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butalik [34]
3 years ago
14

Which of the following is a compound machine

Physics
2 answers:
Ivahew [28]3 years ago
8 0

The answer is c.

Hope this helps!!!!!!!!!!

Stells [14]3 years ago
3 0
The answer is bicycle
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A light wave from a star has a frequency of 6.67 * 100 Hz and a wavelength of 4.50 x 10 to the power of -7 m.
Juliette [100K]

Answer:

speed =wavelenght x frequency

v=4.5 x 10 to the -7 x 667=0.3 x 10 to the -4 m/s

speed= distance/time

time=distance/speed

t=4 x 10 to the 16/0.3 x 10 to the -4=13.33 x 10 to the 20 seconds

Explanation:

5 0
2 years ago
Calculate the frequency of each of the following wave lengths of electromagnetic radiation. Part A 488.0 nm (wavelength of argon
Drupady [299]

Answer:

A. f=6.1475*10^{14}Hz

B. f=5.9642*10^{14}Hz

Explanation:

The frequency has an inversely proportional relationship with the concept of wavelength, the greater the wavelength, the lower the frequency. For electromagnetic waves, the frequency is equal to the speed of light, divided by the wavelength.

f=\frac{c}{\lambda}

A.

f=\frac{3*10^8\frac{m}{s}}{488*10^{-9}m}\\\\f=6.1475*10^{14}Hz

B.

f=\frac{3*10^8\frac{m}{s}}{503*10^{-9}m}\\\\f=5.9642*10^{14}Hz

7 0
3 years ago
En un circuito de Fórmula 1,un coche es capaz de pasar de 0 a 160 km/h en 8 segundos ¿Cuál es su aceleración?
Marina86 [1]

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4 0
3 years ago
Bonus Points. A ball was thrown straight up in the air from 1.2 meter above the grouind. After 3 seconds the ball returnes to th
nekit [7.7K]

Answer:

Explanation:

given that

Distance above the ground, s = 1.2 m

Time taken by the ball, t = 3 s

Velocity of the ball, v = 1.2/3 = 0.4 m/s

Maximum height reached by the ball is then given by the formula

H = v² / 2g

H = 0.4² / 2 * 9.8

H = 0.16 / 19.6

H = 0.0082 m or rather, 0.82 cm

5 0
3 years ago
Suppose there is a decrease in the supply of lumber. What would we expect to happen to the equilibrium price and quantity of lum
Andrej [43]

Answer:

Price will rise and quantity will fall.

Explanation:

The supply and demand model describes the interaction in the market of a particular good between consumers and producers, in relation to the price and sales of that good. It is the fundamental model of microeconomics, and is also used to explain a wide variety of macroeconomic scenarios.

It states that, in a free and competitive market, the price is determined based on the request for goods and services by consumers and the amount provided by the producers, generating a balance point at which consumers will be willing to acquire everything that producers offer at the price marked by that point, and producers are willing to deliver the levels of production that consumers require, establishing and maintaining a balance point.

Therefore, since there is a lower supply of the product, it may not be enough to meet the total demand and, therefore, if it is more required, increase the price and decrease the quantity.

5 0
3 years ago
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