A student drops a ball from a height of 40.0m. If the ball increases speed at a uniform rate of 9.81m/s2, determine all unknowns and answer the following
questions.
How long did the ball remain in the air?
What was the ball's speed just before striking the ground?

Which situation will have the highest resistance? a.long wire and high temperatureb.short wire and high temperaturec.long wire and cold temperaturedshort wire and low temperature

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=