allanmelodie63 allanmelodie63

29-10-2022
Physics

Answered

During a washing cycle, a washing machine uses 1039W usefully.
The machine also radiates 274W of sound, and 688W more is wasted as heat.
Calculate the efficiency of the washing machine.
Give your answer as a percentage and round it to 2 decimal places.

Answer :

Other Questions

Worksheet: Weight = mass X gravity OR Wt = mg OR Fg = mgWeight is a measure of the ____________________between an object and the Earth.The acceleration of gravi

-D- = y ght=y with ise 6: Motion of a carrot a rabbit, a boy stands in front of a vertical wall of height H-5m from ground and throws a carrot wall from a point

A fire helicopter carries a 590 kg bucket at the end of a 12.7 m long cable. When the helicopter is returning from a fire at a constant speed of 33.7 m/s, the c

a. move away from the magnet as in 1 b. rotate anticlockwise as in 3 c. move towards the magnet as in 4 d.rotate clockwise as in 2

Bats use ultrasound to locate their prey. A bat emits a high-frequency sound, which reflects off a nearby moth. The reflected waves are detected by the bat afte

(a) (i) A cricket player hits a ball with a bat. Before the ball is hit, it is moving to the left with a momentum of 4.2 kg m/s. The bat is in contact with the

Dark matter universe would have; is the only explanation for the structures of the earty universe. Clumps of it led to ::formation of galaxies remained uniform

Dark matter universe would have; is the only explanation for the structures of the earty universe. Clumps of it led to ::formation of galaxies remained uniform

Use ohm's law to calculate the total resistance of the circuit.

A long distance commercial passenger plane flies North at 910 km/h. At the same time, there is wind of 30 km/h from the West. Use a scaled diagram, Pythagorean