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Question 1: a. Three uniform spheres of masses m1 = 2.50 kg, m2 = 4.00 kg, and m3 = 7.50 kg are placed at the corners of a right triangle (see figure below). Calculate the resultant gravitational force on the object of mass m2, assuming the spheres are isolated from the rest of the Universe. (__________î +________ ĵ) × 10−11 N. b. A simple pendulum makes 135 complete oscillations in 2.60 min at a location where g = 9.80 m/s2.  i.  Find the period of the pendulum. ii. Find the length of the pendulum.

Question 1: a. Three uniform spheres of masses m1 = 2.50 kg, m2 = 4.00 kg, and m3 = 7.50 kg are placed at the corners of a right triangle (see figure below). Calculate the resultant gravitational force on the object of mass m2, assuming the spheres are isolated from the rest of the Universe. (__________î +________ ĵ) × 10−11 N. b. A simple pendulum makes 135 complete oscillations in 2.60 min at a location where g = 9.80 m/s2.  i.  Find the period of the pendulum. ii. Find the length of the pendulum.

College Physics
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter3: Two-dimensional Kinematics
Section: Chapter Questions
Problem 22PE: A farmer wants to fence off his four-sided plot of flat land. He measures the first three sides,...
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Question 1:

a. Three uniform spheres of masses m1 = 2.50 kg, m2 = 4.00 kg, and m3 = 7.50 kg are placed at the corners of a right triangle (see figure below). Calculate the resultant gravitational force on the object of mass m2, assuming the spheres are isolated from the rest of the Universe. (__________î +________ ĵ) × 10−11 N.

b. A simple pendulum makes 135 complete oscillations in 2.60 min at a location where g = 9.80 m/s2. 

i.  Find the period of the pendulum.

ii. Find the length of the pendulum.

(0, 3.00) m (-4.00, 0) m m3 F32 mi 12 0 m2 x
Transcribed Image Text:(0, 3.00) m (-4.00, 0) m m3 F32 mi 12 0 m2 x
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