voltage B) resistance C) potential difference D) current

How do you reduce friction

3. A 16 kg barrel is lifted up by a rope. The barrel accelerates at 1.4 m/s2. Find the force exerted by the rope. Show all your work. Answer:

I don't have it anymore since no one cared to answer

When a substance changes from one phase to another, which of the following events occurs?

Which of the following contains both protons and neutrons? a. outer shell b. nucleus c. covalent bond d. ionic bond