Recent questions in Physics

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Is the result of horizontal differences in air pressure. O A pressure gradient force O An isobar O Wind O The jet stream

Hanan asked Oct 18, 2024

by Hanan

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A pure gold coin contains 0.140 mol of gold. What is its mass?

Giuseppe Marra asked Oct 18, 2024

by Giuseppe Marra

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What is the conversion factor from MM to NM (millimeter to nano meter)?

Ruwen asked Oct 18, 2024

by Ruwen

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a girl attempts to swim directly across a stream 15 meters wide. when she reaches the other side, she notices she also drifted 15 meters downstream. the magnitude of her displacement is closest to...

Jim Thomas asked Oct 18, 2024

by Jim Thomas

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99.5k views

According to the kinetic molecular theory, which of the following statements accurately describes the particles within a sample of gas at a consistent temperature and volume? A) They possess negligible

Virat Kadaru asked Oct 18, 2024

by Virat Kadaru

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140k views

Why did certain bipedal dinosaurs invariably have long tails if they had long necks? a) To counterbalance the weight of the long neck. b) It was a random evolutionary trait. c) Long tails helped in grasping

Kennedy asked Oct 18, 2024

by Kennedy

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In a photoelectric experiment, a parallel beam of monochromatic light with a power of 200 W is incident on a perfectly absorbing cathode of work function 6.25 eV. The frequency of light is just above the

Gifted asked Oct 18, 2024

by Gifted

7.6k points

1 answer

4 votes

2.3k views

A sheet of gold leaf is approximately 1.25 x 10⁻⁵ cm thick. Use the formula V = lwh to find the volume, in cm3, of a sheet of gold that is 2 meters wide and 5 meters long. Write the answer in Scientific

Tyler Jensen asked Oct 18, 2024

by Tyler Jensen

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1 answer

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31.6k views

"Newton's second law of motion (we will cover in Chapter 4) says that the mass of an object times its acceleration is equal to the net force on the object. Which of the following gives the correct units

Jamie White asked Oct 18, 2024

by Jamie White

8.4k points

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1 vote

164k views

An inductor with an inductance of 2.30H and a resistance of 8.00 Ω isconnected to the terminals of a battery with an emf of 6.00 V andnegligible internal resistance. Find the initial rate of increase ofcurrent

Page David asked Oct 18, 2024

by Page David

8.2k points

1 answer

1 vote

162k views

A metal plate used in a mechanical device must have a thickness of 0.02 inch, with an allowable error of 1. What is the maximum and minimum thickness of the metal plate?

Yudijohn asked Oct 18, 2024

by Yudijohn

8.5k points

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110k views

If you saw this key signature, what key would you expect to hear? 1) e flat major 2) flat major 3) major 4) f major

Shemar asked Oct 18, 2024

by Shemar

8.1k points

1 answer

3 votes

88.0k views

Justify the statement: "In terms of energy, low earth orbit is halfway to the edge of the universe".

Doppio asked Oct 18, 2024

by Doppio

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5 votes

104k views

What are the two object which show rotatory motion

Andrew Allbright asked Oct 18, 2024

by Andrew Allbright

7.7k points

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5 votes

91.7k views

How to find the tension in an Atwood machine (physics)? A) By using Newton's third law B) By using Hooke's law C) By using the equilibrium condition D) By using the work-energy principle

Fernando Rojo asked Oct 18, 2024

by Fernando Rojo

8.7k points

1 answer

5 votes

11.2k views

When a positive delta G (positive net free energy)?

Keiwan asked Oct 18, 2024

by Keiwan

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5 votes

96.8k views

What is the difference between energy conservation and the law of conservation of energy? Give some examples of each. a) Energy conservation is the same as the law of conservation of energy; no difference.

Stewsha asked Oct 18, 2024

by Stewsha

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105k views

The units of torque (N⋅m) can be verified as equivalent to the units of A⋅m²T through the equation τ=NIABsinθ. a) N⋅m = A⋅m²T b) N⋅m ≠ A⋅m²T c) N⋅m ≈ A⋅m²T d) N⋅m > A⋅m²T

IMagur asked Oct 18, 2024

by IMagur

8.6k points

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1 vote

36.5k views

Our egg launcher provides a horizontal velocity of 16 m/s and the egg lands 50 m from a point directly below the launcher. What is the horizontal velocity of the egg just before it lands?

Sunmoon asked Oct 18, 2024

by Sunmoon

8.6k points

1 answer

5 votes

95.3k views

The intensity of an earthquake wave passing through the Earth is measured to be 2.5×10⁶ J/m²⋅s at a distance of 50 km from the source. What was its intensity when it passed a point only 1.0 km from the

Latitudehopper asked Oct 18, 2024

by Latitudehopper

8.9k points

1 answer

1 vote

144k views

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