a tennis ball is hit straight up with an initial velocity of 38m/s what is the speed of the ball 3.2 seconds after it is hit

1. Massive amounts of destructive energy are released when a nuclear fission bomb explodes. Where does that energy come from? A. A chain reaction occurs when uranium atoms split, releasing nuclear energy. B.

Mercury's natural state is where the atoms are close to each other but are still free to pass by each other. In which state (s) could mercury naturally exist? gas liquid solid or liquid solid or gas

The moon is slowly moving away from the earth, what will eventually happen to the gavitional force between the earth and the moon

The previous part could be done without using the decay equation, because the ratio of original 14C14C to present 14C14C was an integer power of 1/2. Most problems are not so simple.

When running on its 11.4 V battery, a laptop computer uses 8.3 W. The computer can run on battery power for 8.5 h before the battery is depleted. How much energy, in joules, is this battery capable of supplying?

Where are the magnetic fields stronger near a bar magnet? A) Top B) Center C) Ends D) Bottom

You pull a simple pendulum of length 0.225m to the side through an angle of 3.50∘ and release it. Part A How much time does it take the pendulum bob to reach its highest speed? Take free fall acceleration to be 9.80 m/s^2.

What is the velocity of a wave having a frequency of 25 Hz and a wavelength of 10m

What is the force on a 1-kg ball that is falling freely due to the pull of gravity

Which would react chemically by forming an ionic bond? A. 2 chlorine atoms with 7 valence electrons each B. 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron C.