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Explain the workings of a mass spectrometer

Charged particles are fired into a magnetic field (perpendicular to the motion of the particles). Using Fleming’s left hand rule, a magnetic force acts centripetally – such that the charged particles e...

Answered by Dan S. • Physics tutor

6167 Views

How deep is the water if it takes a pulse of ultrasound 0.8s to be received back at the boat. the speed of ultrasound is 1600m/s in water

firstly we know how fast the wave is travelling and we know for how long so using our speed equals distance over time equation we can rearange for distance (D= VT).

we can the plug in our...

Answered by Ross C. • Physics tutor

5390 Views

Calculate the frequency of a simple pendulum of length 950 mm. Give answer to an appropriate number of significant figures.

Firstly, we remember that frequency is the reciprocal of the time period. The formula for the time period of a simple pendulum is T=2π*sqrt(l/g)

Secondly,

Answered by Theodore S. • Physics tutor

5278 Views

Is Pluto a planet?
Pluto is officially no longer classed as a planet, and here's why. The International Astronomical Union defined three rules in 2005 that a celestial body (an object observable within space) must follow...
Answered by Connor G. • Physics tutor
2828 Views

What is the equivalence principle of General Relativity and what does it mean?
Einstein introduced the equivalence principle by saying "We ... assume the complete physical equivalence of gravitational field and a corresponding acceleration of the reference system".
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Answered by Andrew M. • Physics tutor
2867 Views

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Top answers

Explain the workings of a mass spectrometer

How deep is the water if it takes a pulse of ultrasound 0.8s to be received back at the boat. the speed of ultrasound is 1600m/s in water

Calculate the frequency of a simple pendulum of length 950 mm. Give answer to an appropriate number of significant figures.

Is Pluto a planet?

What is the equivalence principle of General Relativity and what does it mean?

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