Name ______________________________ Class __________________ Date __________________
11.1 Concept Review & Math Skills
Section: Measuring Motion
1. Which quantity that has changed—velocity or speed—for a car that travels north at 88 km/h and then
turns east while continuing to move at 88 km/h?
Explain your answer:
2. Explain how you can use a speedometer and a clock to tell how far you have traveled in a car if the
car’s odometer is not working. (Hint: Assume you are traveling at a constant velocity.)
3. Explain how you could use two photographs taken at different times to prove that the moon is in
motion:
Math Skills
Solve the following Velocity problems. Make sure to show ALL WORK!!! Include units
with answers. Convert units when necessary.
If Velocity =
, find what distance and time equals using the velocity equation.
Distance =
Time =
**Use these equations to help you solve the following problems!**
4. Suppose the polar bear was running on land instead of swimming. If the polar bear runs at a
speed of about 8.3 m/s, how far will it travel in 10.0 hours? (remember to convert from hours to
seconds)
Givens:
Formula
Show your work
Answer with unit
Name ______________________________ Class __________________ Date __________________
5. The maximum posted speed limit on the U.S. Interstate Highway System is found in rural areas of
several western states. This maximum speed is 121 km/h. What is the distance, in kilometers, that a
car travels if it moves continuously at this speed for 3 hours?
Givens:
Formula
Show your work
Answer with unit
6. Various types of tree sloths share the honor of being the slowest-moving mammals. An average
tree sloth moves at a speed of 0.743 m/s. How long does it take a sloth moving at this speed to travel
22.30m?
Givens:
Formula
Show your work
Answer with unit
7. The Concorde is the fastest supersonic passenger jet. How long would the Concorde take to
travel 6,265 km between New York City and London, assuming that the jet travels at its maximum
speed of 2.150 x 103 km/h during the entire trip?
Givens:
Formula
Show your work
Answer with unit
8. The cheetah, the fastest of land animals, can run 274 m in 8.65 s at its top speed. What is the
cheetah’s top speed?
Givens:
Formula
Show your work
Answer with unit
9. Although they seem to remain unchanged, many mountains undergo steady growth. If erosion
and weathering are ignored, some mountains, like the San Gabriels in southern California, grow as
much a 1.0 cm in a year. If a year is considered to be exactly 365 days, what is the speed at which
the San Gabriel Mountains grow in kilometers per hour?
Givens:
Formula
Show your work
Answer with unit
10. Finding Slope. Suppose you have a line graph with kilometers on the y-axis and minutes on the
x-axis. If your line indicates that in 3.0 min you travel 0.7 km and in 7.0 min you travel 1.3 km,
what is the slope of the line? (look in your notes or book for the correct formula!)