Driving down the road at a speed of 32.7 m/s, you suddenly notice a fallen tree blocking the road a distance of 67.9 m ahead of you. You step on the brake pedal and decelerate at a constant rate. What must the magnitude of your acceleration be so that you will come to a stop 7.1 m in front of the tree? 7.13 m/s^2 17.59 m/s^2 8.79 m/s^2 7.87 m/s^2

Q: A bus travels 2.0 x 102m with a constant acceleration of magnitude 1.6 m/s2. How long does the…

A: Given   Distance d= 2*10² m Acceleration=a =1.6 m/s² Vi = initial velocitt = 8.0 m/s

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A: U = 10m/s  H= 210 m

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Q: Problems 1-4 Information: A bird flies in a straight line at position s(t) = 3cos(2t) + 4t + t…

A: Given: The distance flew by the bird is a function of time. s(t)=3cos(2t)+4t+t3 meters.

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A: a. the acceleration of the particle is

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Q: You stand at the edge of a 22.0 m high cliff and throw a stone straight down with a speed of 8.00…

A: Initial velocity, u = 8 m/sFinal velocity, v = 22.3 m/s

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Q: constant acceleration as it slides down a frictionless incline. The block is released from rest at…

A: GivenThe block is released from restInitial velocity of block is zero, u=0At Distance, s=7 m , v=3.8…

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Q: Driving down the road at a speed of 30.1 m/s, you suddenly notice a fallen tree blocking the road a…

A: Given in question -  Speed(v) = 30.1 m/s Distance(D) = 78.5m Distance before tree(d) = 7.1 m To find…

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Q: rts from rest, then accelerates at a constant rate over a distance of 73 m. It then immediately…

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A: Height, H =50 m  initial velocity, u = 25 m/s

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A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: From the top of the engineering building, you throw a ball vertically upward. The ball strikes the…

A: Given : t=4s, h=35m, g=10m/s2 Let the initial velocity of the ball be u. Applying kinematic…

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Q: A student begins at rest and then walks north at a speed of v1 = 0.55 m/s. The student then turns…

A: Given: Speed v1 = 0.55 m/s along north direction Speed v2 = 0.53 m/s along south direction Taking…

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Q: An object starts at rest.  It accelerates in the +x direction at 6.6m/s^2 for 5.2 sec.  How far does…

A: Given: Initial velocity (u) = 0 ......(object is at rest) Acceleration (a) = 6.6 m/s2 Time (t) = 5.2…

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Q: As an airplane is taking off at an airport its position is closely monitored by radar. The following…

A: Given data, Position x1=454.85 m at 5.5 s x2=527.6 m at 6 s x3=605.85 s at 6.5 s

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Q: A wild horse starts from rest and runs in a straight line 29° north of west. After 33 s of running…

A: Given: Horse running in direction = 29° north of west Initial speed, v = 15 m/s time, t = 33 s

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Projectile Motion