A ball is thrown horizontally from a cliff and hits the ground 4 seconds later 40

meters from the base of the cliff. How fast was the ball thrown?

Find the work done in moving an object along a vector r = 3i + 2j - 5k if applied force is F = 2i - j - k

To extend the electrical system between the main panel and the secondary panel, the electricians used A. Receptacles B. Circuit breakers. C. feeders. D. insulators

Compared to a large bucket of cool water, one cup of boiling water a. must contain more internal energy. b. must have a higher average kinetic energy. c. must have the same total internal energy. d. we can't know any of the above for certain.

In ohms law if E = 40V and the resistance for R1 is 100 ohms, R2 is 100 ohms, R3 is 100ohms what is the answer

A car travels a total of 2,500,000 meters. How many kilometers did the car travel?

If a clock expends 2 W of power from a 1.5 V battery what amount of current is supplying the clock?

The rectangular plates in a parallel-plate capacitor are 0.063 m * 5.4 m. A distance of 3.5 * 10-5 m separates the plates. The plates are separated by a dielectric made of Teflon, which has a dielectric constant of 2.1.

What connection does salt have with acids and bases?

All of the following are types of telescope except

In a longitudinal wave moving along a spring, what are areas where the coils are farthest apart called?