What is the name of the line drawn perpendicular to the surface where a light ray strikes?

How are producers and consumers different?

baseball pitcher throws a baseball, which has a mass of 0.145 kg, at a speed of 153 km/h. What is the kinetic energy of the baseball?

In a double-slit experiment, two beams of coherent light traveling different paths arrive on a screen some distance away. what is the path difference between the two waves corresponding to the third bright band out from the central bright band?

2. Why is an experiment called a controlled study?

How to find acceleration on net force

How many structures do prokaryotic cells have in common with the eukaryotic cells? 2 3 4 5

An astronaut throws a rock. the rock travels through outer space at a constant velocity. which statement applies to the motion of this rock? A - an unbalanced force is acting on the rock, causing it to accelerate.

What is a unit of acceleration? a. m/s b. m/s2 c. m2/s d. kg-m/s2

Windmill energy transformation

The flywheel of a steam engine runs with a constant angular velocity of 150 rev/min. When steam is shut off, the friction of the bearings and of the air stops the wheel in 2.2 h.