A ball with a mass of 1.2 Kg rolls off of a table 0.45 m above the floor. assuming a complete transformation of gravitational potential energy into kinetic energy, calculate the velocity of the ball immediately before it hits the floor.

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal

At what time will the interfering waves have an amplitudeof zero?

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.