A teacher wants to rearrange his classroom by moving his desk (90 kg) out of position. The teacher pulls the desk with a constant force of 114 N at an angle θ with respect to the horizontal over a distance of 5.0 m. If the desk starts from rest and reaches a speed of 3.0 m/s. Determine the angle made by the force applied by the teacher. a. 40° b. 45° c. 30° d. 35° e. 500
A teacher wants to rearrange his classroom by moving his desk (90 kg) out of position. The teacher pulls the desk with a constant force of 114 N at an angle θ with respect to the horizontal over a distance of 5.0 m. If the desk starts from rest and reaches a speed of 3.0 m/s. Determine the angle made by the force applied by the teacher. a. 40° b. 45° c. 30° d. 35° e. 500
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter11: Energy And Its Conservation
Section11.2: Conservation Of Energy
Problem 18PP
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A teacher wants to rearrange his classroom by moving his desk (90 kg) out of position. The teacher pulls the desk with a constant force of 114 N at an angle θ with respect to the horizontal over a distance of 5.0 m. If the desk starts from rest and reaches a speed of 3.0 m/s. Determine the angle made by the force applied by the teacher.
a.
40°
b.
45°
c.
30°
d.
35°
e.
500
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