VA Assignment 2: one-Dime x G An object moving with u x MC A Race Car Movessuch
ID: 1523015 • Letter: V
Question
VA Assignment 2: one-Dime x G An object moving with u x MC A Race Car Movessuch x MY A certain car is capable c x CA Tennis Player Tosses A x eLK C www.webassign ne 15467737 Q14 t/web/Student/Assignment-Responses/submit?dep (a) Determine the particle's speed at t 10.0 s and at t 20.0 s. t 10.0 s 20 m/s t 20.0 s 5 m/s (b) Determine the distance traveled in the first 20.0 s Enter your answer to one decimal place.) 262.5 Need Help? Read It 7. -l 1 points SerCP10 2.P 023. WI My Notes Ask Your Teacher A certain car is capable of accelerating at a rate of 0.52 m/s How long does it take for this car to go from a speed of 25 mi/h to a speed of 32 mi/h? Need Help? Read It Watch It 8. 2/2 points l Previous Answers SerCP102 P.025. My Notes Ask Your Teacher A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 140 mi/h in 2.20 s (a) Find the average acceleration of the plane. 28.3 m/s (b) Assuming the acceleration is constant, find the distance the plane moves 68.486 Need Help? Read It a 827 AM /21/2017Explanation / Answer
1 mi/h = 0.44704 m/s
7) 25 mi/h = 11.176 m/s
32 mi/h = 14.3053 m/s
v = u +at
t = (v - u) / t = (14.3053 - 11.176) / 0.52
= 6.018 s
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