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A large cardboard box of mass 0.75 kg is pushed across a horizontal floor by a force of 4.5N. The motion of the box is opposed by (1) a frictional force of 1.5 N between the box and the floor, and (ii) an air resistance force kv, where k- 6.0 x 10-2 kgm' and v is the speed of the box in ms. Sketch a diagram showing the directions of the forces which act on the moring box. Calculate maxiamum values fur (a) the acceleration of the box, (b) its speed. [L)

A large cardboard box of mass 0.75 kg is pushed across a horizontal floor by a force of 4.5N. The motion of the box is opposed by (1) a frictional force of 1.5 N between the box and the floor, and (ii) an air resistance force kv, where k- 6.0 x 10-2 kgm' and v is the speed of the box in ms. Sketch a diagram showing the directions of the forces which act on the moring box. Calculate maxiamum values fur (a) the acceleration of the box, (b) its speed. [L)

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A61 A large cardboard box of mass 0.75 kg is pushed across a horizontal floor by a force of 4.5N. The motion of the box is opposed by (1) a frictional force of 1.5 N between the box and the floor, and (ii) an air resistance force k, where k= 6.0 x 10-2 kgm' and v is the speed of the box in ms. Sketch a diagram showing the directions of the forces which act on the moring box. Calculate maximun values for (a) the acceleration of the box, (b) its speed. [L]
Transcribed Image Text:A61 A large cardboard box of mass 0.75 kg is pushed across a horizontal floor by a force of 4.5N. The motion of the box is opposed by (1) a frictional force of 1.5 N between the box and the floor, and (ii) an air resistance force k, where k= 6.0 x 10-2 kgm' and v is the speed of the box in ms. Sketch a diagram showing the directions of the forces which act on the moring box. Calculate maximun values for (a) the acceleration of the box, (b) its speed. [L]
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