Manny Aragon

A force of 297.0 N is used to push a 165 kg mass 30.0 m horizontally in 3.00 s. (a) Calculate the work done on the mass. Enter a number.1 kJ (b) Calculate the power developed. Enter a number.2 kW

A car is driven at a constant speed of 76 km/h down a road. The car's engine delivers 48 kW of power. Calculate the average force that is resisting the motion of the car. Enter a number.1 N

A horizontal force of 790 N is needed to drag a crate across a horizontal floor with a constant speed. You drag the crate using a rope held at an angle of 33° (from the horizontal). (a) What force do you exert on the rope? Enter a number.1 N (b) How much...

The graph in Figure 10-22 shows the force and displacement of an object being pulled. Figure 10-22 (a) Calculate the work done to pull the object 7.0 m. 1150 J (b) Calculate the power that would be developed if the work was done in 2.4 s. Enter a number.2...

Brutus, a champion weightlifter, raises 243 kg of weights a distance of 2.65 m. (b) How much work is done by Brutus holding the weights above his head? Enter an exact number.2 J (e) If Brutus completes the lift in 2.7 s, how much power is developed? Enter...

A lawn roller is pushed across a lawn by a force of 125 N along the direction of the handle, which is 22.5° above the horizontal. If 63.5 W of power is developed for 90.0 s, what distance is the roller pushed? 152.4 m

Question part Points Submissions 1 0/1 1/3 Total 0/1 A 13.0 m long conveyor belt, inclined at 30.0°, is used to transport bundles of newspapers from the mailroom up to the cargo bay to be loaded on to delivery trucks. Each newspaper has a mass of 1.0 kg,...