An airplane accelerates from a velocity of 21 m/s at the constant rate of 3.0 m/s over 535 m. 2 what is its final velocity?

Suppose you are measuring the height of a small child. What will determine the number if significant digits you record?

If the mass of the earth and all objects on it were suddenly doubled, but the size remained the same, the acceleration due to gravity at the surface would become A) 1/2 of what it now is. B) 2 times what it now is. C) 1/4 of what it now is.

How much heat transfer (in kilocalories) is required to thaw a 0.450-kg package of frozen vegetables originally at 0ºc if their heat of fusion is the same as that of water?

A plasma wave moving through a plasma has a frequency of 109 Hz and a speed of 3.0 * 107 m/s. What is the wavelength of this wave?

How can a high school student have more momentum than a truck

What element has the lowest electronegavity?

Identify two different ways you can make a yellow spotlight for a theater stage

Ian walks 2 km to his best friend's house, then walks 0.5 km to the library. He then makes a 2.5 km walk home. The entire walk took him 3 hours. What is his average speed in km/h? SHOW YOUR WORK!

What would happen if earth gravity suddenly disappeared?

How many layers of material were the roads made of? a. two c. four b. three d. five