Give two examples of solutions we need in our lives.

If the fuel he carries produces 36 kJ of heat per gram when it burns, how much fuel should he carry? (For the sake of simplicity, assume that the transfer of heat is 100 %% efficient.)

What rule does static electricity follow

Describe the changes in the field of view and the amount of available light when going from low to high power using the compound microscope

Why does gold survive being underground for years?

A material that release energy when it burn

Protons are the smallest particle of an element that retains the original Characteristics of the element. True or False

What are all the elements of a perfect graph?

Heat energy always flows from a. larger objects to smaller objects. b. heavier objects to lighter objects. c. cooler objects to warmer objects. d. warmer objects to cooler objects.

Rafael swings a baseball bat with a force of 25 N. The baseball bat exerts a force of 5 N on the baseball. What is the mechanical advantage of the baseball bat?

All of the following are examples of aerobic exercise except Question 9 options: a) sprinting b) marathon running c) biking d) long distance swimming