A mass spectrometer is being used to separate common oxygen−16 from the much rarer oxygen−18, taken from a sample of old glacial ice. (The relative abundance of these oxygen isotopes is related to climatic temperature at the time the ice was deposited.) The ratio of the masses of these two ions is 16 to 18, the mass of oxygen-16 is 2 .66×10 − 26 kg , and they are singly charged and travel at 5.00 × 10 6 m/s in a 1.20−T magnetic field. What is the separation between their paths when they hit a target after traversing a semicircle?
A mass spectrometer is being used to separate common oxygen−16 from the much rarer oxygen−18, taken from a sample of old glacial ice. (The relative abundance of these oxygen isotopes is related to climatic temperature at the time the ice was deposited.) The ratio of the masses of these two ions is 16 to 18, the mass of oxygen-16 is 2 .66×10 − 26 kg , and they are singly charged and travel at 5.00 × 10 6 m/s in a 1.20−T magnetic field. What is the separation between their paths when they hit a target after traversing a semicircle?
A mass spectrometer is being used to separate common oxygen−16 from the much rarer oxygen−18, taken from a sample of old glacial ice. (The relative abundance of these oxygen isotopes is related to climatic temperature at the time the ice was deposited.) The ratio of the masses of these two ions is 16 to 18, the mass of oxygen-16 is
2
.66×10
−
26
kg
, and they are singly charged and travel at
5.00
×
10
6
m/s
in a 1.20−T magnetic field. What is the separation between their paths when they hit a target after traversing a semicircle?
A beam of alpha-particles of energy 7.3MeV is used.The protons emitted at an angle of zero degree are found to have energy of 9.34MeV.Find the Q-value of this reaction .
An aluminum rod and a copper rod have the same length of 100cm at 5C. At what temperatures would one of the rods be 0.5 mm longer than the other? Which rod is longer at such temperature?
ROTATIONAL DYNAMICS
Question 01
A solid circular cylinder and a solid spherical ball of the same mass and radius are rolling
together down the same inclined. Calculate the ratio of their kinetic energy. Assume pure
rolling motion Question 02
A sphere and cylinder of the same mass and radius start from ret at the same point and more
down the same plane inclined at 30° to the horizontal
Which body gets the bottom first and what is its acceleration
b) What angle of inclination of the plane is needed to give the slower body the same
acceleration
Question 03
i)
Define the angular velocity of a rotating body and give its SI unit
A car wheel has its angular velocity changing from 2rads to 30 rads
seconds. If the radius of the wheel is 400mm. calculate
ii)
The angular acceleration
iii)
The tangential linear acceleration of a point on the rim of the wheel
Question 04
in 20
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