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Newton’s rings are observed with a plano-convex lens in contact with a glass plate. The radius of the first ring is 1 mm. If the radius of the convex surface is 4 meters, what is the wavelength of light

Nbeuchat asked Oct 14, 2024

by Nbeuchat

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Distinguish between cyclopegic refraction and manifest refraction .

Theolodus asked Oct 14, 2024

by Theolodus

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Consider the physical quantities m, s, v, a, t, and r with dimensions [m] = M, [s] = L, [v] = LT–1, [a] = LT–2, [t] = T, and [r] = L. Assuming each of the following equations is dimensionally consistent,

Nmsdvid asked Oct 14, 2024

by Nmsdvid

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Near the center of our galaxy, hydrogen gas is moving directly away from us in its orbit about a black hole. We receive 1900 nm electromagnetic radiation and know that it was 1875 nm when emitted by the

Adamrothman asked Oct 14, 2024

by Adamrothman

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3 votes

80.1k views

A certain lightning bolt moves (40.0 , C) of charge. How many fundamental units of charge (|qₑ|) is this? a) (2.5 X 10¹9) fundamental units b) (2.5 X 10²0) fundamental units c) (2.5 X 10²1) fundamental

Jeanmarie asked Oct 14, 2024

by Jeanmarie

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Prove that the acceleration due to gra vity is indepent of the mass of the talling body?

Kavindu Dissanayake asked Oct 14, 2024

by Kavindu Dissanayake

8.2k points

1 answer

1 vote

40.2k views

What is the equation you get whenever you combine the top 2 equations: x + 4y – 3z = -7 2x – 4y + 4z = 2 -6x + 4y + 4z = -14 A) x - 5y + z = -5 B) x + 5y + z = -5 C) x - 5y + z = -2 D) x + 5y + z = -2

Keishan asked Oct 14, 2024

by Keishan

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30.6k views

A steel strip, clamped at one end, undergoes vibrations with a frequency of 20 Hz and an amplitude of 5 mm at the free end where a small mass of 2 g is positioned. Calculate the velocity of the end when

Kateryna Khotkevych asked Oct 14, 2024

by Kateryna Khotkevych

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1 answer

4 votes

174k views

When the speed of a moving object is halved: a) Its kinetic energy is halved b) Its potential energy is halved c) Its rest energy is halved d) Its momentum is halved

Ldgabbay asked Oct 14, 2024

by Ldgabbay

7.6k points

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3 votes

95.1k views

With independent parallelism there is an explicit synchronization among processes.

Haris Hamdani asked Oct 14, 2024

by Haris Hamdani

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1 answer

0 votes

71.6k views

What is the velocity of a turtle that travels 0.35m in 2s?

REW asked Oct 14, 2024

by REW

7.5k points

1 answer

4 votes

153k views

Eclipses happen when the Sun, Moon, Earth, or ______ temporarily blocks the sunlight from reaching the other. a) Stars b) Comets c) Asteroids d) Satellites

Joar Leth asked Oct 14, 2024

by Joar Leth

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(c) The angular velocity of a disc of mass 3 kg and radius 0.6 m changes from 10 rev/s to 15 rev/s in 0.07 s. Calculate the impulse and the torque on the disc.

Nii Laryea asked Oct 14, 2024

by Nii Laryea

8.1k points

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208k views

A marble rolls down a slope at 10m/s and its kinetic energy is 2 joules. a) Physics experiment b) Energy conservation analysis c) Mathematical calculation

Nesiseka asked Oct 14, 2024

by Nesiseka

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1 vote

56.2k views

How many calories heat would it take to heat 19.0 g of water from 31.0°C to 55°C? Option 1: 342 calories Option 2: 570 calories Option 3: 684 calories Option 4: 912 calories

SaiGiridhar asked Oct 14, 2024

by SaiGiridhar

7.6k points

1 answer

2 votes

176k views

The blank by which water blank through the blank and blank

Andrea Parodi asked Oct 14, 2024

by Andrea Parodi

7.9k points

1 answer

4 votes

108k views

How is a flourometer different than a spectrophotometer?

Ankur Banerjee asked Oct 14, 2024

by Ankur Banerjee

8.1k points

1 answer

0 votes

111k views

A two-dimensional shape (grey region) is shown below, and is made of a material with uniform density. Each grid square in the diagram is d = 1.55 meters on a side. Calculate the x-coordinate of the shape's

Sassan asked Oct 14, 2024

by Sassan

9.3k points

1 answer

2 votes

66.0k views

The weight of a person on a planet A is about half that on the Earth. He can jump up to 0.4 m height on the surface of the Earth. How high can he jump on planet A? (a) 0.2 m (b) 0.4 m (c) 0.8 m (d) 1.6

Singmotor asked Oct 14, 2024

by Singmotor

9.1k points

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1 vote

190k views

How much force is needed to accelerate a 768 kilogram car 7 meters per second/per second?

Korhan asked Oct 14, 2024

by Korhan

8.1k points

1 answer

5 votes

151k views

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