04-05-2022
Physics

contestada

You serve a volleyball with a mass of 2100 g. The ball leaves your hand with a velocity of 30 m/s. The ball has how much energy? Calculate it.

Respuesta :

06-05-2022

Answer:

945 J

Explanation

You have just given the ball kinetic energy, which is given by the following equation:

Ek=0.5xm×v2

So the energy the ball has the moment after you hit it is:

Ek=0.5×2.1×(30)2<— square

Ek=945J

Answer Link

Otras preguntas

Sales $ 929,000 $ 264,000 $ 406,000 $ 259,000 Variable manufacturing and selling expenses 478,000 114,000 206,000 158,000 Contribution margin 451,000 150,000 20

Evolution has been tested in various ways. Genetic, fossil, anatomical, physiological and behavioral studies all confirm that evolution is the mechanism of the

What expression will Help me find 4% of 25

Assume that the current price of a market basket of goods is $2,500 and the base year price of the same market basket is $2,000. The current price index is A.

You've just met John at a party and he gives you his phone number so you can get together later. You didn't write it down right away, and a few minutes later, y

Which may occur as a result of a decrease in the price of laptop computers? a. Increase in demand b. Increase in quantity demanded c. Decrease in demand d.

After exposure, your employer must provide you with a copy of the evaluating healthcare professional's written opinion within 15 days. What information must thi

A Machine part is undergoing SHM with a frequency of 5.00 Hz and amplitude 1.80 CM, how long does it take the part to go from x=0 to x=-1.80 cm?

Robert has seven more than five times the number of video games Sam has. All together they have 25 video games. How many video games does Robert have?

A radioactive nuclide of atomic number emits an electron, then the daughter nuclide emits a gamma ray. What is the atomic number of the resulting nuclide after