A child starts sledding from rest, going down a 40 m long 7.5° incline, then coasting across ahorizontal stretch. The mass of the sled + child is 35 kg, and the coefficient of kinetic friction is0.060.a. Make force diagrams for the sled + child on both the hill and the horizontal stretch.b. Resolve the weight of the sled + child along and perpendicular to the plane.c. Determine the reaction force on the sled + child.d. Determine the speed of the sled + child at the bottom of the incline.e. How far along the horizontal stretch does the sled + child travel before stopping?f. What is the total time for the ride?g. Determine how much energy that is transferred to thermal energy.h. Determine how much work is done on the sled + child by the gravitational force while thechild + sled is moving along the incline.i. By considering the energy of the system and energy transformations, determine the speedof the sled + child at the bottom of the incline. Does your answer agree with part d?

Note: According to Bartleby's guidelines first three sub-parts are solved please upload the other…

Answered: A child starts sledding from rest,…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A spring of stiffness k = 500 N/m is mounted against the 10-kg block. If the block is subjected to the force of F = 500 N, The kinetic coefficient friction is 0.5. F = 500 N S 5 3 k = 500 N/m www 4 The velocity of block is ...........when stretched of spring (s) is 0.5 m. O 2.8 m/sec O4.8 m/sec O 1.8 m/sec O 3.8 m/sec
1 Problem During a particularly snowy winter in Charlotte, a child of mass m slides down a ramp starting at rest from point A and encounters the melted grassy area at B before coming to a full stop at C. Assume the ice is frictionless. The height of point A is hĄ and the distance between B and C is L. What is the coefficient of friction of the grass, k? Assume that g = 9.81 m/s², ha = 5 m, m = 20 kg, and L = 10 m. hA P JA Ice B Grass L C
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