Semester Test Review
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KG - University
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many sig figs in 3290 ?
3
4
5
1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many sig figs in 0.004560 ?
2.4
2
4
4.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Round 3.1478 to 2 sig figs.
3.1
3.0
2.99
3.10
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A car traveled 65 km in 2 hours, 93 km in the next 1 hour, and then 54 km in 2 hours before reaching its destination. What was the car's average speed?
total dist / total time= 44.44 km/hr
total dist / total time = 42.4 km/hr
total dist / total time= 24.42 km/hr
total dist / total time= 43.45 km/hr
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A person walks 1 mile every day for exercise, leaving her front porch at 9:00 am. and returning to her front porch at 10:25 am. What is the total displacement of her daily walk?
50 miles
0, she ended up back at starting point
12 miles
25 miles
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suppose you increase your walking speed from 1 m/s to 5 m/s in a period of 2 s. What is your acceleration?
a = (final velocity - initial velocity) / time = 3 m/s2
a = (final velocity - initial velocity) / time = 2 m/s
a = (final velocity - initial velocity) / time = 2 m/s2
a = (final velocity - initial velocity) / time = 1000 m/s2
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The rate at which velocity changes is called...
acceleration
speed
distance
height
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