Answer:
Height reached by the ball, h = 3.57 meters
Explanation:
It is given that,
Mass of the disk, m = 42 kg
Diameter of the disk, d = 3.2 m
Radius, r = 1.6 m
Angular speed of the disk, 
The kinetic energy of the disk is equal to its potential energy. Using the conservation of energy as :
h = 3.57 meters
So, the solid disk will reach to a height of 3.57 meters.
Here, "Ultraviolet waves" has the shortest wavelength
In short, Your Answer would be Option B
Hope this helps!
Explanation:
(a) Formula to calculate the capacitance is as follows.
Now, putting the given values into the above formula as follows.
= 0.291
or, 
= ln (0.291)
= -1.23
C = 0.729 F
Hence, the value of capacitance is 0.729 F.
(b) Formula to calculate the constant of circuit is as follows.
T = 
= 
= 2.259 sec
Therefore, the time constant of the circuit is 2.259 sec.
Answer:
Hey there
Your answer should be Joules, Watts, and J/s.
The joule
The joule (pronounced jool) is a derived unit of energy in the International System of Units. It is equal to the energy transferred to (or work done on) an object when a force of one newton acts on that object in the direction of the force's motion through a distance of one metre (1 newton-metre or N⋅m). It is also the energy dissipated as heat when an electric current of one ampere passes through a resistance of one ohm for one second. It is named after the English physicist James Prescott Joule (1818–1889).
The Watt
The watt (symbol: W) is a unit of power or radiant flux. In the International System of Units (SI), it is defined as a derived unit of (in SI base units)[1][2] 1 kg⋅m2⋅s−3 or, equivalently,[3] 1 joule per second (J/s). It is used to quantify the rate of energy transfer. The watt is named after James Watt (1736-1819), an 18th-century Scottish inventor.
I beg your parden
If I am correct may I please have the brainly
Answer and Explanation:
They are both correct.
This is because potential energy is when there is potential for the object to have energy, while kinetic energy is energy that is moving already.
So, as the ball falls, it loses its potential energy, or "still/Stalled" energy, and gains kinetic energy, or moving energy.
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