I wasn't there observing the experiment while you and your class
performed it, so I don't really know how it was set up, or what
happened.
But I can tell you this: Light doesn't bend while passing through
any medium. It only bends at the boundary where one medium
meets a different one.
Answer:
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Answer:
Explanation:
Newton’s second law states that the acceleration a of an object is proportional to the force F acting on it is inversely proportional to its mass m. The mathematical expression for the second law of motion is given by :
F = m × a
F is the applied force
m is the mass of the object
a is the acceleration due to gravity
We need to find the dimensions of force. The dimension of force m and a are as follows :
So, the dimension of force F is, . Hence, this is the required solution.
Answer:
Explanation:
<u>Temperature Scales
</u>
There are three temperature scales in the modern sciences: Fahrenheit, Celsius, and Kelvin. Fahrenheit temperature scale assigns the value 32 for the freezing point of water and 212 for the boiling point of water and divides that interval into 180 parts. Celsius scale has a similar reference, giving 0 to the freezing point of water and 100 for the boiling point of water. The conversion between them is as follows
The coldest temperature yet measured on the surface of any body in the solar system is -235°C. Converting to Fahrenheit
Answer:
N = 13.65 rpm
Explanation:
given data
radius = 11 m
centripetal acceleration = 2.3 times that due to gravity
to find out
how many revolutions per minute
solution
we know here centripetal accel = 2.3 × g
ω²r = 2.3 × 9.8
ω² × 11 = 2.3 × 9.8
solve it we get
ω² = 2.0490
ω = 1.43 rad/s
and
ω =
1.43 =
solve it we get
N = 13.65 rpm