A transformer is to be used to step down voltage from an alternating current source from 220V to 110V. If the primary has 120 turns, then the number of turns in the secondary is.

the skydiver has a forward velocity of 40 m/s, After one second, what is the skydivers forward and downward velocity?

What is deposition in physical science

What is the most important factor for the formation of our planets

Kevin, whose mass is 80 kg, is moving along at a velocity of 4 m/s. He doubles his velocity by going down a hill. How much kinetic energy does he have after going down the hill?

A 410-g cylinder brass is heated to 95 C and placed in a calorimeter containing 335 g of water at 25 C. The water is stirred, and its highest temp is recorded as 32 C. from the thermal energy determine the specific heat of brass.

Which of the following is not an application of Doppler technology? police speed guns weather radar ultrasound imaging of the liver determining the motion of a star

For a constant voltage, increasing the resistance will cause the current to decrease. true or false

Which of the following is an example of a testable scientific hypothesis? A) Why do plants grow better in the Sun than in the shade? B) Peacocks have prettier tail feathers than pigeons do.

A passenger jet flies from one airport to another 1,273 miles away in 2.2 h. find its average speed.

Wich statement best describe why an island food web could be considered a closed system