Strzała o masie 20g tuz po wystrzale ma prędkość 50m/s. Oblicz pracę wykonana przez zawodniczkę. Ile wynosi energia potencjalna sprężystości napiętej cięciwy?

Steel objects can become temporary magnets because they are mainly composed of which element?

Definition of cloud formation in your own words

A tug-of-war game is played by five c/hildren: three on one team and two on the other. How much force will the two child team have to exert against the three child team in order to hold the rope steady if the three children opposing them exert

What energy do electrons have when they are farther away from the nucleus?

a runner moves 2.38 m/s north. She accelerates at 0.310 m/s^2 at a - 62.0 degree angle. How many seconds later is she running directly east

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.

Think of the last five things you read. Now think of a type of reading you havent done recenty have never read. What kind of pattern do you see in your reading? What is your favorite type of reading and your least favorite type of reading?