What happens when light enters water?

A. It slows down

B. Its speed does not change

C. It speeds up

D. It can't get back out

A neutral atom must have the same number of neutrona and protone, O O A True B False

What is the acceleration of a 0.30 kilogram ball that is hit with a force of 25 N?

Can a net force be applied to an object and still have the object maintain constant speed. explain

Janelle stands on a balcony, two stories above Michael. She throws one ball straight up and one ball straight down, but both with the same initial speed. Eventually each ball passes Michael.

Briefly describe the history of the metric system as it applies to the meter and how the definition of a meter has changed over time.

Why do responsible consumers use credit and credit cards?

According to Ptolemy's model of the movement of celestial bodies, A. the sun is the center of the universe. B. the earth rotates around the moon. C. planets orbit in circular paths around the earth. D. the earth rotates around the sun.

What is an organ that has villi to absorb the nutrients

Assume you are a Medieval knight attacking a castle with a cannon. The ball leaves the cannon with a speed of 47.7 m/s. The barrel's angle with respect to the ground is 43.

0.005 kg of copper was heated from 20°C to 80°C. How much energy was used to eat Cu? (Specific heat capacity of Cu is 385 J/kg °C)