A proton and a deuteron are moving with equal velocities perpendicular to a uniform magnetic field. A deuteron has the same charge as the proton but has twice its mass. The ratio of the acceleration of the proton to that of the deuteron is:
a. 0.5.
b. 1.
c. 2.
d. There is no acceleration in this case.
c
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A highly ionized atom with Z = 5 has only one electron left around it, in its ground state. How much more energy is required to finish the job and have a bare nucleus?
A) 13.1 eV B) 10.9 eV C) 340.0 eV D) 68.0 eV
Choose the correct word(s) that make the statement true. A (lunar, solar) eclipse occurs when the Moon is (new, quarter, gibbous, full) and the ordering of aligned celestial objects is always Sun, Earth, Moon
What will be an ideal response?
The Big Bang was an expansion of matter into empty space
Indicate whether the statement is true or false
An object of mass 2.00 kg is held at a position A, a vertical height of 20.0 m above the ground. Point B is 8.00 m directly below A. Neglect air resistance and use g = 10.0 m/s2
(a) What is the speed of the object at position B when it falls from position A? (b) What is the speed of the object just before it touches the ground? (c) What is the ratio of the total energy of the object at position A to position B?