Select all the substances that can transmit sound waves.

a. air

b. wood

c. water

d. ground

e. oxygen gas

f. empty space

Who proposed the idea that gravity could actually bend light? A: Isaac Newton B: Tycho Brahe C: Johannes Kepler D: Albert Einstein

What is the number of neutrons in an element with a mass number of 117 and a proton number of 67? -67 -117 -50 -0

A car is driven 225 km west and then 98 km southwest (45).

A disk rotates freely on a vertical axis with an angular velocity of 50 rpm. An identical disk rotates above it in the same direction about the same axis, but without touching the lower disk, at 20 rpm. The upper disk then drops onto the lower disk.

the car is moving on a straight road at a speed of 15m / s. The driver of the car starts overtaking with an acceleration of 2m / s². Determine how fast the car has reached after 6s from the start of overtaking.

Would you expect a hammer and a feather to land on the surface of the moon at the same time

Which of two factors influence the weight of an object due to gravitational pull?

What happens when a lamp plugged into an electrical outlet is turned on? A. Energy is gained. B. The form of energy changes, but the total energy remains the same. C. Energy is lost. D. The form of energy changes and the total energy increases.

How did the temperature structure of the solar nebula determine planetary composition?

The helicopter was deformed and destroyed in the __?___ collision.