Question

15. The position of an object as a function of time is given in meters by x (at + b) +(ct)j. What is its velocity as a function of time? A) v (a+b+ (o)j D) v bi B) v (a+ 2b)t+ (c) C)v (a +2bt)i + (e)) 16. The airplane shown is in level flight at an altitude of 0.50 km and a speed of 150 km/h. At what distance d should it release a heavy bomb to hit the target X? Take g = 10 m/s. 150km/h 0.5km A) 150 m C) 417 m E) 15,000 m B) 295 m D) 1500 mm HrT 17. Which of the following is NOT an example of accelerated motion? A) Vertical component of projectile motion B) Circular motion at constant speed C) A swinging pendulum D) Earth's motion about sun E) Horizontal component of projectile motion

Answer 1

Date position vector _억 ctdaet respeet t lime olt ott Aisplane So kmph Altitudes km dl if bamb is rcleavel m plane it take sme time reach the gaund e Con

Dato: (vertical velody) -20 so0 2 S. t1o cecondl Her zndel dience taveltea by eomi in 1o s arell v vclbcty plane Sox s /8 12 Convert kmxlh th not rl recf 10n

Date: Horizontal amponent-$-prej echle metion あー not exctiople -e ㄑㄧ˙-fate accelerated motion ectle mot on o し.. AC.ce-p 29 12