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3 years ago

What 2 events increase power output

Physics

2 answers:

OverLord2011 [107]3 years ago

7 0

P=I*E
Power (P)
Voltage (E)
Amps (I)

melisa1 [442]3 years ago

4 0

I think is the Electrical power and the Voltage power and more but you only ask for two so if you need more here Im

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atmospheric pressure is measured in all of the following units except ……… ? A. torr B. pascal C. bar D. newton?

AlexFokin [52]

Answer:

C. Bar

Explanation:

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2 years ago

An elevator accelerates upward at 2.0 m/s?,

amm1812

Answer:

Force the floor exerts on the passenger is 833 N.

Explanation:

Weight of passenger ( $F_{g}$ ) = mg = 85 × 9.8 N = 833 N

Force the floor exerts on the passenger ( $F_{N}$ ) = ?

For the elevator with the speed as 2.0 m/s the net force is zero, it means that the force is balanced.

i.e. $F_{N}$ = - $F_{g}$ = -mg = 833 N

hence $F_{N}$ is 833 N

If the lift was not at a constant speed i.e. if it had acceleration ( $m/s^{2}$ ) then the case would be different.

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3 years ago

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harina [27]

Answer:

Kinetic - a box moving

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Electrical - lightning

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3 0

2 years ago

Read 2 more answers

How is 0.00069 written in scienitfic notation?

victus00 [196]

You need to move the decimal point between the six and nine. 6.9 X 10^-4

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3 years ago

Medical cyclotrons need efficient sources of protons to inject into their center. In one kind of ion source, hydrogen atoms (i.e

antoniya [11.8K]

Answer:

$r=5.278\times 10^{-4}\ m$

Explanation:

Given that:

magnetic field intensity, $B=0.07\ T$

kinetic energy of electron, $KE=1.2\ eV= 1.2\times 1.6\times 10^{-19}\ J= 1.92\times 10^{-19}\ J$

we have mass of electron, $m=9.1\times 10^{-31}\ kg$

Now, form the mathematical expression of Kinetic Energy:

$KE= \frac{1}{2} m.v^2$

$1.92\times 10^{-19}=0.5\times 9.1\times 10^{-31}\times v^2$

$v^2=4.2198\times 10^{11}$

$v=6.496\times 10^6\ m.s^{-1}$

from the relation of magnetic and centripetal forces we have the radius as:

$r=\frac{m.v}{q.B}$

$r=\frac{9.1\times 10^{-31}\times 6.496\times 10^6 }{1.6\times 10^{-19}\times 0.07}$

$r=5.278\times 10^{-4}\ m$

6 0

3 years ago