Oscar chilembo

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 rest. What was the average coefficient of friction? (use conservation of energy method or work energy theorem)

Under normal conditions the human heart converts about 13.0 J of chemical energy body. (a) Determine the number of Calories required to power the heart for one day, per second into 1.30 W of mechanical power as it pumps blood throughout the given that 1 C...

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 pump in watts, and in horsepower?

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 formula P...