A van increased in speed from 20 km/h to 30 km/h in 5s. Calculate the acceleration

What part of a circuit has the main job of conducting the electricity?

Determine the process that will occur when net filtration pressure is negative.

What is the disadvantage of the parallax method, especially for studying distant parts of the Galaxy?

1.) if you are sitting still are you accelerating? How do you know? 2.) you're on a skateboard, moving very fast but at a constant speed. are you accelerating? 3.) Lara claims that if an object is accelerating it must be moving.

If you want to lower the temperature of a substance slowly, you would choose a substance with a high heat capacity. True False

The water in a lake is at 5 °C. A diver measures the pressure of the water at two different depths in the lake. He repeats the measurements on a different day when the water is at 15°C.

A hot spot is an area where material from deep within the mantle rises and melts through the crust above it. True or False

Which suspect is one who wrote the suicide note? Question 1 options: George Roberts Karen Roberts Mary Roberts John Huddleston

What happens when an atom is exposed to an energy source such as electricity? The electrons may jump to a higher energy level. The electrons move closer to the nucleus. The electrons may move to a lower energy level.

A coin completes 18 spins in 12 seconds. The centripetal acceleration of the edge of the coin is 2.2 m/s2. The radius of the coin is m.