Answers2003390-Physics 1 Honors Sem. 1 - PetersAcceleration

Projectile Motion Answers

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A
diagonal
B
parabolic
C
perpendicular
D
tangential
2
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In the formula vy = ayt, what is the value of ay for an object in projectile motion?

Question illustration
A
–9.8 m/s2
B
0 m/s2
C
m/s2
Option C
D
1.0 m/s2
3

A basketball rolls off a deck that is 3.2 m from the pavement. The basketball lands 0.75 m from the edge of the deck. How fast was the basketball rolling?Seema lists the given values in a chart and determines that the unknown value is vx.

Question illustration
A
The y and x values are switched.
Option A
B
The unknown is , not vx.
Option B
C
The value for ay is not known.
D
The value of y should be –3.2 m.
Option D
4

Charlotte throws a paper airplane into the air, and it lands on the ground. Which best explains why this is an example of projectile motion?

A
The paper airplane’s motion is due to horizontal inertia and the vertical pull of gravity.
B
A force other than gravity is acting on the paper airplane.
C
The paper airplane’s motion can be described using only one dimension.
D
A push and a pull are the primary forces acting on the paper airplane.
5

Projectile motion is a combination of which two types of motion?

A
parabolic and curved
B
straight and diagonal
C
horizontal and vertical
D
constant and linear
6

Which is an example of projectile motion?

A
a person throwing a rock
B
a child swinging on a swing set
C
an athlete running on a track
D
a teacher picking up a pencil
7

Rosa uses the formula (vi cos)t to do a calculation. Which value is Rosa most likely trying to find?

Question illustration
A
the vertical acceleration of a projectile launched at an angle
B
the vertical acceleration of a projectile launched horizontally
C
the horizontal displacement of a projectile launched at an angle
D
the horizontal displacement of a projectile launched horizontally
9

Which formula can be used to calculate the horizontal displacement of a horizontally launched projectile?

A
x = vi(cos )
Option A
B
x = vi(sin )t
Option B
C
x = ayt
Option C
D
x = vxt
Option D
10

Question text not available

A
0.83
B
0.77
C
1.21

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