Answer 2
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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P1
Answer 2
![1. Three blocks of masses 3.0, 5.0, and 10.0 kg are connected by massless strings, one of which passes over a
frictionless pulley of negligible mass, as shown below. Draw the FBD of all masses and calculate each of
the following: [C6]
5.0 kg
3.0 kg
a. The acceleration of the 10.0 kg block. [A2]
b. The tension in the string supporting the 5.0 kg block. [A3]
c. The tension in the string connected to the 3.0 kg block. [A2₂]
2. On a circular racetrack of radius 91.1 m, a 1031 kg car takes 25.1 s to complete one lap.
a. Draw the FBD of the car. [C2]
b. What is the centripetal force acting on the car, and which force provides it? [A2]
c. Find the coefficient of friction on the surface of the track. [A3]
3.
Calculate the period of Pluto (in Earth years) given the following data: [A5]
msun 1.99 x 1030 kg
mPluto 1.31 x 10²2 kg
TSP = 5.9 x 10°⁹ km
G=6.67 x 10-¹¹ Nm²/kg²
10.0 kg](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffc8ca1f5-10b5-4e76-9ca1-9785bb9dcba6%2Ff2c012dd-374c-4202-9ae2-a0e78db40dc6%2Ff17it9b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Three blocks of masses 3.0, 5.0, and 10.0 kg are connected by massless strings, one of which passes over a
frictionless pulley of negligible mass, as shown below. Draw the FBD of all masses and calculate each of
the following: [C6]
5.0 kg
3.0 kg
a. The acceleration of the 10.0 kg block. [A2]
b. The tension in the string supporting the 5.0 kg block. [A3]
c. The tension in the string connected to the 3.0 kg block. [A2₂]
2. On a circular racetrack of radius 91.1 m, a 1031 kg car takes 25.1 s to complete one lap.
a. Draw the FBD of the car. [C2]
b. What is the centripetal force acting on the car, and which force provides it? [A2]
c. Find the coefficient of friction on the surface of the track. [A3]
3.
Calculate the period of Pluto (in Earth years) given the following data: [A5]
msun 1.99 x 1030 kg
mPluto 1.31 x 10²2 kg
TSP = 5.9 x 10°⁹ km
G=6.67 x 10-¹¹ Nm²/kg²
10.0 kg
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