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2D Motion - Summative

Total questions: 20

Worksheet time: 24mins

Name
Class
Date
1.

What two factors affect the range of a projectile?

a)

Launch angle and Launch Velocity

b)

Launch Velocity and Acceleration

c)

Launch angle and time

d)

Launch Velocity and time

2.

What is the only force acting on a projectile?

a)

air resistance

b)

gravity

c)

launch force

d)

launch speed

3.

To resolve a vector means to...

a)

find the resultant vector

b)

find the direction of the vector

c)

find the magnitude of the vector

d)

find the x and y components of the vector

4.

What is "30⁰" of "30⁰ at 25 m/s"?

a)

magnitude

b)

direction

c)

x component

d)

y component

5.

A dog is running at 10 m/s at angle of 27 degrees. Find the x velocity of the dog.

a)

8.9 m/s

b)

4.5 m/s

c)

4.6 m/s

d)

26.6 m/s

6.
What is viy for a horizontal launch ALWAYS?
a)
0 m/s
b)
-10 m/s
c)
10 m/s
d)
Depends on vx
7.
What would the actual speed be at F?
a)
30.4 m/s
b)
30 m/s
c)
10 m/s
d)
0 m/s
8.

A soccer ball is kicked and follows the path as shown. At which point is the vertical acceleration equal to - 9.80 ms2\frac{m}{s^2}  ?

a)

X

b)

Y

c)

Both X and Y

d)

Neither X nor Y

9.

When an object is undergoing projectile motion, which of the following are constant? Check all that apply.

a)

vyv_y  

b)

vxv_x  

c)

axa_x  

d)

aya_y  

10.

What is the horizontal acceleration of a projectile?

a)

0 m/s2

b)

9.8 m/s2

c)

-9.8 m/s2

d)

4.9 m/s2

11.

If you throw a baseball straight up, what is its velocity at the highest point?

a)

9.8 m/s2

b)

9.8 m/s

c)

0 m/s2

d)

0 m/s

12.

If I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?

a)

6 m/s

b)

12 m/s

c)

18 m/s

d)

24 m/s

13.

At what point is vy= 0 m/s?

a)

A

b)

B

c)

C

d)

D

e)

None of these points

14.

Which vector pair (arrow pair) correctly represents the acceleration and velocity at point P?

a)
b)
c)
d)
15.

A Macaque monkey sitting 12 m up in a tree throws a nut horizontally at 11 m/s. How long will it take the nut to hit the ground?

a)

2.45 s

b)

4.32 s

c)

1.56 s

d)

not enough information

16.

Two spheres of equal mass, A and B, are rolled off the edge of a 2.0 m high bench. Sphere A has a horizontal velocity of 5.0 m/s and sphere B has a horizontal velocity of 2.5 m/s.


Which ball will be in the air for the greater amount of time?

a)

Ball A

b)

Ball B.

c)

They will be in the air for the same amount of time.

d)

here is not enough information to decide.

17.
What is viy for a horizontal launch ALWAYS?
a)
0 m/s
b)
-10 m/s
c)
10 m/s
d)
Depends on vx
18.
Neglecting air resistance, what it the horizontal velocity (VX)  at B?
a)
5 m/s
b)
0 m/s
c)
-10 m/s
d)
-30 m/s
19.

The shape of the pathway of a projectile is known as a

a)

rainbow

b)

upside down U

c)

path

d)

parabola

20.
An object that is launched into the air.
a)
Drag
b)
Mass, with units
c)
Apogee
d)
Projectile