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Questions and answers by
Oscar chilembo
Questions (3)
A pump is needed to lift water from a well though a height of 3.0 m at a rate of
0.6kg/min. What must be the minimum power of the
2 answers
874 views
Under normal conditions the human heart converts about 13.0 J of chemical energy
body. (a) Determine the number of Calories
1 answer
500 views
A skier traveling 11.0 m/s reaches the foot of a steady upward 19° incline and
glides 15 m up along this slope before coming to
1 answer
705 views
Answers (1)
We are going to calculate force first F=mgsinÕ F=(70g)(9.8)sin15° F=177.55N now calculate the velocity in m/s 3.1km/h×(1000m/1km)×(1h/3600s This is dimensions analysis, cancelling km and h we get 0.86m/s Then we can calculate for power using the
