sofigaviria05
02.02.2021 •
Physics
Would an object of the same mass and radius but more rotational inertia roll up a ramp to a higher height than an identical object rolling up an identical ramp with less rotational inertia?
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Ответ:
v = 22.5 m/s
Explanation:
The speed of the bucket can be found using the following equation:
Where:
: is the final speed =?
: is the initial speed = 0 (starts from rest)
a: is the acceleration
t: is the time = 2 s
We need to find the acceleration, it can be found as follows:
Where:
F: is the force = 45 N
m: is the mass = 4.0 kg
Now, the speed is:
Therefore, the speed that the bucket will have is 22.5 m/s.
I hope it helps you!