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WorksheetsQuiz 10 Motion in two Dimensions
Total questions: 10
Worksheet time: 1hrs 27mins
Name
Class
Date
1.
A dog searching for a bone walks 5.40 m north, then 9.10 m at an angle 30.0° west of north, and finally 5.8 m east. Find the dog's resultant displacement vector, using analytical techniques.
a)
13.54 m at 84.6° north of east
b)
10.17 m at 18. 7° north of east
c)
13.34 m at 84.6° north of east
d)
3 m at 30° north of east
2.
A cannon shoots a cannon ball off the ground at an angle 67° north of east with an initial velocity of 1400 feet per second. Find the time the cannon hits the ground.
a)
40.27 s
b)
90.15 s
c)
2 s
d)
80.54 s
3.
You and your friend are both standing on a building while both holding a ball. Your friend drops the ball and you throw the ball horizontally. Which ball hits the ground first?
a)
The dropped ball
b)
Both land at the same time
c)
The thrown ball
d)
trick question. Neither ball landed because it was a dream!
4.
A car enters an intersection at 20 m/s West where it collides with a truck heading North. The impact rotates the car 90 degrees and gives the car a speed of 15 m/s North. Determine the average velocity and direction if the car was in contact with the truck for 1.25 s.
a)
25 m/s @ 37 deg. North of West
b)
25 m/s @ 37 deg. West of North
c)
25 m/s @ 37 deg. North of East
d)
12 m/s @ 9 deg. South of East
5.
You travel 10 m N, then 20 m E, you wait 20 minutes, then go 40 m S, then 30 m W. You then go 30 m N, and finally you turn and go 10 m E. What's your total displacement and distance?
a)
Distance: 160 m; Displacement: 10 m
b)
Distance: 140 cm; Displacement: 0 m
c)
Distance: 12 m; Displacement: 140 m
d)
Distance: 140 m; Displacement: 0 m
6.
Which of the following is not a vector?
a)
4 m south
b)
97 miles per hour northeast
c)
14 gallons
d)
the guy from despicable me
7.
A boat moves through the water of a rives at 12m/s relative to the water. The river is rushing at 3m/s downstream. How long dose it take the boat to take make a 400m trip going downstream and a 400m back upstream?
a)
71s
b)
75s
c)
44.4s
d)
the boat dose not ever move
8.
A child chucks a melon strait into the air at 30 m/s. Ignoring air resistance, how long is the melon in flight before it hits the ground.
a)
5.5 sec
b)
18 sec
c)
7.0 sec
d)
6.1 sec
9.
Vector A has a magnitudde of 30 units. Vector B is perpendicular to vector A and has a magnitude of 40 units. What would the magnitude of resultant vector A + B be?
a)
10 units
b)
50 units
c)
70 units
d)
zero
10.
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
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