Answer:
Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion.
Explanation:
Hence, the slightest change in temperature is notable when it's used in a thermometer. It also has a high boiling point which makes it very suitable to measure higher temperatures.
Hope this helps :)
Answer:
How far horizontally from point A does the ball hit the floor d= 5 m
Explanation:
By law of conservation of energy we can say that
final Kinetic energy kf+ final potential energy Uf= initial Kinetic energy ki+ initial potential energy Ui
We know that the ball has Uf, the ball at the bottom and no Ki ,the ball at initial state
therefore,
Kf= Ui
therefore,
MOI for Solid ball =
=
Now substituting the values to get value of V
V= 7.48 m/s
now to calculate How far horizontally from point A does the ball hit the floor
h=
2=
t=0.6385 sec
now horizontal distance d= vt = 0.6385×7.48= 5.00 m
You can decrease the mass, or you can increase the force applied to the object
Answer:
<em>Refraction is the change in direction of waves that occurs when waves travel from one medium to another. ... Diffraction is the bending of waves around obstacles and openings. The amount of diffraction increases with increasing wavelength.</em>