Inside a space shuttle there are two identical boxes, but different content: one containts metal tools and the other foam for insulation. How can the astronaut know which is the one with the tools without opening it?

A physics student who is studying velocity and acceleration makes the following statement: "if an object is slowing down, its speed is gradually decreasing. That means that it's acceleration must be negative." Would you agree with this statement?

What is a non example of biosphere

Explain the difference between speed and velocity

What homemade things could I use for wheels on a small balloon powered car?

Compared to the sound of a car horn, the sound of a bird chirping has

Determine which factors will increase the reaction rate and which factors will decrease te reaction rate.

Read the paragraph below from the section "An Object At Rest Has Potential Energy Potential energy is the energy an object rgy is the energy an object has because of its position. It is energy that is waiting to be released.

Briefly describe the history of the metric system as it applies to the meter and how the definition of a meter has changed over time.

Visible light is an example of?

What were the discoveries of astronomers like Copernicus and Galileo?