A baseball with mass of 0.14 kg has an initial velocity of 38 m/s. The bat applies a force that is much larger than the weight of the ball, and the ball departs from the bat with a final velocity of 58 m/s. The contact time between the bat and the ball is 4x10^-3s. Find a. The initial and final moments of the ball
b. The impulse produced by the bat
c. The average force exerted on the ball

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Can a molecule have bond dipoles but not have a molecular dipole?

The text compares alternating current with direct current. how are they different? a alternating current reverses direction in the electrical wiring. direct current flows in one direction only. b direct current reverses direction in the electrical wiring. alternating current flows in one direction only. c direct current is powered by solar energy. alternating current is powered by electrical energy. d alternating current does not move in the electrical wiring. direct current does move in the electrical wiring.