A rickshaw puller pulls the rickshaw by applying a force of 90 N. If the rickaw moves with constant velocity of 108 km/h-1. Find the power of rickshaw puller ?
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- A rickshaw puller pulls the rickshaw by applying a force of 56 N. If the rickaw moves with constant velocity of 36 km/h-1. Find the power of rickshaw puller ?A rickshaw puller pulls the rickshaw by applying a force of 102 N. If the rickaw moves with constant velocity of 38 km/h-1. Calculate the power of rickshaw puller ?A buffalo is capable of producing 250 watts of power. If it pulls a plow with a 50-kg force,determine the inclination (degree) of this force if both the buffalo and the plow movetogether at approximately 3.50 kph
- A young jedi knight applies a force of -34Nx + 14Nỹ through a displacement of -12mx - 4.5mŷ over a period of three minutes. What is the magnitude of this jedi's power?Calculate the force needed to bring a 450-kg canoe to rest from a speed of 10.8 km/h in a distance of 120 m. Express your answer in N.In transporting a patient on a wheelchair up an inclined ramp at an angle of 20° with the horizontalground, an attendant exerts a force of 1400N, resulting in a velocity of 2.5 m/s. Calculate the powerproduced by the attendant.
- 3. A 75kg basketball player generates an average vertical ground reaction force of 1697N over a 0.45 second period of time while jumping to grab a rebounding ball. How high will she jump?(a) Calculate the force needed to bring a 800 kg car to rest from a speed of 85.0 km/h in a distance of 125 m (a fairly typical distance for a nonpanic stop). (b) Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car and compare it with the force found in part (a), i.e. find the ratio of the force in part(b) to the force in part(a). (force in part (b) / force in part (a))Loan pushes a box of mass 11.5 kg is pushed across a rough surface (g = 0.25) for a distance of 4.8 m by a F net of 18 N. If the object reaches a speed of 3.6 m/s by the end of the push, what was its speed at the beginning of the push? Include an FBD 2. Loyer applies a force of 12.8N acts on a 4.5-kg object, pushing it horizontally across a surface where the coefficient of kinetic friction is 0.19. Include an FBD (a) Determine the frictional force acting on the object. (b) Determine the object's acceleration.
- A student wearing frictionless in-line skateson a horizontal surface is pushed by a friendwith a constant force of 47 N.How far must the student be pushed, starting from rest, so that her final kinetic energyis 354 J ?Answer in units of m.A 0.6 ton motor is moving on a le way at a speed of 108 km/hr. How retarding force (in Newton) is reo ?to stop it in a distance of 0.00A softball having a mass of 0.25kg is pitched at 82.8km/h. By the time it reaches the plate, it may have slowed by 15%. Neglecting gravity, estimate the average force of air resistance during a pitch, if the distance between the plate and the pitcher is about 15m.