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xenn [34]
3 years ago
5

What is the difference between speed and velocity?

Physics
1 answer:
mixer [17]3 years ago
8 0
  • Speed is the rate of change of distance with time while velocity is the rate of change of displacement with time.
  • Speed is a scalar quantity while velocity is a vector quantity.
  • Speed cannot be negative but velocity can be negative.

Hope you could get an idea from here.

Doubt clarification - use comment section.

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Helium gas at 20 °C is confined within a rigid vessel. The gas is then heated until its pressure is doubled. What is the final t
victus00 [196]

Answer:

586 K

Explanation:

Let P is the initial pressure.

Initial temperature, T₁ = 20°C = 293 K

Final pressure, P₂ = 2P

We need to find the final temperature of the gas.

The relation between the pressure and the temperature is as follows

P\propto T\\\\or\\\\\dfrac{P_1}{P_2}=\dfrac{T_1}{T_2}

Put all the values,

\dfrac{P}{2P}=\dfrac{293}{T_2}\\\\\dfrac{1}{2}=\dfrac{293}{T_2}\\\\T_2=2\times 293\\\\T_2=586\ K

So, the final temperature of the gas is 586 K.

4 0
3 years ago
Restless tectonic plates move (shift) between one and fifteen centimeters per __________. 1)year 2)month 3)day 4)minute
Alina [70]
1(year is the answer


4 0
3 years ago
Read 2 more answers
How has the diversity of mammals changed through time do you see any realtionship with how reptiles diversity had changed
sweet [91]
<span>The answer is simply that evolution takes a long time to make big changes. To see evidence of that, you have to look at older records. You have to look at fossils.</span>
6 0
3 years ago
Can some one help me please and thanks
nataly862011 [7]

Answer:

The way in which objects exert forces on each other is described by Newton’s 3rd law of motion

Explanation:

Objects with mass exert forces on each other via the force of gravity. This force is proportional to the mass of the two interacting objects and is inversely proportional to the square of the distance between them. The factors G, M, and rare the same for all masses at the surface of the Earth.

4 0
3 years ago
Help me please!<br> What is the velocity of a 0.1 kg baseball whose momentum is 100?
Nikitich [7]

Answer:

1000m/s

Explanation:

velocity(v)=momentum(p)/mass

=100/.1

=1000m/s

3 0
3 years ago
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