3 years ago

Which sound has 1000 times more energy than the sound of a dishwasher?

Physics

1 answer:

Oliga [24]3 years ago

5 0

D because the tornado siren are supposed to be loud so everyone could hear

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the battery of a car has a rating stated which permit you to estimate the length of time a fully charged battery could deliever

Lubov Fominskaja [6]

Answer:

600Joules

Explanation:

The energy stored by this battery is calculated using the energy formula;

E = Q× v

Where E is energy

Q is the charge

v is voltage

Hence E = 50 × 12 = 600Joules

Note Q = 12 ampere minute

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3 years ago

Sunlight is made up of EM waves. True or False

GrogVix [38]

Answer:

true

Explanation:

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3 years ago

How safe is Wind Energy? Use in your own words.

Kisachek [45]

Answer:

wind energy is safe

Explanation:

because it just is

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3 years ago

Read 2 more answers

g a stone with mass m=1.60 kg IS thrown vertically upward into the air with an initial kinetic energy of 470 J. the drag force a

otez555 [7]

Answer:

Height reached will be 28.35 m

Explanation:

Here we can use the work energy theorem to find the maximum height

As we know by work energy theorem

Work done by gravity + work done by friction = change in kinetic energy

$-mgh - F_f h = 0 - \frac{1}{2}mv_i^2$

now we will have

$-1.60(9.8)(h) - 0.900(h) = - 470$

$-16.58 h = -470$

$h = 28.35 m$

so here the height raised by the stone will be 28.35 m from the ground after projection in upward direction

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3 years ago

What are difference between a pur substance a mixture?

MA_775_DIABLO [31]

Answer:

A pure substance has only one substance while a mixture has two or more substances

Explanation:

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3 years ago