You are driving down the road at 34.2 meters per second when you suddenly see a fallen tree blocking the road 59.8 meters in front of you. You decelerate at a steady pace when you press the brake pedal. What acceleration is required for you to halt 8.7 meters in front of the tree?

Q: You are driving down the road at 34.2 meters per second when you suddenly see a fallen tree blocking…

A: Solution:-Given thatInitial speed (u)=34.2 m/sdistance of the tree from vehicle (x)=59.8 mStopping…

Q: A driver is initially traveling 21.1m/s to the right and then slams on the brakes to accelerate at a…

A:

Q: A typical sneeze expels material at a maximum speed of 44.9 m/s. Suppose the material begins inside…

A:

Q: You are driving down the road at 34.2 meters per second when you suddenly see a fallen tree blocking…

A:

Q: A car is traveling in a straight line. Its position along the x-axis is given by the function x(t) =…

A: Given: The position function is given as xt=2.5i^ m/st+3.5i^ m/s2t2-2.6 i^ m/s2.

Q: An object is initially at rest and accelerates at a rate of 3.50 m/s2 in the positive x-direction.…

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Q: A speeder travelling at a constant velocity of 40 m/s passes by a police car that is initially at…

A: Given:  The  velocity of the speeder is v = 40 m/s  The police car is initially on the rest.  The…

Q: A ball is thrown upward at time t=0 from the ground with an initial velocity of 14 m/s (~ 31 mph).…

A: The initial velocity of the ball u=14 m/s At the maximum height the velocity of the ball will become…

Q: cheetah spots a gazelle 60.0 m away.  The cheetah accelerates at 7.5 m/s2 toward the gazelle.  The…

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Q: An object is initially at rest and accelerates at a rate of 3.50 m/s² in the positive x-direction.…

A: The time required by the object to move 50 m from the initial position is 5.34 s

Q: A particle moves in a straight line with an initial velocity of 0 m/s and a constant acceleration of…

A: The equation of he kinematics, which relates the position, velocity , acceleration and the time for…

Q: In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a…

A: Use the kinematic equation to solve for the acceleration of the Thunderbird to stop over a distance…

Q: mits. His acceleration is a constant 4.0. At time t=0 he is 5.0 m east of the signpost, moving east…

A: Given thatConstant acceleration (a)=4.0 m/s2At t=0 , motorcyclist is 5 m eastwith velocity (u)=15…

Q: A ball is thrown upward at time t=0 from the ground with an initial velocity of 6 m/s (~ 13 mph).…

A: Introduction: Given problem is based on the Projectile motion. Projectile motion is one the type of…

Q: You are walking over to where you think the bus stop is at the bottom of the hill. You are standing…

A: Given information: The constant velocity of the bus (v) = 5.00 m/s The distance of the rare end of…

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…

Q: Driving down the road at a speed of 37.0 m/s, you suddenly notice a fallen tree blocking the road a…

A:

Q: Driving down the road at a speed of 39.1 m/s, you suddenly notice a fallen tree blocking the road a…

A: Calculate the distance covered by the vehicle before coming to the rest. d=93 m−5.9 md=87.1 m

Q: In an action movie, the villain is rescued from the ocean by grabbing onto the ladder hanging from a…

A: Using kinematics,

Q: in the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a…

A:

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…

Q: How much time, at most, does the man have to get out of the way?

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Q: A driver is traveling 18.0 m/s when she sees a red light ahead. Her car is capable of decelerating…

A: Given u=18m/s (initial velocity of car) t1=0.380 s (time for driver to hit the brakes) Distance…

Q: A typical sneeze expels material at a maximum speed of 44.9 m/s. Suppose the material begins inside…

A: maximum velocity (v) = 44.9 msinitial velocity (u) = 0 msdistance moved while accelerating (d) =…

Q: you are driving your car along a country road ar a speed of 23.8m/s. As you come over the crest of a…

A:

Q: A ball is thrown upward at time t=0 from the ground with an initial velocity of 14 m/s (~ 31 mph).…

A: The initial velocity of the ball u =14 m/s The acceleration of the ball is the acceleration due to…

Q: A locomotive is accelerating at 3.55 m/s2. It passes through a 22.3-m-wide crossing in a time of…

A: So, the time required to reach the speed of 33.m/s , at t = 9.189 sec

Q: A car is traveling at a speed of 30 m/s, a typical highway speed, on wet pavement. The driver sees…

A: Initially, speed of the car was, u = 30 m/s. The driver took t1 = 0.75 s to apply the brake Distance…

Q: car is driving along 15 m/s and is approaching a crosswalk with a baby carriage in the middle. The…

A:

Q: A speeding car is traveling at a constant 30.0 m/s when it passes a stationary police car.If the…

A: Speed of the speeding car = 30 mstime elapsed before the police started = 1 sec

Q: Driving down the road at a speed of 32.7 m/s, you suddenly notice a fallen tree blocking the road a…

A: Given data:  Initial velocity (Vi) = 32.7 m/s Distance of tree = 67.9 m Stop in front of tree at…

Q: You're driving down the highway late one night at 20m/s when a deer steps onto the road 35m in front…

A: Given data:  Initial velocity (Vi) = 20 m/s Brakes applied after time (t) = 0.5 s Acceleration (a) =…

Q: The velocity and acceleration of an object at a certain instant are i = (3.0 m/s)j %3D å = (5 m/s²)i…

A: The velocity of an object at a given instant = 3 ms j^The acceleration of an object at a given…

Q: You are arguing over a cell phone while trailing an unmarked police car by 27.0 m. Both your car and…

A:

Q: A speeder travelling at a constant velocity of 40 m/s passes by a police car that is initially at…

A:

Q: ow far is the tractor in front of you when you finally stop?

A: initial speed u = 23.6 m/s  acceleration a = - 7.2 m/s2  final speed v = 0

Q: In a 25 storey building, the elevator starting from rest at first floor is accelerated at 0.8m/sec2…

A: The acceleration(a) is 0.8 m/sec2.The time (t1) is 5 sec.The time t2 is 10 sec.The time t3 is 3…

Q: If a driver is initially going 35.5m/s to the left and then slams on the brakes to accelerate at a…

A: SOlution: Given that initial velocity u = 35.5 m/s acceleration  = 3.8 m/s2

Q: You are traveling in a convertible with the top down.the car is moving at a constant velocity of…

A:

Q: A hot-air balloon is drifting in level flight due east at 3.0 m/s due to a light wind. The pilot…

A: Given: The velocity is v=3 m/s. The altitude is y=20 m. The height is d=130 m. The expression for…