[6] #1. Point masses m1 = 15.2 kg and m2 = 3.95 kg are located 280 cm apart. Wha
ID: 3280386 • Letter: #
Question
[6] #1. Point masses m1 = 15.2 kg and m2 = 3.95 kg are located 280 cm apart. What is the magnitude of the force that m1 exerts on m2?
Answer: a. 1.06 x 10-10 N. b. 2.08 x 10-10 N. c. 5.11 x 10-10 N. d. 7.93 x 10-10 N. e. 8.95 x 10-5 N. f. __________
M2
[5] #2. A solid spherical mass M1 = 0.35 kg and radius 3.80 cm is concentric with a spherical shell
M2 = 0.54 kg and radius 7.20 cm as shown. A point mass m = 50.6 grams is at a distance of 4.88 cm from M1
the center of the solid sphere. Based on the shell theorems, determine the gravitational force on m. m
Answer: a. 4.96 x 10-10 N. b. 6.30 x 10-10 N. c. 7.64 x 10-10 N. d. 9.85 x 10-10 N. e. 1.48 x 10-9 N
Q1 = - 55.6 C and Q2 = -26.4 C, which are separated by a distance of 7.2 cm. Q1
Q2
[6] #3. Determine the force on Q2 due to Q1.
Answer: a. 2.55 x 103 N, to the right. b. 4.14 x 103 N, to the right. c. 6.08 x 103 N, to the right. d. 3.33 x 103 N, to the left. e. 5.68 x 103 N, to the left. f. _______________________
[8] #4. Determine the location where the net electric field due to Q1 and Q2 is zero?
Answer: a. 2.94 cm, left of Q2. b. 3.07 cm, left of Q2. c. 3.16 cm, left of Q2. d. 2.88 cm, left of Q1.
e. 3.56 cm, right of Q1. f. _______________________
Explanation / Answer
#1)
m1 = 15.2 Kg
m2 = 3.95 Kg
d = 2.80 m
magnitude of force f1 = G * m1 * m2/d^2
magnitude of force f1 = 6.673 *10^-11 * 15.2 * 3.95/2.80^2
magnitude of force f1 = 5.11 * 10^-11 N
the magnitude of force c) 5.11 *10^-11 N
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