What is the definition of one Joule?

Why is the work output of any real machine less than the work needed to operate it? work is gained due to friction work is lost due to friction friction reduces the work input

When are you safe outside if you hear thunder?

What does the star release, and in what form do we see it?

What type of energy is used by your body when you eat food?

Which statement best explains that sound waves are pressure waves? Sound waves have regions of compressions and rarefactions. Sound waves cannot propagate through metals. Sound waves move perpendicular to the medium particles.

Why can't cells get any glucose directly from the small intestine?

Oxygen makes up the largest part of living cells at 65%. What is the percentage of the second-most abundant element in living cells?

Shivering to warm up illustrates which characteristic of life? A. adaptation to environment B. homeostasis C. getting energy D. growth

Dante pours hot tea into a mug that is cool to the touch. Which best explains what will happen now?

What type of resource can be regenerated or replenished by biochemicl cycles