Answer:
133.62 kmh.
Explanation:
Time provided = 3.25 hours.
Distance to be covered 300 km
Times spent in first 100 km = 1 hour
Time spent in next 43 km
= 43 / 40 = 1.075 hours
Total time spent = 2.075 hours
Total distance covered = 143 km
Distance remaining = 300 - 143
=157 km .
Time remaining = 3.25 - 2.075
= 1.175
Speed required = Distance remaining / time remaining
= 157 / 1.175
= 133.62 kmh.
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Answer:
not moving
static actually means lacking in movement or action❤
Answer: w = 4.38rad/s
Therefore the initial speed is 4.38rad/s
Explanation:
Given;
Angular distance = 5.7rad
Time = 2.6sec
When moving at constant angular acceleration, the angular distance covered can be given as;
d = ((w0 + w1)/2)t .....1
Where d = angular distance = 5.7rad
w = initial angular speed
w1 = final angular speed = 0
t = time of change. = 2.6 s
Substituting to equation 1 we have;
5.7 = ((w+0)/2)×2.6
w = 5.7×2/2.6
w = 4.38rad/s
Therefore the initial speed is 4.38rad/s
I can't see the screw (if you'll pardon the expression), so I don't know a thing about it, and can't answer the question. There's no given information in the question.