1. Which one of the following is NOT consistent with a car which is accelerating? b. moving with a decreasing speed. d. changing direction. a. moving with an increasing speed. c. moving with a high speed. 2. Anna Mungal is running down the football field in a straight line. She starts at the O-yard line at 0 seconds. At 1 second, she is on the 10-yard line; at 2 seconds, she is on the 20-yard line; at 3 seconds, she is on the 30-yard line; and at 4 seconds, she is on the 40-yard line. This is evidence that, a. she is accelerating b. she is covering a greater distance in each consecutive second. c. she is moving with a constant speed (on average). d. none of the answers are correct 3. Which one of the following quantities is NOT a vector? a. 10 mi/hr, east b. 10 mi/hr/sec, west c. 35 m/s, north d. 20 m/s
1. Which one of the following is NOT consistent with a car which is accelerating? b. moving with a decreasing speed. d. changing direction. a. moving with an increasing speed. c. moving with a high speed. 2. Anna Mungal is running down the football field in a straight line. She starts at the O-yard line at 0 seconds. At 1 second, she is on the 10-yard line; at 2 seconds, she is on the 20-yard line; at 3 seconds, she is on the 30-yard line; and at 4 seconds, she is on the 40-yard line. This is evidence that, a. she is accelerating b. she is covering a greater distance in each consecutive second. c. she is moving with a constant speed (on average). d. none of the answers are correct 3. Which one of the following quantities is NOT a vector? a. 10 mi/hr, east b. 10 mi/hr/sec, west c. 35 m/s, north d. 20 m/s
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Transcribed Image Text:Part A: Knowledge and Understanding Questions Answer the following multiple choice questions by choosing the most
appropriate answer. Place your answer in the answer key on the first page of your test booklet.
1. Which one of the following is NOT consistent with a car which is accelerating?
a. moving with an increasing speed.
b. moving with a decreasing speed.
d. changing direction.
c. moving with a high speed.
2. Anna Mungal is running down the football field in a straight line. She starts at the O-yard line at 0 seconds. At 1
second, she is on the 10-yard line; at 2 seconds, she is on the 20-yard line; at 3 seconds, she is on the 30-yard line; and at
4 seconds, she is on the 40-yard line. This is evidence that,
a. she is accelerating
b.
she is covering a greater distance in each consecutive second.
c. she is moving with a constant speed (on average).
d. none of the answers are correct
3. Which one of the following quantities is NOT a vector?
a. 10 mi/hr, east
b. 10 mi/hr/sec, west
c. 35 m/s, north
4. The average speed of a horse which gallops 10 kilometers (km) in 30 minutes is
a. 10 km/hr
b. 20 km/hr
c. 30 km/hr
d. more than 30 km/hr
5. Ten seconds after starting from rest, a freely-falling object will have a speed of about
10 m/s.
a.
b. 50 m/s.
c. 100 m/s.
d. more than 100 m/s.
d. 20 m/s
6. If you drop an object, it will accelerate downward at a rate of 9.8 m/s². If you instead throw its downwards, it
acceleration (in the absence of air resistance) will be
a. less than 9.8 m/s².
b. 9.8 m/s².
c. more than 9.8 m/s².
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