Physics, 11.04.2020 00:11, knela

A 2 kg ball is attached to a 0.80 m string and whirled in a horizontal circle at a constant speed of 6 m/s. The work done on the ball during each revolution is: * 1 point (A) 90 J (B) 72 J (D) 16 J (D) zero

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 20:00, lekab0001

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

Answers: 1

continue

Physics, 22.06.2019 08:00, cia196785920

If a balloon is taken outside on a very cold day, what will occur?

Answers: 1

continue

Physics, 22.06.2019 10:30, zoebtharpe

An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.

Answers: 2

continue

Physics, 22.06.2019 12:10, saniyawilliams1207

Energy flows from the producer level to the level. is called

Answers: 1

continue

Do you know the correct answer?

A 2 kg ball is attached to a 0.80 m string and whirled in a horizontal circle at a constant speed of...