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Delvig [45]
3 years ago
10

Please help me Thanks!​

Physics
1 answer:
Fiesta28 [93]3 years ago
6 0

l will help and if you get it correctly I will say you are welcome

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A ball rolling on grass has more friction than a ball rolling on tile
Dmitry_Shevchenko [17]

Answer:

When you slide an object there is less friction than when you roll it. an object's acceleration (change in speed) depends on the mass of the object and the amount of force applied on it. an object at rest stays at rest unless a force acts on it. ... A ball rolling on grass has more friction than a ball rolling on tile.

6 0
3 years ago
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A cook preparing a meal for a group of people is an example of
Fudgin [204]
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4 years ago
What pressure in units of torr is equal to 1.14 atm of pressure?
likoan [24]
1 atm / 760torr or 760torr / atm -->
1.14atm / 1 × 760torr / atm = 1.14×760torr = 866.4torr
7 0
4 years ago
A charge of 2.00 μC flows onto the plates of a capacitor when it is connected to a 12.0-V potential source. What is the minimum
uysha [10]

To develop this problem we will apply the concept of energy conservation. For which the work carried out must be equivalent to the potential energy stored on the capacitor. We will start by finding the capacitance to later be able to calculate the energy and therefore the work in the capacitor

C = \frac{Q}{V}

Here,

C = Capacitance

V = Potential difference between the plates

Q = Charge between the capacitor plates

At the same time the energy stored in the capacitor can be defined as,

U = \frac{1}{2} CV^2

We will start by finding the value of the capacitance, so we will have to,

C = \frac{2\mu C}{12.0V}

C = 0.166\mu F

Finally using the expression for the energy we have that,

U = \frac{1}{2} CV^2

U = \frac{1}{2} (0.166\muF)(12.0V)^2

U = 11.0*10^{-6} J

Therefore the minimum amount of work that must be done in charging this capacitor is 11.0*10^{-6} J

8 0
4 years ago
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If it actually hits the ground with a speed of 8.50 m/s , what is the magnitude of the average force of air resistance exerted o
kkurt [141]
Well it will probably never hit the ground try to look over your answer and go from there I hope I helped
8 0
3 years ago
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