3 years ago

What kind of small objects composes much of the universe?

Physics

1 answer:

Inga [223]3 years ago

7 0

It’s atoms thank me later (give me brailiest)

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77julia77 [94]

The correct answers are <span>starting friction and </span>static friction

Friction slows down all forces, but starting friction slows down or stops completely the start of motion.

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What group does paracetamol come under

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Paracetamol is grouped within the 'painkillers' category.

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You fill a 22-cm-tall container with glycerol so that

Ne4ueva [31]

50 POINTS WASTED IMAO

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3 years ago

A 40 Watt lightbulb is on for 3 minutes. How many joules of work does it do?

ella [17]

Answer:

Explanation:

Power (p)= 40 watt

time (t)= 3 minutes = 180 seconds

Energy (E)= ?

we know

P = E/t

40 = E / 180

E = 7200 Joules

Therefore it does 7200 joules of work.

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3 years ago

A baseball bat changes the momentum of a ball with an impulse of 13.8 Nᐧs. What is the average force that the bat exerts on the

vladimir2022 [97]

Answer:

13800 N

Explanation:

Impulse is the product of average force and time expressed as I=Ft where I is the impulse which results into change in momentum, F is the average force and t is the time of impact. Making F the subject of formula then

$F=\frac {I}{t}$

Substituting I with 13.8 N.s and time, t witg 0.001 s then the average force is calculated as

$F=\frac {13.8 N.s}{0.001}=13800N$

Therefore, the average force is equivalent to 13800 N

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3 years ago