Q1: Select the right answer for the following: 1- The coefficient of restitution for inelastic bodies is: (A) Zero (B) between zero and one (C) one (D) more than one 2- if the disk having a radius of 0.3 m rotates with an initial angular velocity of 3 rad/sec and has a constant angular acceleration of 1.5 rad/sec2.The magnitudes of acceleration of a point on the rim of the disk when t 2 sec is: (A) 10.8 m/sec² (B) 14.7 m/sec² (C) 19.2 m/sec² (D) 8.4 m/sec? 3- Defined as the integral of force with respect to time. (A) Momentum (B) impulse (C) velocity (D) acceleration 4- A 0.5-kg ball A is traveling horizontally at 12 m/sec when it strikes a 5 kg block B that is at rest. If the coefficient of restitution between A and B is e = 0.8, then the final velocity of the ball A after impact is: (A) 1.96 m/sec (B) 14.92 m/sec (C) 5.74 m/sec (D) 7.63 m/sec 5- A 300-kg satellite was placed in a circular orbit 1450 km above the surface of the earth. At this elevation the acceleration of gravity is 6.43 m/s?. Knowing that its orbital speed is 28×10° km/h. the kinetic energy of the satellite is (A) 12.23 x 10°J (B) 9.074 x 10° J (C) 8.7 x 10° J (D) 10.113 x 10° J
Q1: Select the right answer for the following: 1- The coefficient of restitution for inelastic bodies is: (A) Zero (B) between zero and one (C) one (D) more than one 2- if the disk having a radius of 0.3 m rotates with an initial angular velocity of 3 rad/sec and has a constant angular acceleration of 1.5 rad/sec2.The magnitudes of acceleration of a point on the rim of the disk when t 2 sec is: (A) 10.8 m/sec² (B) 14.7 m/sec² (C) 19.2 m/sec² (D) 8.4 m/sec? 3- Defined as the integral of force with respect to time. (A) Momentum (B) impulse (C) velocity (D) acceleration 4- A 0.5-kg ball A is traveling horizontally at 12 m/sec when it strikes a 5 kg block B that is at rest. If the coefficient of restitution between A and B is e = 0.8, then the final velocity of the ball A after impact is: (A) 1.96 m/sec (B) 14.92 m/sec (C) 5.74 m/sec (D) 7.63 m/sec 5- A 300-kg satellite was placed in a circular orbit 1450 km above the surface of the earth. At this elevation the acceleration of gravity is 6.43 m/s?. Knowing that its orbital speed is 28×10° km/h. the kinetic energy of the satellite is (A) 12.23 x 10°J (B) 9.074 x 10° J (C) 8.7 x 10° J (D) 10.113 x 10° J
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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Transcribed Image Text:Q1: Select the right answer for the following:
1- The coefficient of restitution for inelastic bodies is:
(A) Zero
(B) between zero and one (C) one
(D) more than one
2- if the disk having a radius of 0.3 m rotates with an initial angular velocity of
3 rad/sec and has a constant angular acceleration of 1.5 rad/sec?.The magnitudes
of acceleration of a point on the rim of the disk when t = 2 sec is:
(A) 10.8 m/sec?
(B) 14.7 m/sec?
(C) 19.2 m/sec?
(D) 8.4 m/sec?
3- Defined as the integral of force with respect to time.
(A) Momentum
(B) impulse
(C) velocity
(D) acceleration
4- A 0.5-kg ball A is traveling horizontally at 12 m/sec when it strikes a 5 kg block B
that is at rest. If the coefficient of restitution between A and B is e = 0.8, then the
final velocity of the ball A after impact is:
(A) 1.96 m/sec
(B) 14.92 m/sec
(C) 5.74 m/sec
(D) 7.63 m/sec
5- A 300-kg satellite was placed in a circular orbit 1450 km above the surface of the
earth. At this elevation the acceleration of gravity is 6.43 m/s?. Knowing that its
orbital speed is 28x10 km/h. the kinetic energy of the satellite is
(A) 12.23 x 10°J (B) 9.074 x 10° J
(C) 8.7 x 10° J
(D) 10.113 x 10° J
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