A 230.0 kg bear grasping a vertical tree slides down at constant velocity. What is the friction force between the tree and the b
2 answers:
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Answer:
negative acceleration of 4m/s²
Explanation:
Given parameters:
Initial velocity = 66m/s
Final velocity = 26m/s
Time taken = 10s
Unknown:
Description of the acceleration = ?
Solution:
Acceleration is the rate of change of velocity with time.
It is mathematically expressed as;
acceleration =
v is the final velocity
u is the initial velocity
t is the time taken
Now insert the parameters and solve;
Acceleration = = -4m/s²
So, we see a negative acceleration of 4m/s²