subject
Physics, 26.03.2020 16:57 damyonfenton13

7)
A battery is connected to a motor. The battery releases enough energy to perform 200) of work, but the motor produces only 90 J.
Why?
The battery has a leak.
Some energy is released as heat.
The motor is connected improperly.
The motor is connected to the battery in parallel

Please help!

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
question
Physics, 21.06.2019 23:50
The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory
Answers: 2
question
Physics, 22.06.2019 03:00
Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.
Answers: 1
question
Physics, 22.06.2019 10:00
If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone
Answers: 2
You know the right answer?
7)
A battery is connected to a motor. The battery releases enough energy to perform 200) of wo...
Questions
question
Mathematics, 30.08.2019 21:30
question
Mathematics, 30.08.2019 21:30
Questions on the website: 13722367