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2D Kinematics Flashcards | StudBud
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2D Kinematics
2D Kinematics
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College Prep Physics review for Kinematics
Flashcards
8 cards
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Practice quiz
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Host live
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Questions
8
Answers
1
A ball is launched directly upwards. Its speed at max height is
9.81 m/s
0 m/s2
9.81 m/s2
0 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 100 m/s and gets faster
It starts at 100 m/s and stays the same
It starts at -9.8 m/s and gets faster
3
A hunter shoots
<u>directly horizontally </u>
at a monkey in a tree. What should the monkey do?
Jump down at the instant the gun is fired
Stay in the tree
4
A ball is launched directly upwards. Its acceleration at max height is
9.81 m/s2
- 9.81 m/s2
0 m/s2
0 m/s
5
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 -9.8 m/s and gets faster
Starts at 0 and gets faster
Starts at 100 m/s and gets faster
6
A ball is launched at an angle of 60
o
with speed of 20 m/s. Its speed at max height is
20cos(60)
0 m/s
20sin(60)
20 m/s
7
What about a marble thrown horizontally or one thrown at 30 degrees above the horizontal?
The one thrown horizontally will hit the ground first
They will both hit the ground at the same time
The one thrown at the 30 degree angle will hit first
8
Which will hit the ground first - a marble dropped straight down, or one thrown horizontally?
The one that is thrown horizontally
The one that is dropped straight down
They will both hit the ground at the same time
