A hockey puck of mass 0.16 kg is slapped so that its velocity is 50 m/sec. It slides 40 meters across the ice before coming to rest. How much work is done by friction on the puck?
Answer
+4 J
–60 J
–200 J
–340 J
Question 2
Question
What is the name for motion without rotation?
Answer
transitional motion
translational motion
non-rotational motion
ambiguous motion
Question 3
Question
Name this formula: ΔV = βVΔT
Answer
formula for change in velocity
formula for defining vectors
formula for change in valence
formula for volume expansion of solids and liquids
Question 4
Question
What is the common name for the point at which the total force due to gravity can be said to be acting?
Answer
center of motion
gravitational resistance
center of gravity
center of resistance
Question 5
Question
What is resistivity?
Answer
intrinsic resistance to current flow in a material
intrinsic acceleration of current flow in a material
intrinsic indifference to current flow in a material
intrinsic amplification of current flow in a material
Question 6
Question
What is it called when waves are in phase and their amplitudes add together?
Answer
occlusion
constructive interference
collusion
destructive interference
Question 7
Question
What is another name for the ratio of an image’s height to the height of the object it represents?
Answer
ramification
magnification
nullification
resolution
Question 8
Question
In regard to a string, what is the fundamental frequency?
Answer
the highest frequency the string can support
the median frequency the string can support
the best frequency the string can support
the lowest frequency the string can support
Question 9
Question
What kind of oscillation occurs when particles move in the direction of the wave motion?
Answer
latitudinal
unusual
longitudinal
atypical
Question 10
Question
Which law states that the voltage drop across a resistor is proportional to the current carried?
Answer
Mimm’s law
Ohm’s law
Planck’s law
Heisenberg’s law
Question 11
Question
What is electrostatic force?
Answer
static electricity
the force that exists between stationary charges
the force that exists between moving charges
the force that exists when one charge is moving and the other is stationary