Answer:
Momentum
Explanation:
Heisenberg uncertainty principle says it is <em>uncertain to find the momentum and position of a particle at the same time. there must be some uncertainty.</em>
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It means decreasing the position value will increase the momentum value while decreasing the momentum value will increase the position value.
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Answer:
h = 104.13 m
Explanation:
Given that,
Horizontal velocity of the car, v = 13 m/s
It hits the ground 60 m from the shoreline
We need to find the height of the cliff. Let t be the time of fall. We can find it as follows :
So, the time of fall is 4.61 seconds.
Let h is the height of the cilff. Using second equation of motion to find it as follows :
So, the height of the cliff is 104.13 m.
Answer:
No .
Explanation:
The vapor pressure of water at room temperature is .0313 atom or 3.13 kPa.
To make a liquid boil, its vapor pressure must be equal to pressure around it.
So pump must create pressure of 3.13 k Pa or less to make water attain its stage of boiling at room temperature. As the motor can not produce pressure lesser than 15 k Pa , pump will not be able to make water boil at room temperature.
Explanation:
Given
Ball is projected horizontally from a building of height
time taken to reach ground is given by
(b) Line joining the point of projection and the point where it hits the ground makes an angle of
From the figure, it can be written
Considering horizontal motion
(c) The vertical velocity with which it strikes the ground is given by
Thus, the ball strikes with a vertical velocity of
I believe we live in the Cenozoic era
We live in the Holocene Epoch, of the Quaternary Period, in the Cenozoic Era (of the Phanerozoic Eon).