3 years ago

Which of the following statements about line graphs is true?

Physics

2 answers:

Vladimir79 [104]3 years ago

7 0

What r the answer choices? I'm

Lubov Fominskaja [6]3 years ago

5 0

You'd have to include the statements to get a helpful answer..

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1. A block of aluminum occupies

Anvisha [2.4K]

Answer:

2700g/L

Explanation:

D=m/v

40.5g/0.015L

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2 years ago

In Which senecio is an animal doing work

Arisa [49]

Answer:

A horse pulls a wagon along a road

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3 years ago

A xenon arc lamp is covered with an interference filter that only transmits light of 400-nm wavelength. When the transmitted lig

zepelin [54]

Answer:

3. both are true.

Explanation:

Energy increses with decrease in wavelenght.

For photoemission to occur, a threshold energy barrier must be broken.

Higher energy means more electrons will be emmited.

The electrons emmited will posses energy that is less than the incident energy by the value of the threshold energy.

So the higher the energy, the higher the energy possessed by the electrons.

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3 years ago

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A 10cm long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire

soldi70 [24.7K]

Answer:

a) $v=4.0m/s$

b) $B=2.958T$

Explanation:

From the question we are told that:

Wire Length $l=10cm=>0.10m$

Resistance $R=0.35$

Force $F=1.0N$

Power $P=4.0W$

Generally the equation for Power is mathematically given by

$P=Fv$

Therefore

$v=\frac{P}{F}$

$v=\frac{4.0}{1.0}$

$v=4.0m/s$

Generally the equation for Magnetic Field is mathematically given by

$B=\frac{\sqrt{PR}}{vl}$

$B=\frac{\sqrt{4*0.35}}{4*0.10}$

$B=2.958T$

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3 years ago

Greg is in a bike race. at mile marker four (out of ten), his speed was measured at 13.5 mph. which best describes the measured

posledela

The instantaneous speed.

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3 years ago

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