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frosja888 [35]
2 years ago
12

A roller coaster car starts at a height of 90 M at Point a and is moving at a speed of 20 m per second on a later Hill at Point

C assuming friction does not affect the motion of the car what is its height at Point C
Physics
2 answers:
ankoles [38]2 years ago
7 0
Hi there!

The answer you are looking for.....



20.4 m!





Hope this helps you!

Have a great day!
valentina_108 [34]2 years ago
3 0
The answer is 20.4m in height. You can use the kinematics equation Vf^2=V0^2+2ad  Therefore we have solving for d or height, we get d=Vf^2/2g
(20m/s)^2/(2*9.8m/s^2)=20.4m
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