Calculate if an electric hair dryer uses 2,400 j of energy in 2 s, what is its power?

What two factors affect the amount of friction that act on a moving object?

3. Shortwave radio is broadcast between 3.50 and 29.7 MHz, To what range of wavelengths does this correspond? Why do you suppose this part of the spectrum is called shortwave radio?

How do electric insulators and conductors differ?

How do fluids move? Explain.

A lamp hangs from the ceiling at the height of 2.9 m. if the lamp breaks and falls to the floor what is its impact speed

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