An 85 kg object is moving at a constant speed of 15 m/s in a circular path. which has a radius of 20 meters. what centripetal force is exerted on the body ?

In this experiment, you will use a track, a toy car, and some washers to explore newton’s first two laws of motion. you will make observations and collect data regarding the motion of these objects. in the space below, write a general scientific question that you will answer by doing this experiment.

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

What’s #16 asking me and how do i solve it?