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RSB [31]
3 years ago
14

Sam is about to drop a golf ball from his hand. As the falls, its _____ energy will decrease and it's ______ energy will increas

e​
Physics
2 answers:
Nikitich [7]3 years ago
3 0

Answer: a. potential b. kinetic

Explanation:

MaRussiya [10]3 years ago
3 0

Answer:

potential, kinetic

Explanation:

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A car is moving at a constant speed of 100 miles per hour. how long does it take for the car to travel 200 miles.
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d. 2 hours

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3 years ago
When Jim and Rob ride bicycles, Jim can only accelerate at three-quarters the acceleration of Rob. Both startfrom rest at the bo
Natali5045456 [20]

Answer:

46.4 s

Explanation:

5 minutes = 60 * 5 = 300 seconds

Let g = 9.8 m/s2. And \theta be the slope of the road, s be the distance of the road, a be the acceleration generated by Rob, 3a/4 is the acceleration generated by Jim .  Both of their motions are subjected to parallel component of the gravitational acceleration gsin\theta

Rob equation of motion can be modeled as s = a_Rt_R^2/2 = a300^2/2 = 45000a[/tex]

Jim equation of motion is s = a_Jt_J^2/2 = (3a/4)t_J^2/2 = 3at_J^2/8

As both of them cover the same distance

45000a = 3at_J^2/8

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So Jim should start 346.4 – 300 = 46.4 seconds earlier than Rob in other to reach the end at the same time

7 0
3 years ago
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