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Hitman42 [59]
4 years ago
7

In the 1660s, who discovered that color is a direct function of light by passing sunlight through a prism and observing the band

s of spectrum of colors?
Physics
1 answer:
Mnenie [13.5K]4 years ago
5 0
<span>Sir Isaac Newton was the one who discovered that color is a </span><span>direct function of light by passing sunlight through a prism and observing the bands of the spectrum of colors through his newton of laws.</span>
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How do we know that salt mixing with water is not a chemical change?
taurus [48]

Explanation:

In contrast, dissolving a covalent compound like sugar does not result in a chemical reaction. When sugar is dissolved, the molecules disperse throughout the water, but they do not change their chemical identity.

5 0
3 years ago
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Un tractor halando un carretón cargado con caña de azucar, viaja por el camino recto de una finca a una velocidad de 20 km/h. Si
Sidana [21]

Translation

A tractor pulling a cart loaded with sugar cane travels down the straight path of a farm at a speed of 20 km / h. If at 3:00 p.m.you pass the Finca Las Margaritas, what time will you arrive at the Las Ilusiones farm, located on the same road, if the distance between the two farms is 60 km

Answer:

6.00 pm

Explanation:

Speed is given by dividing distance by time and expressed as s=d/t. Making time the subject of the formula then t=d/s where s is the speed, d is distance covered and t is the time taken. Substituting 20 km/h for s and 60 km for d then t=60/20=3 hours

Adding 3 hours to 3 pm we get 6pm

Therefore, the time to reach the destination if the speed is constantly maintained is 6.00 pm

4 0
3 years ago
HIIIIII I NEED HELPPPPPP
nika2105 [10]

Answer:

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3 years ago
What is Albert Einstein’s contribution to the understanding of nuclear energy?
Phoenix [80]
Einstein's equations showed that matter could be converted into energy; and vice-versa
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3 years ago
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A mass is attached to the end of a spring and set into oscillation on a horizontal frictionless surface by releasing it from a c
Aneli [31]

Answer

given,

x = (3.9 cm)sin[(9.3 rad/s)πt]

general equation of displacement

x = A sin ω t

A is amplitude

now on comparing

c) Amplitude  =3.9 cm

a) frequency =

     f = \dfrac{\omega}{2\pi}

     f = \dfrac{9.3\pi}{2\pi}

           f = 4.65 Hz

b) period of motion

        T= \dfrac{1}{f}

        T= \dfrac{1}{4.65}

        T = 0.215 s

d) time when displacement is equal to x= 2.6 cm

x = (3.9 cm)sin[(9.3 rad/s)πt]

2.6 = (3.9 cm)sin[(9.3 rad/s)πt]

sin[(9.3 rad/s)πt] = 0.667

9.3 π t = 0.73

t = 0.025 s

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3 years ago
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