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melisa1 [442]
3 years ago
13

A boulder on top of a cliff has a potential energy of 12400J. How high above is the boulder?

Physics
1 answer:
Bezzdna [24]3 years ago
6 0
Do you also know what the mass of the boulder is?
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A roller coaster car rapidly picks up speed as it rolls down a slope. as it starts down the slope, its speed is 4 m/s. but 3 sec
Arisa [49]
Vi = 4 m/s
vf = 22 m/s
t = 3s
a = ?

vf = vi + a * t
vf - vi = a * t
a = (vf - vi) / t
a = (22 - 4) / 3
a = 6 m / s^2
8 0
3 years ago
Un libro del peso di 12 N è in equilibrio su un tavolo. Sapendo che il coefficiente di attrito statico vale 0,5, la forza di att
Tanzania [10]

Answer:

60

Explanation:

Translation -

A book weighing 12 N is balanced on a table. Knowing that the static friction coefficient is 0.5, how much is the friction force worth?

Friction force is

f = u * n

f = 0.5 * 12N

f = 60

4 0
3 years ago
The equatorial diameter of venus is 7,523 miles. if a mile equals 1.609 km, what is venus's diameter in kilometers?
polet [3.4K]

The diameter of venus in km is 12104.507Km.

<h3 /><h3>What is Unit conversion?</h3>

By definition, unit conversion refers to the division or multiplication operation used to convert measurements of the same quantity between various units. The act of converting something from one form to another in mathematics, such as from inches to millimetres or from litres to gallons, is known as conversion.

the diameter of venus = 7,523 miles

1 mile = 1.609 km

so,

diameter of venus = 7523 × 1.609 Km

= 12104.507Km

to learn more about unit conversion go to - brainly.com/question/13016491

#SPJ4

6 0
1 year ago
How does the flatter design make sweeping the floor easier
Ratling [72]

Answer:

there will be no cracks so the trash won't get stuck

5 0
2 years ago
A light bulb uses 0.5 amperes from a source of 120 volts. How much power is used by the bulb? 
Sladkaya [172]

Power = voltage(V) * current(I)

          = 120 * 0.5

Power = 60 watts

8 0
3 years ago
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