A student slides a book across a desk, with a velocity of + 8 m/s. When her friend catches the book, it has a velocity of + 7.4 m/s. If the acceleration was a constant - 5.6 m/s2, how wide is the desk?

Which of the following is an example of genetic engineering? Editing the DNA of bacteria so that they produce insulin Tracking the relationship of whales and dolphins using DNA samples Writing computer code that shows artificial intelligence

What is electrostatic force?

what properties of substance would you need to know in order to determine if it is a pure substance or mixture?

What is the SI unit of force? A. newton B. joule C. kilogram

Уге - а (ч1) че 5 х 10. а/Чx + ) - 4 x

A gate in an irrigation canal is constructed in the form of a trapezoid 2 m wide at the bottom, 38 m wide at the top, and 2 m high. It is placed vertically in the canal so that the water just covers the gate.

A machine with a mechanical advantage of 10 is used to produce an output force of 250 newtons. What input force is applied to this machine

Why do you float in space

How does physical change affect the identity of a substance

A scientist pours grape juice on three identical white shirts He then uses three different cleaning products on the shirts and measures how clean they get what is the independent variable in this experiment