Why is too much exposure to ultraviolet radiation dangerous

A 31.7 kg kid, initially at rest, slides down a frictionless water slide at 53.2º. How fast is she moving 3.45 s later?

One student did an experiment to find if fertilizer can make plants grow taller. The steps of the experiment are listed below. Take three pots of different sizes. Fill the pots completely with the same type of soil.

Four of your friends are in new relationships, but only two of these relationships are healthy. Which of your friends are in unhealthy relationships that have escalated to a safety risk?

3. A carpenter uses a crowbar to remove the top of a box. The top has a resistance of 500 N. The carpenter applies an input force of 250 N. What is the mechanical advantage of the crowbar? aw-Hill Companies, In

Which object is largest? star galaxy globular cluster planet?

How does a very heavy object resist sliding sideways when you push hard on it?

A go-cart traveled at 200 meters in 18 seconds. what was the average speed of the go cart?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared

Convert 1087 ft/s to mi/hr

Using the atomic symbol above report how many protons, neutron, and electrons an atom of neon contains.