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qaws [65]
3 years ago
15

What is the volume of a stopper that has a mass of 57 grams and a density of 8.4 g/cm3?

Physics
1 answer:
nikdorinn [45]3 years ago
8 0

Answer:

Explanation:

Mass ( m) = 57 gram

density (d)= 8.4 g/cm^3

volume (v)=?

we know density is mass per unit volume

d = m/v

or v = m/d

v = 57/ 8.4

volume = 6.79 cm^3

hOPe it will help :)

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An unmarked police car traveling a constant 95 km/h is passed by a speeder. Precisely 1.00 s after the speeder passes, the polic
Montano1993 [528]

Answer:

Speed of the speeder will be 28 m/sec

Explanation:

In first case police car is traveling with a speed of 90 km/hr

We can change 90 km/hr in m/sec

So 90km/hr=\frac{90\times 1000m}{3600sec}=25m/sec

Car is traveling for 1 sec with a constant speed so distance traveled in 1 sec = 25×1 = 25 m

After that car is accelerating with a=2m/sec^2 for 7 sec

So distance traveled by car in these 7 sec

S=ut+\frac{1}{2}at^2=25\times 7+\frac{1}{2}\times 2\times 7^2=224m

So total distance traveled by police car = 224 m

This distance is also same for speeder

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4 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP
DaniilM [7]

Your answers:

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I'm sorry I cannot answer all your questions because there's a typing limit. :)

Thank you for your patience, and I hope I helped!

Would appreciate Brainliest ;)

4 0
3 years ago
How many miles away is the sun to the earth?
geniusboy [140]
<span>92.96 million mi..........</span>
7 0
3 years ago
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Does Solid surfaces reflect better than liquid surfaces? If why?
zloy xaker [14]
It depends on what type of solid
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The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines. Calculate the pressure (in atm) du
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Answer:

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