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sesenic [268]
3 years ago
7

the frequency of green light is 6×101^4 what is it's wavelengththe frequency of green light is 6 x 10 raise to power 14 what is

its wavelength ​
Physics
1 answer:
vladimir1956 [14]3 years ago
5 0

Answer:

5×10^-7m

Explanation:

Known/Given:

speed of light, c = 3.00 x 10^8 m/s

frequency, ν = 6 x 10^14 Hz

Equation:

c = λν

Solution:

To solve for wavelength,

λ, rearrange the equation so that

λ = c/ν.

λ = (3.00 x 10^8m/s)/(6 x 10^14/s) = 5×10^−7m

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URGENT
Advocard [28]

Answer:

give \\ mass(m) = 1350kg  \\ acceleration(a) = 1ms {}^{ - 2}  \ \\ sln\ \\  from \: our \: formula \\  \: f = ma \\1350kg \times 1ms {}^{ - 2}  \\ f = 1350newton

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5 0
3 years ago
On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. Immediatel
Akimi4 [234]

Answer:48.2 Joules

Explanation:

Given

two masses of 0.2 kg and 0.4 kg collide with each other

after collision 0.2 kg deflect 30 north of east and 0.4 kg deflects 53.1 south of east

Velocity of 0.2 kg mass is

v_{0.2}=12\cos (30)\hat{i}+12\sin (30)\hat{j}

|v_{0.2}|=11.99 m/s\approx 12 m/s

Velocity of 0.4 kg mass

v_{0.4}=13\cos (53.1)\hat{i}-12\sin (53.1)\hat{j}

|v_{0.4}|=12.99 m/s\approx 13 m/s

Thus total Kinetic energy =\frac{0.2\times 12^2}{2}+\frac{0.4\times 13^2}{2}

Kinetic energy=48.2 J

8 0
3 years ago
Starting at 1.3 m/s, a runner accelerates at a constant 0.22 m/s2 for 6.0 s. What is the runner’s displacement during this time
Anettt [7]

Answer:

answer is 11.76 meter

Explanation:

use 2nd equation of motion

S=ut+1/2at^2

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