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gladu [14]
3 years ago
14

Write some interesting facts about isaac newton

Physics
1 answer:
Hatshy [7]3 years ago
8 0

Sir Isaac Newton was an English Mathematician,physicist,astronomer,theologian and author who is widely recognized as one of the most influential scientist of all time because of his discovery of gravity(force that attracts a body toward center of earth).

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What is one example of the use of an infrared sensor? A. detecting the presence of humans trapped under collapsed buildings. B.
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4 years ago
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An instructor wishes to determine the wavelength of the light in a laser beam. To do so, he directs the beam toward a partition
Morgarella [4.7K]

Answer:

λ = 610.6 nm

Explanation:

We are given;

Separation distance; d = 0.195 mm = 0.195 × 10^(-3) m

Interference pattern distance; D = 4.95 m

Width of the two adjacent bright interference; β = 1.55 cm = 1.55 × 10^(-2) m

Formula for the Fringe width is;

β = Dλ/d

Where;

λ is laser's wavelength

Thus;

λ = (d × β)/(D)

λ = (0.195 × 10^(-3) × 1.55 × 10^(-2))/4.95

λ = 610.6 × 10^(-9) m

λ = 610.6 nm

5 0
3 years ago
What are the characteristics of Parallel circuit??<br>​
NikAS [45]

Answer:

A parallel circuit has two or more paths for current to flow through.

Voltage is the same across each component of the parallel circuit.

The sum of the currents through each path is equal to the total current that flows from the source.

Explanation:

6 0
2 years ago
A particle with mass 1.09 kg oscillates horizontally at the end of a horizontal spring. A student measures an amplitude of 0.985
e-lub [12.9K]

Answer:

a) f = 0.598\,hz, b) v_{max} = 3.701\,\frac{m}{s}, c) k = 15.385\,\frac{N}{m}, d) U = 1.081\,J, e) K = 6.382\,J, f) v\approx 3.422\,\frac{m}{s}

Explanation:

a) The frequency of oscillation is:

f = \frac{76}{127\,hz}

f = 0.598\,hz

b) The angular frequency is:

\omega = 2\pi \cdot f

\omega = 2\pi \cdot (0.598\,hz)

\omega = 3.757\,\frac{rad}{s}

Lastly, the speed at the equilibrium position is:

v_{max} = \omega \cdot A

v_{max} = (3.757\,\frac{rad}{s} )\cdot (0.985\,m)

v_{max} = 3.701\,\frac{m}{s}

c) The spring constant is:

\omega = \sqrt{\frac{k}{m}}

k = \omega^{2}\cdot m

k = (3.757\,\frac{rad}{s} )^{2}\cdot (1.09\,kg)

k = 15.385\,\frac{N}{m}

d) The potential energy when the particle is located 38.1 % of the amplitude away from the equilibrium position is:

U = \frac{1}{2}\cdot (15.385\,\frac{N}{m} )\cdot (0.375\,m)^{2}

U = 1.081\,J

e) The maximum potential energy is:

U_{max} = \frac{1}{2}\cdot (15.385\,\frac{N}{m} )\cdot (0.985\,m)^{2}

U_{max} = 7.463\,J

The kinetic energy when the particle is located 38.1 % of the amplitude away from the equilibrium position is:

K = U_{max} - U

K = 7.463\,J - 1.081\,J

K = 6.382\,J

f) The speed when the particle is located 38.1 % of the amplitude away from the equilibrium position is:

K = \frac{1}{2}\cdot m \cdot v^{2}

v = \sqrt{\frac{2\cdot K}{m} }

v = \sqrt{\frac{2\cdot (6.382\,J)}{1.09\,kg} }

v\approx 3.422\,\frac{m}{s}

4 0
3 years ago
A lever is used to lift a heavy weight. The length of the input arm of the lever is 3 m, the length of output arm is 1 m.
Romashka-Z-Leto [24]

Answer: 13inch

Explanation:

8 0
3 years ago
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