Two single charged ions moving perpendicularly to a uniform magnetic field (B = 0.40 T) with speeds of 5 000 km/s follow circular paths that differ in diameter by 5.0 cm. What is the difference in the mass of these two ions?
a. 2.6 × 10^?28 kg
b. 6.4 × 10^?28 kg
c. 3.2 × 10^?28 kg
d. 5.1 × 10^?28 kg
e. 1.1 × 10^?28 kg
c
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Rotational Kinetic Energy: Suppose a uniform solid sphere of mass M and radius R rolls without slipping down an inclined plane starting from rest. The linear velocity of the sphere at the bottom of the incline depends on
A. the mass of the sphere. B. the radius of the sphere. C. both the mass and the radius of the sphere. D. neither the mass nor the radius of the sphere.
Why is spectral intensity not diminished by the distance from the source of radiation?
What will be an ideal response?
We find from Gauss's law that the flux through a closed surface
A. is proportional to the net charge enclosed. B. is inversely proportional to the net charge enclosed. C. is proportional to the square root of the charge enclosed. D. is zero. E. is less the larger the closed surface.
Acetic acid consists of a(n) ______________ group attached to a carboxyl group
a. amino b. methyl c. hydroxyl d. ethyl