A ball is dropped and falls with an acceleration of 9.8m/s2 downward. it hit the ground with a velocity of 49 m/s downward. how long did it take the ball to fall to the ground?

Which of the following is a disadvantage of a controlled experiment A. It is a repeat. B. The results are more valid. C. It does not replicate real world conditions. D. The effect of the variable is apparent

A long, straight wire carrying a current is placed along the y-axis. If the direction of the current is in the + y direction, what is the direction of the magnetic field due to this wire?

A motorist travels at 270 km in p hours at a certain average speed. an expression for the distance that this motorist travelled in x hours at the same average speed is what

Is freezing outside on a cold day conduction convection or radiation?

The moon continues to orbit Earth in an example of the law of conservation of A) gravity B) motion C) energy D) angular momentum

What's the difference between solids and liquids?

Which type of reaction will for a chemical bonded combination

What kind of change is salt dissolving in water

Which of these is the most effective way for manny to cool down after kickboxing? start static stretches to increase his flexibility walk around to lower his heart rate sit and catch his breath to avoid light-headedness run one to three miles to

One of the driving forces of plate motion is: A. volcanic eruptions along coastlines B. meteor impacts in the ocean basins C. convection currents in the mantle D. hot liquid magma in the inner core