How far will a car travel in 3 seconds if it has an initial velocity of 19 ft/s and decelerated at a rate of 7.333 ft/s^2? * (1 Point) 22 ft 26 ft 30 ft 28 ft 24 ft
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With FBD and Solution. The answer is in the choices one of those 5 answers is correct
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- A truck moves with a speed of 68 mi/h. how much is this speed in S.I. units? (1 mile = 1.609 km) O a. 30.39 m/s O b. 152.14 m/s O c. 30.39 km/h O d. 18.89 m/s15. A ball is hit upward with an initial velocity of 128 feet per second. After t seconds, its height h(t) is given by the function h(t) = -16t?+128t+4. What is the maximum height in feet of the ball? a. 268 feet b. 256 feet C. 264 feet d. 260 feetThe exhaust fan in a factoryy moves 40OCEM Cubic feet per minute)through the building. Giren that I.00 ini= 2.54 cm, how many cubic meters per second of freshair does this fan move ? Ao.298m²/sec B22.7 m3/sec cle°/sec m²/sec 189 m 3 D/2.05 m
- Vino 30. A ball is thrown from an initial height of 6 feet at a rate of 42 ft/s to someone standing on a roof 30 feet above the ground. Use the discriminant to determine if the ball will reach the person on the roof. Again, use the formula h = -16 + vt + c. a. yes bns analom d+x lo ritblw s.andtom A+x to rfipnol a esd olsq slugnstoos A E nilb art ptsq ert to anoianamib art bniA b. no Islo) s 5.016 maybe not enough information С. u pA 30 M m Thyd m ar d.One of my questions got solved and helped me so much thank you! Here’s another one please. Two trains are 9.82km apart. They travel in opposite directions, to each other. Train A has a speed of 5.87 km/h at departure and an acceleration of 0.29m/s squared. Train B has a speed of 20.3m/s at the start and an acceleration of 0.69m/s squared. B. Determine when the trains meet.A bus travels with a speed of 95 mi/h. This speed in S.I. units is (Given 1 mile = %3D .. 1.609 km) a. 212.55 m/s b. 42.46 m/s c. 342.00 m/s d. 26.39 m/s
- A ball dropped from a height of 30 cm, takes 0.6067 s to reach the ground. What is the acceleration due to gravity (g) at that place in S.I. units ? Select one: a. 0.988 b. 9.8 С. 163 O d. 1.63A truck travels with a speed of 59 mi/h. This speed in S.I. units is (Given 1 mile = 1.609 km) O a. 212.40 m/s O b. 26.37 m/s O c. 132.01 m/s O d. 16.39 m/sIII. 16. The floor area of a Boeing 707-230 is 106 m2. Express this area in ft2. 17. Convert a speed of 45 mph to fps. 18. The Silver Sabre has a maximum rate of climb of 4800 ft/min. Determine the rate of climb in ft/s ... sneed 21
- I know the answer to the first part is 3 m/s but I don't know how to get the answer for the second part. What equation should I use/ how do I solve it?particle moves according to a law of motion .. 10). t20. where t measured in seconds and s in feet. (If an answer does not kist, enter DNE.) s = f(t), f(t) = t3 – 8t2 + 24t (a) Find the velocity at time t. v(t) = ft/s (b) What is the velocity after 1 second? v(1) = ft/s (c) When is the particle at rest? (d) When is the particle moving in the positive direction? (Enter your answer using interval notation.) (e) Find the total distance traveled during the first 6 seconds. ft (f) Draw a diagram like this figure to illustrate the motion of the particle. S t = 0 S= 0 t = 6 s= 72 t = 0 s = 0 t = 6 s= 72 t = 0 8 t = t = 0 t = 3 1600 S= 0 S= 0 1600 S = 27 27 (g) Find the acceleration at time t and after 1 second. a(t) = ft/s2 a(1) = ft/s² (h) Graph the position, velocity, and acceleration functions for 0sts6. (A graphing calculator is recommended.) 60 60 40 40 20 20 3 4 5 4 - 20 - 20 60 60 40 40 20 20 3 6. 3 5 a - 20 - 20 (i) When is the particle speeding up? (Enter your answer using interval…asa Ys beogl take this car to reach a velocity of 30 m/s east? How far will the car travel during this time? 3m152 4大号 At=? 7. An object's velocity curing a 10 second time interval is shown by the graph below: Velocity (m's) ou ml gnin AS Teboo Sni lovu 3- MYE 1+ Time (seconds) 10 s lieiio abrgAE w.un 0.0 i abn od to boor lacil 1 3 5 -1+ fooitelae ab -2+ Determine the object's total distance traveled and displacement. Show all work. 大-10sec AK-Xott'sat? よニ105cc Ax-o(0)t5 d=17.sm Ax-? bs 1291 mo do AA noitenfooon or onims Vo =omIs BJAt1= 0, the object's position is x = 2 m. Find the object's position at t= 2, t = 4, t = 7, andt = 10. Show all work. Saboo 01 o iloe l wol d 8. Is it possible to move with constant speed but not constant velocity? Explain your answer. 1es because velocity isaspecel of me obiect with Specifi cation of it's direct ion, boog ad A -to noilol hy the College Board