Physics, 14.12.2020 14:00 gabriellabadon2

A motor takes 2,280 Joules of electrical energy and turns it into 1,606 Joules of useful kinetic energy and 550 Joules of wasted thermal energy and sound.
Calculate the efficiency of the motor in percent.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 01:30, LarryJoeseph

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

Answers: 2

continue

Physics, 22.06.2019 04:00, katelynn73

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

Answers: 2

continue

Physics, 22.06.2019 11:30, genyjoannerubiera

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?

Answers: 2

continue

Physics, 22.06.2019 15:30, makk60

The radius of an atom is closest in size to a

Answers: 2

continue

You know the right answer?

A motor takes 2,280 Joules of electrical energy and turns it into 1,606 Joules of useful kinetic en...