Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
FA 2 Physics
| Question | Answer |
|---|---|
| A Kyoshi Warrior is a protector of Kyoshi Island. Suki, the leader of the Kyoshi Warriors, hopped 14 cm to the right of her initial position. Then, as her friend Sokka called her, she hopped 7 cm to the left. What is the distance covered by Suki? | 21 cm |
| A particle moving with constant non-zero velocity through a linear path is said to be in ___________. | Uniform motion |
| Jimmy Neutron’s hover car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the acceleration of his vehicle. | 11.2 m/s2 |
| A ball rolls up a slope. At the end of three seconds its velocity is 20 cm/s; at the end of eight seconds its velocity is 0. What is the magnitude of the acceleration from the third to the eighth second? | 4.0 cm/s2 |
| Which of the following situations best describes an object moving in UARM? | A teacher walking along a horizontal path with constant acceleration |
| An object dropped from the window of a tall building hits the ground in 12.0 s. If its acceleration is 9.80 m/s2, the height of the window above the ground is: | 706 m |
| A feather, initially at rest, is released in a vacuum 12 m above the surface of the earth. Which of the following statements is correct? | The acceleration of the feather remains constant during the fall |
| Sasha Velour drops a pile of roof shingles from the top of a roof located 8.52 meters above the ground. Determine the time required for the shingles to reach the ground. | 1.32 s |
| A hot-air balloon is floating at a constant height above Earth when it releases a pack of supplies for the people in Dirty Docks. If the pack hits the ground with a downward velocity of -73.5 m/s, how far did the pack fall? | 275 m downward |
| A stone is released from a balloon that is descending at a constant speed of 10 m/s. Neglecting air resistance, after 20 s the speed of the stone is: | 206 m/s |
| Given a position vs. time graph, which of the following indicates an object at rest? | A horizontal line |
| This term refers to the change in position per change in time. | Velocity |
| Given the velocity vs. time graph above describes the journey of a lion looking for his cub. At which time interval is the lion is speeding up? | 0 min to 10 min |
| Given a velocity vs. time graph, which of the following indicates an object moving in constant velocity? | A horizontal line |
| Natasha Romanoff tossed a coin vertically upward and reaches a maximum height of 0.85 m before it comes back down. With what velocity was it thrown? | 4.08 m/s |
| What is the total distance travelled of Olivia if she is walking at a speed of 5km/hr in 125 secs? | 173.61 m |
| Barbie is jumping up and down a trampoline, her initial velocity is 3m/s. What is her acceleration? Neglect air resistance. | 9.8m/s^2 |
| A pen and a rock are dropped vertically at the same time with the same height. Neglecting air resistance which object will hit the ground the ground first? | Both the pen and the rock |
| An object has an initial velocity of 3 m/s after 10 seconds it stopped at 25 meters distance from its initial position. What is the final velocity of the object? | 2 m/s |
| Barry Allen is running and accelerates to go to 200 m/s in 2 seconds from rest. What is his acceleration? | 100 m/s^2 |
| A race car accelerates uniformly from 22.88 m/s to 16.19 m/s in 12.72 seconds. Determine the acceleration of the car. | 0.526 m/s² |
| A ball player catches a ball 5.18 seconds after throwing it vertically upward. With what speed did he throw it? (Use 9.8 m/s^2 for gravitational acceleration) | 25.38 m/s |
| An arrow was shot straight up into the air. If it took 9.17 s before it started to fall down, what was the initial velocity of the arrow? Use g=-9.8m/s2 | 89.87 m/s. |
| An object is dropped from the rooftop of a 380 m tall building. How fast will the object be traveling just before it hits the ground? Write the magnitude of the velocity only. Use g=-9.8m/s2 | 86.30 m/s |
| A toy is thrown straight up into the air with an initial velocity of 17.74 m/s. How high in the air does the object go? | 16.06 m. |
| An object is dropped from the rooftop of a 480 m tall building. How long will it take for the object to reach the ground? | 9.90 |
| A car was traveling at 10.99 m/s when the driver stepped on the brakes. If the car comes to a full stop in 9 s, what distance did it cover? | 49.46 m. |
| A car was traveling at 13.5 m/s when the driver stepped on the brakes. If the car comes to a full stop in 5 s, what was its acceleration? | 2.70 m/s². |
| An object is dropped from the rooftop of a 400 m tall building. What is the velocity of the object before it was dropped? | 0 |
| Throughout a time interval, while the speed of a particle increases as it moves along the x axis, its velocity and acceleration might be: | negative and negative, respectively |
| This term refers to the speed of an object at a given time interval. | Instantaneous speed |
| This term refers to the speed of an object throughout its whole journey. | Average speed |
| A Kyoshi Warrior is a protector of Kyoshi Island. Suki, the leader of the Kyoshi Warriors, hopped 14 cm to the right of her initial position. Then, as her friend Sokka called her, she hopped 7 cm to the left. Suki’s average velocity if it took her 7 s | 1 cm/s |
| Displacement can be obtained from: | the area under a velocity-time graph |
| Gigi Goode throws her mother's crystal vase vertically upwards with an initial velocity of 26.2 m/s. Determine the height to which the vase will rise above its initial height assuming air resistance is absent. | 35 m |
| If an object is projected upwards in a perfectly vertical direction, then it will slow down as it rises upward. The instant at which it reaches the peak of its trajectory, its velocity is ________. | Zero |
| The area under a velocity-time graph represents: | displacement |
| If an object is merely dropped (as opposed to being thrown) from an elevated height, then the initial velocity of the object is _________. | Zero |
| Clint Barton shot an arrow straight up with an initial velocity of 30.5 m/s. Find the time to reach the highest point. | 3.11 seconds |
| Mima Sassa likes to run everymorning. She ran 10 m north, and then 4 m south back toward her starting point. What is her distance? | 14 m d=10 m+4 m |
| An object has an initial velocity of 3 m/s after 10 seconds it stopped at 25 meters distance from its initial position. What is the acceleration of the object? | 0.1 m/s² |
| The observation deck of a building is 86.99 meters above the street. Determine the time required for a penny to free fall from the deck to the street below. | |
| Two birds are flying directly towards each other with same speed. If one bird has a velocity of “v”, what is the velocity of the other bird? | -v |
| The average speed of a moving object during a given interval of time is always: | the distance covered during the time interval divided by the time interval |
| Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h. In how many hours will they | 1.5 |
| An object is thrown vertically upward at 35 m/s. Taking g = 10 m/s2, the velocity of the object 5 s later is: | 15 m/s down |
| If an object is merely dropped (as opposed to being thrown) from an elevated height, then the initial velocity of the object is _________. | Zero |
| Neglecting the effect of air resistance a stone dropped off a 175-m high building lands on the ground in: | 6 s |
| A heavy ball falls freely, starting from rest. Between the third and fourth second of time it travels a distance of __________. | 34.3 m |
| The position-time graph of an object is a straight line with a positive slope. The object has: | constant velocity |
| Which of the following is not true regarding the position vs. time graph shown above? | The object is at rest. |
| Given a velocity vs. time graph, which of the following indicates an object at rest? | None of the above |
| A car accelerates uniformly from rest to a speed of 12.05 m/s over a distance of 6.21 meters. Determine the acceleration of the car. | 11.69 m/s². |
| The observation deck of a building is 89.49 meters above the street. Determine the time required for a penny to free fall from the deck to the street below. | 4.27 |
| An object is dropped from the rooftop of a 372 m tall building. How long will it take for the object to reach the ground? | 8.71 |
| An object is dropped from the rooftop of a 396 m tall building. How fast will the object be traveling just before it hits the ground? | 88.10 |
| A car was traveling at 14.48 m/s when the driver stepped on the brakes. If the car comes to a full stop in 9 s, what was its acceleration? | -1.61 m/s². |
| An arrow was shot straight up into the air. If it took 7.69 s before it started to fall down, what was the initial velocity of the arrow? | 75.36 m/s. |
| An object is dropped from the rooftop of a 335 m tall building. What is the velocity of the object before it was dropped? | 0 |
| A toy is thrown straight up into the air with an initial velocity of 12.71 m/s. How high in the air does the object go? Use g=-9.8m/s2 | 8.24 |
| Of the following situations, which one is impossible? | A body having constant velocity and variable acceleration |
Created by:
jxxnixx