Instructions for Side by Side Printing
- Print the notecards
- Fold each page in half along the solid vertical line
- Cut out the notecards by cutting along each horizontal dotted line
- Optional: Glue, tape or staple the ends of each notecard together
chapter 2 PRACTICE
front 1 A truck moves 80 m east, then moves 240 m west, and finally moves east again a distance of 40 m. If east is chosen as the positive direction, what is the truck's resultant displacement? | back 1 -210m |
front 2 A car travels 60 m east, then 150 m west, then 30 m east. | back 2 –60 m |
front 3 A person walks 120 m west, then 200 m east, then 50 m west. | back 3 +30m |
front 4 A cyclist rides 90 m east, then 40 m west, then 25 m west. | back 4 +25m |
front 5 A delivery van drives 300 m west, then 180 m east, then 70 m
east. | back 5 -50m |
front 6 An object moves 74 m east in 29 s and then returns to its starting point, taking an additional 36 s. If west is chosen as the positive direction, what is the average speed of the object? | back 6 2.28m/s |
front 7 A runner goes 60 m east in 20 s, then runs back to the starting point in 25s. (West is positive.) | back 7 2.67m/s |
front 8 A car travels 90 m west in 30 s, then returns to the starting point
in 45 s. | back 8 2.40m/s |
front 9 A cyclist rides 120 m east in 40 s, then rides back to the start in
50 s. | back 9 2.67m/s |
front 10 A person walks 50 m west in 18 s, then walks back to the starting
point in 22 s. | back 10 2.50m/s |
front 11 An object moves 28 m east in 31 s and then returns to its starting point, taking an additional 48 s. If west is chosen as the positive direction, what is the average velocity of the object? | back 11 0m/s |
front 12 A runner goes 40 m west in 20 s, then returns to the starting point
in 30 s. | back 12 0 m/s |
front 13 A car drives 100 m east in 50 s, then returns to its starting point
in 60 s. | back 13 Final answer: 0 m/s |
front 14 A cyclist rides 75 m west in 25 s, then rides back to the start in 35
s. | back 14 Final answer: 0 m/s |
front 15 A person walks 30 m east in 12 s, then walks back to the starting
point in 18 s. | back 15 Final answer: 0 m/s |
front 16 A sports car dealer claims that his car will accelerate at a constant rate from zero to 99 km/hr in 7 s. If so, what is the acceleration in m/s²? | back 16 3.39 m/s2 |
front 17 A car accelerates from 0 to 72 km/h in 6
s. | back 17 Final answer: 3.33 m/s² |
front 18 Practice Question 2 A motorcycle accelerates from 0 to 108 km/h in
9 s. | back 18 Final answer: 3.33 m/s² |
front 19 A sports car accelerates from 0 to 90 km/h in
5 s. | back 19 Final answer: 5.00 m/s² |
front 20 A car goes from 0 to 120 km/h in 8
s. | back 20 Final answer: 4.17 m/s² |
front 21 A solid metal ball is released at rest from the top of a high building, such that it falls straight down to the ground. If the time it takes to hit the ground is 6.8 seconds, what was the height (in meters) from which the ball was dropped? (Take g = 9.8 m/s² and assume air resistance is negligible)?. | back 21 227m |
front 22 A stone is dropped from rest and hits the ground in 5.0
s. | back 22 Final answer: 122.5 m |
front 23 A ball falls for 3.2 s before hitting the
ground. | back 23 Final answer: 50.2 m |
front 24 An object is dropped and takes 7.5 s to reach the
ground. | back 24 Final answer: 275.6 m |
front 25 A rock falls for 4.0 s before hitting the
ground. | back 25 Final answer: 78.4 m |
front 26 A car starts from rest and has a constant acceleration of 1.6 m/s². What is the magnitude of its displacement at the end of 14 seconds after it started? Write your answer in terms of meters.? | back 26 157m |
front 27 A car starts from rest and accelerates at 2.0 m/s²
for 10 s. | back 27 Final answer: 100 m |
front 28 An object starts from rest and accelerates at 1.2
m/s² for 12 s. | back 28 Final answer: 86.4 m |
front 29 A vehicle accelerates from rest at 3.0 m/s² for
8 s. | back 29 Final answer: 96 m |
front 30 A car starts from rest and accelerates at 0.9 m/s²
for 20 s. | back 30 Final answer: 180 m |
front 31 A cheetah can run at approximately 94 km/hr and a gazelle at 71 km/hr. If both animals are running at full speed, with the gazelle 87 m ahead, how long before the cheetah catches its prey? Write your answer in terms of seconds.? | back 31 13.6s |
front 32 A leopard runs at 90 km/h and a deer runs at
60 km/h. | back 32 Final answer: 9.0 s |
front 33 A wolf runs at 72 km/h and a rabbit runs at
54 km/h. | back 33 Final answer: 7.2 s |
front 34 A dog runs at 80 km/h and a cat runs at 56
km/h. | back 34 Final answer: 7.2 s |
front 35 A lion runs at 100 km/h and a zebra runs at
80 km/h. | back 35 Final answer: 9.9 s |
front 36 A railroad train travels forward along a straight track at 45 m/s for 1500 m and then travels at 34 m/s for the next 1500 m. What is the average velocity? | back 36 38.7 m/s |
front 37 A car travels 30 m/s for 1000 m, then 20 m/s
for another 1000 m. | back 37 Final answer: 24.0 m/s |
front 38 A truck moves 40 m/s for 2000 m, then 25 m/s
for 2000 m. | back 38 Final answer: 30.8 m/s |
front 39 A train travels 50 m/s for 1200 m, then 30
m/s for 1200 m. | back 39 Final answer: 37.5 m/s |
front 40 A car travels 35 m/s for 800 m, then 15 m/s
for 800 m. | back 40 Final answer: 21.0 m/s |
front 41 You are driving on the highway at a speed of 45 miles per hour. You suddenly see something on the road and apply the brakes. If you stop in a time = 12 seconds, how far would you have travelled after the brakes were applied? Assume that the car had a constant value of acceleration during the braking period. Write your answer in meters.? | back 41 120.7 m |
front 42 A car travels at 60 mph and stops in 10
s. | back 42 Final answer: 134.1 m |
front 43 A vehicle is moving at 50 mph and stops in 8
s. | back 43 Final answer: 89.4 m |
front 44 A car is traveling at 70 mph and stops in 14
s. | back 44 Final answer: 219.0 m |
front 45 A car moves at 40 mph and stops in 9
s. | back 45 Final answer: 80.5 m |
front 46 How far (in meters) would a car travel if it starts from rest and accelerates at 3.3 m/s² for 8 s? | back 46 106m |
front 47 A car starts from rest and accelerates at 2.5 m/s²
for 6 s. | back 47 Final answer: 45 m |
front 48 An object starts from rest and accelerates at 4.0
m/s² for 5 s. | back 48 Final answer: 50 m |
front 49 A vehicle accelerates from rest at 1.8 m/s² for
10 s. | back 49 Final answer: 90 m |
front 50 A car starts from rest and accelerates at 2.2 m/s²
for 12 s. | back 50 Final answer: 158.4 m |
front 51 A car crosses a green traffic signal going at 6 m/s. How far from the signal would it by after 9 s, if it continuously accelerated at 4 m/s²? | back 51 216m |
front 52 A car moves at 5 m/s and accelerates at 3
m/s² for 8 s. | back 52 Final answer: 136 m |
front 53 A vehicle is traveling at 10 m/s and accelerates at
2 m/s² for 6 s. | back 53 Final answer: 96 m |
front 54 A car moves at 4 m/s and accelerates at 5
m/s² for 7 s. | back 54 Final answer: 150.5 m |
front 55 A motorcycle travels at 8 m/s and accelerates at
3 m/s² for 10 s. | back 55 Final answer: 230 m |
front 56 A car starts from rest and accelerates at 3 m/s² for 7 s, after which it continues at constant speed for 16 s. How far would it have traveled from its starting point by that time? | back 56 410m |
front 57 A car starts from rest and accelerates at 2 m/s² for 6
s, then travels at constant speed for 10
s. | back 57 156 m |
front 58 A vehicle accelerates from rest at 4 m/s² for 5 s,
then moves at constant speed for 12 s. | back 58 340 m |
front 59 A car starts from rest and accelerates at 1.5 m/s² for 8
s, then continues at constant speed for 15
s. | back 59 234 m |
front 60 A motorcycle accelerates from rest at 3.5 m/s² for 4
s, then moves at constant speed for 18
s. | back 60 322 m |
front 61 You throw a baseball in the downwards direction with a speed of 2 m/s from the top of a building that is 43 meters high. How much time would it take to hit the ground (in seconds)? (take g = 9.8 m/s² and assume air resistance is negligible.) | back 61 2.77s |
front 62 A ball is thrown downward at 3 m/s from a 50
m building. | back 62 2.89 s |
front 63 A stone is thrown downward at 5 m/s from a height of
60 m. | back 63 3.06 s |
front 64 A ball is thrown downward at 4 m/s from a 35
m building. | back 64 2.37 s |
front 65 A rock is thrown downward at 6 m/s from a height of
80 m. | back 65 3.47 s |
front 66  A particle goes from point A to point B along | back 66 a. Distance = 8.00 m, Displacement = 10.0 m |
front 67 ook next An athelete runs halfway around a 50.0 m
diameter | back 67 a) 1.96 m/s |
front 68 An athlete runs halfway around a circular track with a 60 m
diameter in 30 s. Final answer: 2.0 m/s | back 68 2.0 m/s |
front 69 A runner moves halfway around a 40 m diameter track
in 20 s. | back 69 2.0 m/s |
front 70 An athlete runs halfway around a 100 m diameter
circular track in 50 s. | back 70 2.0 m/s |
front 71 A runner goes halfway around a 80 m diameter
circular track in 32 s. | back 71 2.0 m/s |
front 72 A ball is thrown straight up. At which point in time will its acceleration be zero? | back 72 a. Immediately after throwing b. At no time during its motion
b. At no time during its motion d. Just before reaching the highest point |
front 73 The velocity of a train in the given coordinate system is – 40 m/s. In the same coordinate system the acceleration is – 2 m/s2. What will be the nature of the speed? | back 73 a. It will be increasing (getting faster) b. It will be decreasing (getting slower) |
front 74 A particle moving along a straight line has an acceleration of +2.00
m/s2. Which | back 74 a. It is going at a constant velocity. |
front 75 A ball reaches its highest point in 2.5 s. | back 75 Final answer: 5.0 s |
front 76 A stone reaches its highest point in 4.0 s. | back 76 Final answer: 8.0 s |
front 77 A projectile reaches its highest point in 1.8
s. | back 77 Final answer: 3.6 s |
front 78 A ball reaches its peak in 5.5 s. | back 78 Final answer: 11.0 s |
front 79 An airplane has to take off from a runway that has a total length of 2.00 km. The plane starts from one end of the runway from a state of rest, and it must attain a speed of 200 km/hour to take off. What must be the acceleration of the plane, and how much time does it take to traverse the runway? Give your answers in SI units, i.e., m/s² and seconds. | back 79 a= 0.772m/s² t= 72.0s |
front 80 A plane needs a speed of 180 km/h to take off. | back 80
Final answers: |
front 81 A jet must reach 250 km/h on a runway of
2500 m. | back 81 Acceleration: 0.97 m/s² |
front 82 An airplane must reach 160 km/h on a runway of
1200 m. | back 82 Acceleration: 0.82 m/s² |
front 83 A plane needs 220 km/h to take off and has
1800 m of runway. | back 83 Acceleration: 1.04 m/s² |
front 84 If your cell phone slips off the table and falls to the ground, how much time would it take to hit the ground? The table is 120.0 cm high. (Ignore air resistance.) | back 84 0.495s |
front 85 A phone falls from a table 90.0 cm high. | back 85 0.43 s |
front 86 A book falls from a 1.50 m high shelf. | back 86 0.55 s |
front 87 A cup falls from a table 75.0 cm high. | back 87 0.39 s |
front 88 A phone drops from a desk 2.00 m high. | back 88 0.64 s |
front 89 A ball is thrown in the horizontal direction from the top of a building that is 30.0 m high, with a velocity = 6.00 m/s at 0°. How far from the base of the building will the ball hit the ground? | back 89 14.8m |
front 90 A ball is thrown horizontally at 8.0 m/s from a
20.0 m high building. | back 90 16.2 m |
front 91 A rock is thrown horizontally at 5.0 m/s from a
45.0 m high cliff. | back 91 15.2 m |
front 92 A ball leaves a table 1.25 m high with a horizontal
speed of 3.0 m/s. | back 92 1.52 m |
front 93 A stone is thrown horizontally at 10.0 m/s from a
40.0 m building. | back 93 28.6 m |
front 94 In one-dimensional motion, the average speed of an object that moves from one place to another and then back to its original place has which of the following properties? | back 94 It is positive. |
front 95 The distance of the Earth from the sun is 93,000,000 miles. If there are 3.15 x 107 s in one year, find the speed of the Earth in its orbit about the sun. | back 95 18.6 miles/s |
front 96 Displacement is which of the following types of quantities? scalar vector magnitude dimensional | back 96 vector |
front 97 Which of the following is not a vector quantity? acceleration temperature velocity displacement | back 97 temperature |
front 98 Velocity when it is going up | back 98 positive |
front 99 Velocity when it is going down | back 99 negative |
front 100 Acceleration when it is going up | back 100 -9.8m/s2 |
front 101 Acceleration when it is going down | back 101 -9.8m/s2 |
front 102 Acceleration at the highest point | back 102 -9.8m/s2 |
front 103 Velocity at the highest point | back 103 zero |
front 104 1. What is the final velocity of a bicycle starting at 2.0 m/s accelerating at 1.5 m/s2 for 3.0 seconds? | back 104 vf = 6.5 m/s |
front 105 2. What is the initial velocity of a ball thrown down off a building that hit the ground at 32 m/s after 2.0 seconds? | back 105 vi = 12 m/s down |
front 106 3. What was the average velocity of a plane that takes 3600 seconds to travel 417600 meters? | back 106 v = 116 m/s |