What is the displacement of the golf ball

Reference no: EM13800589

Question 1: The nearest galaxy to our own is called "Andromeda." It is approximately 250 000 "light years" away. This means that it would take light travelling at a speed of 3.0 x 108 m/s about 250 000 years to get from Andromeda to Earth. How far away, in kilometres, is the Andromeda galaxy?

2.1 x 1018 km

2.4 x 1017 km

24.1 x 1018 km

2.4 x 1018 km

Question 2: A subway train decelerates from 25.0 m/s [E] to a stop in 10.0 s. What is the train's acceleration?

-2.5 m/s2 [W]

-2.5 m/s2 [E]

2.5 m/s2 [N]

2.0 m/s2 [E]

Question 3: A speeding SUV passed an unmarked police cruiser parked at the side of a straight and deserted highway. The SUV was travelling at a constant speed of 35.0 m/s and the cruiser immediately pursued it with a constant average acceleration of 5.0 m/s2. How far along the highway did the police cruiser catch the speeding SUV?

About 49 km down the highway from the point where the SUV initially passed the police cruiser.

About 400 m down the highway from the point where the SUV initially passed the police cruiser.

About 490 m down the highway from the point where the SUV initially passed the police cruiser.

About 90 m down the highway from the point where the SUV initially passed the police cruiser.

Question 4: A skier slid down a very icy hill with an acceleration of 2.3 m/s2 for 18.0 s. If she started from rest, how far did she travel?

389 m

373 m

456 m

0 m

Question 5: An object's displacement with respect to some reference point can change even though its distance from that point remains constant.

True

False

Question 6: A certain line segment on a position-time graph has a run of 3.0 h and a rise of 300 km [E]. The average velocity during this interval is:

100 km/h [E]

0.10 km/h [E]

0.01 km/h [E]

100 km/h [W]

Question 7: Donald begins a journey 5 km east of his home. He later arrives at Daisy's house that is 12 km west of his home. His displacement for this trip is:

7 km [W]

13 km [E]

17 km [E]

17 km [W]

Question 8: The slope of the line on a velocity-time graph represents the _________ over that time interval.

displacement

average velocity

instantaneous acceleration

average acceleration

Question 9: The slope of a line joining any two points on a position-time graph represents:

the total distance travelled between those two points

the average acceleration in that interval of time

the average velocity between those two points

the average speed between those two points

Question 10: The kinematic equations of motion on page 38 of your notes only apply for:

objects that travel in a straight line only

objects that maintain a constant speed and velocity

uniformly accelerated motion along a straight line

non-uniformly accelerated motion along a straight line

Question 11: A constant positive acceleration indicates that the final velocity is ______ the initial velocity.

less than (more negative than)

greater than (more positive than)

equal to

opposite in direction to

Question 12: An athlete runs around a circular track of radius 64.0 m and returns to her starting point in precisely one minute. The magnitude of her average velocity for this trip is:

6.7 m/s

0 m/s

4.3 m/s

6.4 m/s

Question 13: A race car with an initial velocity of 16 m/s [W] accelerates uniformly covering 120 m in 3.0 s. The magnitude of its acceleration is:

3.0 m/s2

5.3 m/s2

9.0 m/s2

16.0 m/s2

Question 14: A school bus travelled 12 km [N 45ø E] and then 5 km [S 45ø E]. The total displacement for this trip is:

7 km [S 45ø E]

17 km [E 22ø N]

13 km [N 68ø E]

8 km [E]

Question 15: A realistic video game has a tank flying upwards, over a cliff, and falling back to ground level in 9.2 seconds. How high is the cliff?

39 m

119 m

89 m

104 m

Question 16: Julian putts a golf ball up a steep hill. If the golf ball is initially traveling at 20m/s [N] and experiences an acceleration of 5.0m/s2 [S], what is the displacement of the golf ball 6s later?

30m [N]

15m [S]

2.5m [N]

-20m [N]

Reference no: EM13800589

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