Ⓒ Time Left: 00:09:53 The 57.25 kg crate is hoisted up the 0 = 31° incline by the pulley system and motor M. If the crate starts from rest and, by constant acceleration, attains a speed of 8.30 m/s after traveling 4.98 m along the plane, determine the supplied power to the motor if the crate has moved 8 m and the coefficient of kinetic friction between the plane and the crate is μk = 0.3. Neglect friction along the plane. The motor has an efficiency of 0.668. 0° C M

Ⓒ Time Left: 00:09:53 The 57.25 kg crate is hoisted up the 0 = 31° incline by the pulley system and motor M. If the crate starts from rest and, by constant acceleration, attains a speed of 8.30 m/s after traveling 4.98 m along the plane, determine the supplied power to the motor if the crate has moved 8 m and the coefficient of kinetic friction between the plane and the crate is μk = 0.3. Neglect friction along the plane. The motor has an efficiency of 0.668. 0° C M

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 66P: A T-shirt cannon launches a shirt at 5.00 m/s from a platform height of 3.00 m from ground level....

See similar textbooks

Similar questions

A wagon with its passenger sits at the top of the hill. The wagon is giving a slight push and rolls 100. m down an incline (10.0° above the horizontal) to the bottom of the hill. What is the wagon’s speed when it reaches the end of the incline. Assume that the retarding force of friction is negligible.
A waterslide is 42m long and has a vertical drop of 12m. If a 60kg woman starts down theslide with a speed of 3.0m/s, calculate her speed at the bottom. There is a 120N averagefriction force opposing her motion.
A box is released from rest at the position shown. Determine its speed (m/s) after traveling 1.5m along the 35.1ᴼ inclined surface if the coefficient of kinetic friction between the box and the surface is 0.2. Round off only on the final answer expressed in 3 decimal places.
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.
A frictionless plane is 10.0 m long and inclined at 35.0°.A sled starts at the bottom with an initial speed of 5.00 m/sup the incline. When the sled reaches the point at which itmomentarily stops, a second sled is released from the top ofthe incline with an initial speed vi. Both sleds reach the bottomof the incline at the same moment. (a) Determine the distance that the first sled traveled up the incline. (b) Determinethe initial speed of the second sled.
Assume a 2510 kg truck is accelerating up a hill with an 18 o incline from an initial speedof 8.33 m/s. If the truck reaches a maximum speed of 27.0 m/s and gains an elevation of19.5 m. what is the applied force from the engine?
A stray dog catcher drives 34km east, picks up some dogs, then drives 10km west to drop them off before continuing east for 21km. 30N of force is being applied constantly parallel to the dog catcher's motion. Solve for the work the dog catcher has accomplished.
Brakes of force 35671.05 N are applied to stop a car on a road having coefficient of friction 0.61. What is the maximum possible mass for the car to have for this sytem (to work? (kg
If the motor exerts a constant force of 300 N on the cable, determine the speed (ft/s) of the 20-kg crate when it travels s = 10 m up the plane, starting from rest. The coefficient of kinetic friction between the crate and the plane is u = 0.3
A 1-kg block starts sliding up a frictionless 30o inclined plane with an initial velocity of 4.00 m/s. How far does the block go up the ramp before stopping?
A 5,0 kg block starts sliding from rest, at a height of 1,0 m on a slope of 15º, without friction. After it leaves the slope it slides over a horizontal table top where the coefficient of kinetic friction is 0,25. Calculate the total distance that the block covers from when it starts sliding to when it stops.
AS7 kg skier starts from rest at height - 22 m ahove the end of a ski-jump ramp (see the figure). As the skier leaves the ramp, his velocity makes an angle of 0 - 15° with the horizontal. Neglect the effects of air resistance and assume the ramp is frictionless. (a) What is the maximun hcight i of his junmp albove the end of tlhe ramp? (b) If he increased his weight by putting un a 10 kg backpatk, what would h be? Fnd of - (a) Number Units (b) Number Unils