Adding bleach to red food coloring causes the food coloring to lose its color. Is this a physical or chemical change? Explain.

Two identical, unlabeled boxes are transported to an orbiting space station. The astronauts know that one box is filled with a light sample of ants for an experiment, and the other is filled with heavy tools for repairs.

Mark needs to lower the pitch of the guitar to play his songs. How can Mark lower the pitch of the guitar? A Mark can make the strings tighter so they vibrate faster. B Mark can make the strings looser so they vibrate faster.

Describe how Bohr's model used the work of Maxwell.

Which is a result of using a machine? O The mechanical advantage makes the work output O The machine can put out force without having any O A large force can be exerted through a long distanc O A large force can be exerted through a short distan

Chemical sediments that result from the evaporation of water are

What distance was an object moved by a force of 40 N if the work was 600 joules

How do I use a metric conversions chart

Do you think Pluto should be considered a planet? Why or why not?

An object starts from rest at time t = 0.00 s and moves in the + x direction with constant acceleration. The object travels 14.0 m from time t = 1.00 s to time t = 2.00 s. What is the acceleration of the object? a) 5.20 m/s^2 b) 10.4 m/s^2 c) 8.

A box is dragged without acceleration in a straight-line path across a level surface by a force of 13 N. What is the frictional force between the box and the surface?