A runner increases her speed from 5 km/hr to 10 km/hr over a period of three hours what is her acceleration?

A paper airplane with mass 0.1 kg is flying 1.5 m above the ground with a speed of 2 m/s. what is the total mechanical energy of the paper airplane?

Which is the one factor that adds to the greenhouse effect? 1. a decrease in the amount of dust in the atmosphere 2. a decrease in the amount of water on Earth's surface 3. an increase in gasses that absorb heat 4.

Describe the energy transformations that occur when a piece of wood is burned

Entropy measures a. temperature as volume increases. b. temperature as pressure increases. c. temperature at constant pressure. d. messiness. e. temperature at constant volume.

What are 5 things that are elastic?

A hill has three paths up and sides to a flat summit area that three path Lanks are different but the vertical height from the bottom of the mountain to the top is the same A) which path would be easiest for a car to claim B) not including the

Which one of the following is not an organic compound? Why? CH4 C2H6O Ca0

Which structure connects muscles to bone?

A firefighter mounts the nozzle of his fire hose a distance 36.9 m away from the edge of a burning building so that it sprays from ground level at a 45° angle above the horizontal. After quenching a hotspot at a height of 8.

A force is applied to a 13.0 kg wagon to pull it down the sidewalk at a constant speed. The coefficient of kinetic friction is 0.65. Considering the resulting frictional force, what is the magnitude of the applied force?