3 years ago

What increases the work output of a machine

Physics

1 answer:

Ilia_Sergeevich [38]3 years ago

4 0

There are only two things you can do to increase the work output of a machine:

1). Increase the work INput to the machine.

2). Make the machine more efficient ... do things like lubricating it better to eliminate some internal friction.

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A train travels 225 km in 2.5 hours. What is the trains average speed

Natalka [10]

90km per hour. Speed = distance÷time Speed= 225/2.5. Speed = 90Km per hour

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2 years ago

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Tema [17]

Answer:

yes

Explanation:

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2 years ago

A control clinic offers a program that guarantees a weight loss of up to 0.46 kg in one week. Express the weight loss in a ratio

Mice21 [21]

Answer:

0.76 mg/s

Explanation:

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3 years ago

The quantum state of a particle can be specified by giving a complete set of quantum numbers (n,l, ml, ms). How many different q

Delvig [45]

Answer:

number of quantum states = 8

Explanation:

To find the total number of allowed states you take into account the following relations:

$l=n-1\\\\m_l=-l,-(l-1),...,0,,,,(l-1),l$

in this case you have:

$n=2\\\\l=0,1\\\\m_0=0\\\\m_1=-1,0,1$

furthermore, for each n,l,ml quantum state you have two additional states due to the spin of the electrons.

then, you have (n,l,ml) = (2,0,0), (2,1,-1), (2,1,0), (2,1,1) and with the spin:

number of quantum states = 2*(1+3) = 8

4 0

3 years ago

What capacitance is needed to store 3μC of charge at a voltage of 120V?

katrin [286]

<u>Answer:</u>

C = 0.025F

<u>Explanation:</u>

Charge =q=3× $10^{-6}$ C

Voltage=V=120V

Q=CV

C=Q/V

=3× $10^{-6}$ /120

=1/40× $10^{-6}$

C = 0.025F

C=2.5 $10^{-4}$ C 0r 25 × $10^{-3}$ F

3 0

2 years ago