Q.3 (a) The velocity of a car is v= 100/ m/s. When t = 2 s, the position is s = 250 m. (i) Identify the initial position of the car. (ii) Examine its position at /= 10 s? (b) An airplane travels along a straight runway with an acceleration shown in Figure Q.3(b). The airplane starts from rest. (i) For the airplane to take-off, a minimum velocity of 180 m/s is required. Examine whether the airplane is able to take off within 30 s. (ii) Solve the airplane's distance travelled after 10 s. a(m/s²) 8 a = 0.8t 10 Figure Q.3(b) 30 - 1(s) (c) Figure Q.3(c) shows an athlete releases a shot in a sport competition. The shot is initially 1.82 m above the ground and its initial velocity is vo = 13.6 ms¹ with angle of 30°.

Q.3 (a) The velocity of a car is v= 100/ m/s. When t = 2 s, the position is s = 250 m. (i) Identify the initial position of the car. (ii) Examine its position at /= 10 s? (b) An airplane travels along a straight runway with an acceleration shown in Figure Q.3(b). The airplane starts from rest. (i) For the airplane to take-off, a minimum velocity of 180 m/s is required. Examine whether the airplane is able to take off within 30 s. (ii) Solve the airplane's distance travelled after 10 s. a(m/s²) 8 a = 0.8t 10 Figure Q.3(b) 30 - 1(s) (c) Figure Q.3(c) shows an athlete releases a shot in a sport competition. The shot is initially 1.82 m above the ground and its initial velocity is vo = 13.6 ms¹ with angle of 30°.

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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