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vazorg [7]
3 years ago
8

Why dues brainy exist as a learning platform when it is just full of answers and you won't learn anything?

Engineering
1 answer:
tankabanditka [31]3 years ago
5 0

Answer: thats so true

Explanation:

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Please help me with this. Picture
Tamiku [17]

Answer:

in so confused

Explanation:

??

7 0
3 years ago
Explain why Didymos B is an ideal asteroid for testing the DART system.​
Yanka [14]

Answer:

Rhe fact that Didymos B is in orbit around Didymos A makes it easier to see the results of the impact, and ensures that the experiment doesn't change the orbit of the pair around the sun.” After launch, DART would fly to Didymos, and use an on-board autonomous targeting system to aim itself at Didymos B

Explanation:

8 0
4 years ago
Manufacturers frequently make choices about their suppliers of raw materials based on their impact on society and the environmen
love history [14]
Manufacturers seek attention
4 0
3 years ago
For a refrigerator, COP<1 a) True b) False
WINSTONCH [101]

Answer:

False

Explanation:

COP is Coeficient of performance, it relates useful heat moved with work consumed, it is used in refrigerators and heat pumps.

For refrigerators the useful heat is the one extracted from the cold reservoir. Therefore:

COP = \frac{Tcold}{T.hot - Tcold}

This often exceeds 1.

4 0
3 years ago
Explain the difference between the connection of a cumulative compound and a differential compound motor
Alexandra [31]

Answer:

Explanation:

A motor is a device that directs current in electrical energy form to mechanical energy, which is known as direct current (DC) motors.

DC motors are of three types: (a) The series motor, (b) The shunt motor, and (c) the compound motor. Our main focus here is the Compound motor, which is further sub-divided into:

i) The cumulative compound motors

ii) The differential compound motors

The difference between these two are:

Cumulative compound motors                  Differential compound motors

In cumulative compound motors,              In differential compound motors,

both the series and shunt windings          both series and shunt are

are connected in a way that,                     connected in a way that the

production of fluxes through them           production of fluxes via them

assist each other i.e. they aid each          always opposes each other i.e.

other in the production of magnetism      they oppose each other in the

                                                                    production of magnetism.

6 0
3 years ago
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