During a race, a runner runs at a speed of 6 m/s. Four seconds later, she is running at a speed of 10 m/s. what is the runners acceleration? show your work.

In order to induce electrical energy into a conductor or generator, what three factors must be present?

Which atom is involed in giving your heart energy to beat

If two lightbulbs are parallel to each other, they have the same brightness. If the same two lightbulbs are put in series with each other, they also have the same brightness but are dimmer than when they are in parallel. Explain why.

If a guitar string vibrates at 304hz as its fundamental frequency, what is the frequency of the third harmonic?

Describe a situation where an object has a changing velocity but constant speed.

A galilean telescope adjusted for a relaxed eye is 36cm long. If the objective lens has a focal length of 40cm, what is the magnification?

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration

To generate higher profit margins, producers must work to increase their total supply. increase their total expenses. decrease their customer base. decrease their production costs

Solar energy isn't usually used as the only power source for a reason because what

What particle can be stopped by skin