An object of mass 20 kg is released at point A, slides to the bottom of the 30° incline, then collides with a horizontal massless spring, compressing it a maximum distance of 0.80 m (see below). The spring constant is 525 N/m, the height of the incline is 2.0 m, and the horizontal surface is frictionless. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) A 2.0 m 30° www (a) What is the speed of the object (in m/s) at the bottom of the incline? 4.0988 m/s (b) What is the work of friction (in J) on the object while it is on the incline? 148.402 × J (c) The spring recoils and sends the object back toward the incline. What is the speed of the object (in m/s) when it reaches the base of the incline? m/s 4.0988 (d) What vertical distance (in m) does it move back up the incline? 2.679 x m
An object of mass 20 kg is released at point A, slides to the bottom of the 30° incline, then collides with a horizontal massless spring, compressing it a maximum distance of 0.80 m (see below). The spring constant is 525 N/m, the height of the incline is 2.0 m, and the horizontal surface is frictionless. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) A 2.0 m 30° www (a) What is the speed of the object (in m/s) at the bottom of the incline? 4.0988 m/s (b) What is the work of friction (in J) on the object while it is on the incline? 148.402 × J (c) The spring recoils and sends the object back toward the incline. What is the speed of the object (in m/s) when it reaches the base of the incline? m/s 4.0988 (d) What vertical distance (in m) does it move back up the incline? 2.679 x m
Introductory Circuit Analysis (13th Edition)
13th Edition
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Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:An object of mass 20 kg is released at point A, slides to the bottom of the 30° incline, then collides with a horizontal massless spring, compressing it a maximum distance of
0.80 m (see below). The spring constant is 525 N/m, the height of the incline is 2.0 m, and the horizontal surface is frictionless. (Due to the nature of this problem, do not
use rounded intermediate values in your calculations-including answers submitted in WebAssign.)
A
2.0 m
30°
www
(a) What is the speed of the object (in m/s) at the bottom of the incline?
4.0988
m/s
(b) What is the work of friction (in J) on the object while it is on the incline?
148.402
× J
(c) The spring recoils and sends the object back toward the incline. What is the speed of the object (in m/s) when it reaches the base of the incline?
m/s
4.0988
(d) What vertical distance (in m) does it move back up the incline?
2.679
x m
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