A bus travels 280 km south along a straight path with an average velocity of 88 km/h to the south. The bus stops for 24 min, the
2 answers:
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Answer:
The time taken is
Explanation:
From the question we are told that
The length of the speed ramp is
The speed of the speed ramp is
The time taken to cover the distance is
The walking speed( when not on the speed ramp) required to cover the 104m is mathematically represented as
Substituting values
The speed required to cover the 104m distance when on a speed speed ramp is mathematically represented as
substituting values
Now the time taken to travel the 104m distance when walking on the speed ramp is mathematically evaluated as
Answer:
0.104 m
Explanation:
Stress,
Where F is force and A is area. Also, F=mg where m is mass and g is acceleration due to gravity
where
is the elongation and l is the original length
Making the subject then
By substituting the given values and taking g as 9.81 then