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Duplicate of 2D Kinematics Flashcards | StudBud
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Duplicate of 2D Kinematics
Duplicate of 2D Kinematics
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College Prep Physics review for Kinematics #physics #kinematics
Flashcards
7 cards
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Practice quiz
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Questions
7
Answers
1
A ball is launched directly upwards. Its speed at max height is
9.81 m/s2
0 m/s
0 m/s2
9.81 m/s
2
A cannon ball is launched horizontally at 100 m/s. What happens to its horizontal speed?
It starts at 100 m/s and gets slower
It starts at -9.8 m/s and gets faster
It starts at 100 m/s and gets faster
It starts at 100 m/s and stays the same
3
A cannon ball is launched horizontally at 100 m/s. What happens to its vertical speed?
Starts at 100 m/s and gets slower
Starts at 100 m/s and gets faster
Starts at -9.8 m/s and gets faster
Starts at 0 and gets faster
4
What about a marble thrown horizontally or one thrown at 30 degrees above the horizontal?
The one thrown horizontally will hit the ground first
The one thrown at the 30 degree angle will hit first
They will both hit the ground at the same time
5
A ball is launched directly upwards. Its acceleration at max height is
0 m/s2
9.81 m/s2
- 9.81 m/s2
0 m/s
6
Which will hit the ground first - a marble dropped straight down, or one thrown horizontally?
The one that is dropped straight down
The one that is thrown horizontally
They will both hit the ground at the same time
7
A ball is launched at an angle of 60
o
with speed of 20 m/s. Its speed at max height is
20sin(60)
20 m/s
0 m/s
20cos(60)
