physics

Would it be possible for somebody to explain how I can solve this problem?

Question

The diagram shows a uniform horizontal beam of negligible mass, 5.0 m long, placed on two supports, one at each end. It has a 300 N weight placed 1.0 m from one end and a 500 N

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General Physics 7 years 1 Answer 1475 views

Pendulum Experiment help?

Question

Was wondering if anyone could me or give me some pointers/help So I am about to carry out the pendulum experiment, changing the length of the string. So I need to plot the graph of T^2 against L including ...

General Physics 7 years 0 Answers 1559 views

Three resistors are connected. The potential difference between points A and B is 26 V.?

Question

What is the equivalent resistance between the points A and B?

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General Physics 7 years 1 Answer 989 views

Heisenberg Uncertainty Principle?

Question

When physicists say there is a so-and-so chance that a particle is in a particular place, do they mean… 1) that the particle has an exact location, but the best they can do with their crude measurements is ...

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General Physics 7 years 1 Answer 1024 views

If you’re in a diving pool 3 meters deep, why do your ears hurt if you swim to the bottom?

Question

Okay I actually know it’s the density of the water, but you wouldn’t think the pressure difference would be that great in only 3 meters, how great is the pressure difference and do you have a basic ...

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General Physics 7 years 2 Answers 3259 views

How many calories are necessary to change 250 g of ice to water at 20 degree Celsius?

Question

How many calories are necessary to change 250 g of ice to water at 20 degree Celsius?

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General Physics 7 years 1 Answer 1023 views

3.8 kilograms of water are changed from ice at 0˚C into liquid water at 0˚C?

Question

3.8 kilograms of water are changed (a) from ice at 0˚C into liquid water at 0˚C (b) from liquid water at 100˚C into steam at 100˚C. For each situation, determine the change in mass ...

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General Physics 7 years 1 Answer 2711 views

AS Physics Question – Can Someone Please Help ?

Question

A metal Sphere has a radius of 3.0 mm and a Mass of 0.96 g. Calculate the volume of the Sphere and then the Density of the metal?

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General Physics 7 years 1 Answer 1008 views

Was the original (conventional) kilogram a weight of something?

Question

We say kg is for mass and Newton is for weight, but was a kg originally the weight of smt when scientists defined it or could they get gravity out of the picture somehow?

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General Physics 7 years 1 Answer 1733 views

How much heavier is the proton compared to the electron?

Question

How much heavier is the proton compared to the electron? Choose the best answer from the options below: A 10 times B 180 times C 1,000 times D 1,800 times E 2 million times

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General Physics 7 years 1 Answer 992 views

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