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Anna007 [38]
3 years ago
6

The unit of area is derived unit why​

Physics
2 answers:
PtichkaEL [24]3 years ago
8 0
Because it’s a product of two more basic units. The basic unit of area is the cubic meter for volume. By derived unit it refers to any given quantity which cannot be measured directly.

:]
nalin [4]3 years ago
6 0
A derived unit is called so because it is the product of two more basic units. The basic unit of area is the cubic meter (m³) for volume. By derived unit, it refers to any given quantity which cannot be measured directly with any device.
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What happens when a population exceeds its carrying capacity?
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Mateo’s parents are thinking about investing money to help develop a new fusion power plant. Which issue is most important to co
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Why would a red apple appear black if you looked at it through a blue filter?
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 <span>Because the reflected red light from the apple will not pass through the blue filter and since no light gets through it will appear black.</span>
4 0
3 years ago
A bowling ball is far from uniform. Lightweight bowling balls are made of a relatively low-density core surrounded by a thin she
Leni [432]

Answer:

Part a)

I = 17.4 \times 10^{-3} kg m^2

Part b)

I = 14.9 \times 10^{-3} kg m^2

Explanation:

Part a)

Moment of inertia of the core of the ball

I_1 = \frac{2}{5}m_1r_1^2

I_1 = \frac{2}{5}(1.6)((\frac{0.196}{2})^2)

I_1 = 6.14 \times 10^{-3} kg m^2

now the moment of inertia for thin shell

I_2 = \frac{2}{3} m_2r_2^2

I_2 = \frac{2}{3}(1.6)((\frac{0.206}{2})^2)

I_2 = 11.3 \times 10^{-3} kg m^2

now total inertia of the ball is given as

I = I_1 + I_2

I = 17.4 \times 10^{-3} kg m^2

Part b)

Moment of inertia of uniform ball of mass 3.2 kg

I = \frac{2}{5} mr^2

I = \frac{2}{5}(3.2)((\frac{0.216}{2})^2)

I = 14.9 \times 10^{-3} kg m^2

4 0
3 years ago
Q|C Spherical waves of wavelength 45.0 cm propagate outward from a point source. (c) Explain how the phase of the wave at a dist
lbvjy [14]

We are given distance of the center of the source for two waves:

D_{1} =240 cm

D_{2} =60 cm

C) Calculating how their phases compares:

ΔФ240=\frac{D_{2} }{D_{1} } .ΔФ60

\frac{240}{60} .ΔФ60 = 4.ΔФ60

How can you determine a wave's phase?

  • The period, or length of each cycle, is determined by dividing the frequency by 1, so 1/100 corresponds to a period of 0.01 seconds. The phase shift equation is given by ps = 360 * td / p, where td is the time interval between waves, p is the wave period, and ps is the phase shift in degrees.

Phase: The "Phase" of a waveform refers to the location of the moving particle and is expressed in "Radians or degrees."

Phase difference, also known as "Phase angle," is the amount of time that one wave precedes or follows another.

To learn more about Phase of the wave, visit:

brainly.com/question/17095727

#SPJ4

4 0
2 years ago
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