In this diagram, heat energy is being added over time. The vertical axis shows an increase in temperature, and the horizontal ax
is shows the passage of time. What is happening to the temperature at Point B?
1. The temperature is rising as the molecules break apart from each other.
2. The temperature is not rising because the heat is being used to break the connections between the molecules.
3. The temperature is dropping as the molecules break apart from each other.
4. The temperature is not rising because the molecules are slowing down.
1. The temperature is rising as the molecules break apart from each other.
2. The temperature is not rising because the heat is being used to break the connections between the molecules.
3. The temperature is dropping as the molecules break apart from each other.
4. The temperature is not rising because the molecules are slowing down.
1 answer:
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Answer:
speed of golf ball is 1.15 × m/s
and % of uncertainty in speed = 2.07 × %
Explanation:
given data
mass = 45.9 gram = 0.0459 kg
speed = 200 km/hr = 55.5 m/s
uncertainty position Δx = 1 mm = m
to find out
speed of the golf ball and % of speed of the golf ball
solution
we will apply here heisenberg uncertainty principle that is
uncertainty position ×uncertainty momentum ≥ ......1
Δx × ΔPx ≥
here uncertainty momentum ΔPx = mΔVx
and uncertainty velocity = ΔVx
and h = 6.626 × Js
so put here all these value in equation 1
× 0.0459 × ΔVx =
ΔVx = 1.15 × m/s
and
so % of uncertainty in speed = ΔV / m
% of uncertainty in speed = 1.15 × / 55.5
% of uncertainty in speed = 2.07 × %