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WorksheetsPhysLab Midterm Exam
Total questions: 27
Worksheet time: 21mins
3 inches is equivalent to how many centimeter?
3.62
7.62
6.62
3.56
2 yard is equivalent to how many inches?
32
72
52
26
Convert: -45.9 C to K:
227.1 K
400 K
0 K
373 K
Convert 20.0oC to Kelvin.
273 K
298 K
293 K
20 K
How many numbers can be in front of the decimal if the number is in correct scientific notation?
Only a Zero
One
Two
Any amount
When we're talking about a pendulum, what does T stand for?
pi
period
length
gravity
What is the unit for the period of a pendulum?
second
meter
m/s/s
Newton
As a pendulum gets longer, what happens to the period?
doesn't change
decreases
increases
At what point in the swing of a pendulum is the bob moving fastest?
at the top of the arc
at the bottom of the arc
Which of these does not affect the period of a pendulum?
length
gravity
mass
What is the unit of length for physics?
newton
joule
lux
meter
A pair of trapeze performers at the circus is swinging from ropes attached to a large elevated platform. Suppose that the performers can be treated as a simple pendulum with a length of 16 m. Determine the period for one complete back and forth cycle. (Useful equations are on the board).
2 sec
12 sec
8 sec
10 sec
Which would have the longest period?
Pendulum A: A 200-g mass attached to a 1.0-m length string
Pendulum B: A 400-g mass attached to a 0.5-m length string
A
B
Same
A pendulum has a length of 4 meters. Determine the period for one complete back and forth cycle. (Useful formulas are on the board)
16 s
4 s
8 s
6 s
The number of cycles that are completed per second is called the _ and is measured in _.
frequency, cycles/second
wavelength, meters
amplitude, meters
period, seconds
The period of an ocean wave is 10 s. What is its frequency?
10 cycle/second
1 cycle/second
0.5 cycle/second
0.1 cycle/second
Which of the following affects the period of a pendulum?
mass
length of the string
tension of the string
shape of the mass on the string
What is the period of a pendulum
how many times the pendulum swings before it stops
how many times the pendulum passes a point in one second
one complete cycle (complete to and fro motion)
the time it takes to complete one full cycle
Where does a pendulum have maximum potential energy?
at the bottom of its arc
at the end of its swing
as it rises up
as it falls
Where does a pendulum have maximum kinetic energy?
at the bottom of its arc
at the end of its swing
as it rises up
as it falls
At the bottom of a hill, a car has an initial velocity of +16.0 meters per second. The car is uniformly accelerated at -2.20 meters per
second squared for 5.00 seconds as it moves up the hill. How far does the car travel during this 5.00-second interval?
107 m
74.5 m
52.5 m
25.0 m
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.
30 m/s
24 m/s2
9 m/s2
81 km/hr
A truck moving with an initial speed of 20 m s-1 decelerates at a constant rate of 3 m s-2. Calculate the distance travelled by the bus before it stops. The word stops refer to..............
u = 0 ms-1
u = 3 ms-1
v = 0 ms-1
a = 20 ms-1
