A beam of singly-charged ions entering a magnetic field are swept into circular paths. The wider paths are those of
A) the lighter ions.
B) the heavier ions.
C) neither particularly.
Answer: B
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The charge on a particle that has quark structure uus is _____ e.
A. 0 B. 1 C. -1 D. 2/3 E. -4/3
A 10,000-kg rocket blasts off from earth with a uniform upward acceleration of 2.00 m/s2 and feels no air resistance. The upward thrust force its engines must provide during this acceleration is closest to
A) 20,000 N. B) 980,000 N. C) 118,000 N. D) 78,000 N.
A) Internal human body temperature is often stated to be normal at 98.6°F. What is this temperature on the Celsius and Kelvin scales?
(b) Gallium boils at 2205°C. What is the corresponding temperature in the Fahrenheit and Kelvin scales? (c) The boiling point of liquid nitrogen is 77.0 K. What is the corresponding temperature in the Fahrenheit and Celsius scales? What will be an ideal response?
A concave spherical mirror with a radius of curvature of 20 cm creates a real image 30 cm from the mirror. How far is the object from the mirror?
A) 20 cm B) 15 cm C) 7.5 cm D) 5.0 cm