A wheelbarrow is a compound machine

True

False

Why was Alessandro Volta's battery important to the evolution of electromagnetics and on the present

An elevator is moving down at a constant rate of 4 m/s. A person is standing on a scale that says the person weighs 80 N. When it reaches the bottom, it comes to a stop in 2 seconds. During the stopping process, what is the reading on the scale?

What occurs during an exothermic change

Red, green, and blue light rays each enter a drop of water from the same direction. Which light ray's path through the drop will bend the most, and which will bend the least? Why?

How can sound interact with matter

Use a (t) = - 32 feet per second per second as the acceleration due to gravity. (Neglect air resistance.

Which planet has a tilted axis of rotation similar to that of Earth, which means it has seasons? Select one: a. Jupiter b. Uranus c. Mars d. Neptune

What is the efficiency of a device that gives you 10 units of useful energy for every 100 units you put in it? A. 1 B. 0.5 What is the efficiency of a device that gives you 10 units of useful energy for every 100 units you put in it? A. 1 B. 0.5

Why do windows have two panes of glass separated by a layer of air

2. What characteristics does the domain Bacteria have