Question

Screenshot (15).png - Photos share . See all photos Add to a creation secured together O ate clearly. Edit & Create v Homework turned in without following above directions will be subjected to point deductions. 1) [10%] Problem 12-16 A particle is moving along a straight line with an initial velocity of 6 m/s when it is subjected to a deccleration of a = (-15v2) m/s, where v is in mis. Determine how far it travels before it stops. How much time decs this take? 2) [15%] Problem 12-40 An Airplane starts from rest, travels 5000ft down a runway, and after uniform acceleration, takes off with a speed of 162 mi/hr. It then climbs in a straight line with a uniform acceleration of 3 fl/s' until it reaches a constant speed of 220 miltur. Draw the s-l, v-l, and a-t graphis that describe this motion. (Show all mathematical work to obtain this). O OBOGO 3) [15%] Problem 12-36 The s-t graph for a train has been experimentally determined. From the data, construct the v-l and the a-1 graphs from the motion, Osts 40s . For Osts 30s the curve is s-(0.4t m?, and then it becomes straight for 12 30s. 4) [15%] Problem 12-78 A rocket is tired from rest at x-O and travels along a parabolic trajectory described by y -[120(10x] m. If the x component of acceleration is A = (1/4)t m's , determine the rocket's velocity and acceleration when t10s. 9:28 PM Monday 4/23/2018

Number 4

Answer 1

12 di 2