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Double the frequency of musical note and you double its
A) wavelength.
B) speed.
C) amplitude.
D) all of the above
E) none of the above
Two tuning forks produce sounds of wavelengths 3.4 meters and 3.3 meters.
Approximately what beat frequency is produced?
A) 0.1 hertz
B) 1.0 hertz
C) 2.0 hertz
D) 3.0 hertz
E) 4.0 hertz
Which produces an interference pattern when directed through two suitably spaced
slits?
A) light
B) sound
C) electrons
D) all of the above
E) none of the above
A ball starting from rest at the top of an inclined plane accelerates at 2 m/s2 and reaches
the bottom of the plane in 3 seconds. What is the length of the plane?
A) 2 m
B) 3 m
C) 5 m
D) 9 m
As two objects moving toward each other due to gravity get closer, the acceleration of
each
A) decreases.
B) remains constant.
C) increases.
A heavy ball hangs by a string, with a second string attached to its bottom. A slow pull
on the bottom string breaks the
A) top string.
B) bottom string.
C) top or bottom string equally.
Electrons that are energized to glow in the filament of a common ac lamp are
A) supplied by a wall outlet.
B) supplied by a wall outlet, which in turn are supplied by your power company.
C) electrons already in the filament.
D) none of the above
Earth continually moves about 30 km/s through space, which means the wall you stand
next to also is moving at 30 km/s. When you jump vertically the wall doesn't slam into
you because
A) the speeds of you and Earth cancel out.
B) you're moving horizontally just as fast as the wall.
C) your upward motion is small compared with Earth's speed.
D) motion of the Sun counteracts your motion.
Two charged particles repel each other with a force F. If the charge of both particles is
tripled and the distance between them is also tripled, then the force will be
A) F.
B) 2 F.
C) F/2.
D) F/4.
E) none of the above
If no molecular collisions occurred in a sample of gas, temperature of the gas would
A) increase.
B) decrease.
C) be unaffected.
If sunlight were green instead of white, the most comfortable color to wear on a hot day
would be
A) magenta.
B) yellow.
C) green.
D) blue.
E) violet.
When red, green, and blue lights shine on a golf ball, the shadows cast are
A) red, green, and blue.
B) black.
C) magenta, cyan, and yellow.
D) none of the above
If an apple experiences a constant net force, it will have a constant
A) velocity.
B) speed.
C) acceleration.
D) position.
E) more than one of the above
Compared with hang time on Earth, hang time on the Moon would be
A) less.
B) the same.
C) greater.
Various singly-ionized atomic nuclei of the same speed are directed into a magnetic
field in a mass spectrometer where they are deflected and strike a detecting screen. The
particles most strongly deflected are those of
A) least mass.
B) greatest mass.
C) same for all
A feather and a coin will have equal accelerations when falling in a vacuum because
A) their velocities are the same.
B) the force of gravity is the same for each in a vacuum.
C) the force of gravity does not act in a vacuum.
D) the ratio of both the feather's and coin's weight to mass is the same.
E) none of the above
What does c2 have in common with γ?
A) they are both proportionality constants
B) they have similar numerical values
C) they both involve different kinds of speed
D) all of the above
Sara lies on a bed of sharp nails without harm because
A) many of the nails don't make contact with her body.
B) her weight is distributed over hundreds of nails.
C) she exercises mind over matter.
D) none of the above
Fire a cannonball with enormous speed from a hypothetical cannon and it curves due to
gravity. Shine a light from a flashlight parallel to the cannon and it
A) follows a straight-line path.
B) curves downward as much as the cannonball.
C) curves slightly upward.
The universal gravitational constant G was first measured
A) before Newton's time.
B) by Newton himself.
C) after Newton's time.
A paint pigment that absorbs blue light and gives off red light
A) is fluorescent.
B) is phosphorescent.
C) can be both of these
D) neither of these
The number of electrons delivered daily to an average American home by an average
power utility in the early 21st century was
A) zero.
B) 110.
C) 220.
D) billions of billions.
E) none of the above
Figure M-1
Which of the two identical pyramids is exerting the most pressure on the floor?
1) A
2) B
3) both the same
The reason for this is that
4) they both have the same weight.
5) the heaviest part of the pyramid is closer to the floor.
6) the weight is distributed over a smaller area.
7) the weight is distributed over a larger area.
When thorium (A = 90) emits a beta particle, the resulting nucleus has atomic number
A) 88.
B) 89.
C) 90.
D) 92.
E) none of the above
The average speed of a horse that gallops 10 kilometers in 30 minutes is
A) 15 km/h.
B) 20 km/h.
C) 30 km/h.
D) 40 km/h.
An Earth satellite in close orbit circles Earth in about an hour and a half. How long
would a satellite located as far away as the Moon take to orbit Earth?
A) the same hour and a half
B) less than an hour and a half
C) about 28 days
D) need more information
E) none of the above
When a system does work without adding heat, the temperature of the system
A) increases.
B) decreases.
C) remains unchanged.
D) none of the above
The major advantage of MHD generators over conventional generators is that MHD
generators
A) do not use electromagnetic induction.
B) do not require magnets.
C) require no power input.
D) all of the above
E) none of the above
The equivalent resistance of any parallel branch in a circuit is
A) often less than the resistance of the lowest resistor.
B) always less than the resistance of the lowest resistor.
C) usually half the value of the lowest resistor.
D) none of the above
Burl and Paul have a total weight of 1300 N. The tensions in the supporting ropes that
support their scaffold add to 1700 N. The weight of the scaffold itself must be
A) 300 N.
B) 400 N.
C) 500 N.
D) 600 N.
The approximate range of human hearing is
A) 10 hertz to 10,000 hertz.
B) 20 hertz to 20,000 hertz.
C) 40 hertz to 40,000 hertz.
D) none of the above
