A rocket-powered sled moves along a track, eventually reaching a top speed of 209 m/s to the east. It then begins to slow down, reaching a complete stop after slowing down for 2.03 s. What was the sled s average acceleration and velocity during the slowdown phase?

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 192 m/s to the west.…

A: Apply the first kinematic equation. Here, v represents the final velocity, u represents the initial…

Q: A car starting from rest moves in a straight line with a constant acceleration of 1.60 m/s² for a…

A: The final velocity before it starts deaccelerating will be

Q: A commuter backs her car out of her garage with a constant acceleration of 1.9 m/s2. Assume that her…

A: According to the Newton's laws of motion , the final velocity of an object is calculated by using…

Q: A car starts from rest and reaches a velocity of  18.0 m/s in 12.0 seconds. The car then continues…

A: For 12.0 seconds ,  Final velocity = 18.0m/s Initial velocity = 0 m/s Time taken = 12.0s…

Q: A police car is traveling at a velocity of 16.0 m/s due north, when a car zooms by at a constant…

A: Initial velocity of police car is Initial velocity of speeder is Reaction time Acceleration of…

Q: S roller coaster rapidly picks up speed as it roles down a slope. As it startx down the slope the…

A:

Q: cheetah can accelerate from rest to 23.5 m/s in 2.00 s. Assume that the acceleration is constant…

A: Given: The initial speed of the cheetah is 0 m/s. The final speed of the cheetah is 23.5 m/s. The…

Q: A soccer ball is released from the top of a smooth incline. After 3.80 s the ball travels 9.1 m. One…

A: Using kinematic equation of motion,

Q: A rocket-powered sled moves along the track, eventually reaching a top speed of 230 m/s to the west.…

A: Given:-             Speed u =  230 m/s.    Final speed v = 0 m/s         Time taken t = 4.42 s…

Q: Problem 22:   A rock takes 2.85 s to hit the ground when it is thrown straight up from the cliff…

A:

Q: The first stretch of a 100-meter dash are covered in 2.00 seconds by a sprinter who starts from rest…

A: Distance covered in first stretch, s = 100 m - 90 m = 10 mTime taken, t = 2 sAcceleration is…

Q: The problem states, "A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it…

A: Given data:  Initial velocity (V0) = 0 m/s Acceleration (a1) = 2.00 m/s2 Velocity (V1) = 20.0 m/s…

Q: (a) A runner starts a race at rest then accelerates for 10.0 s reaching a velocity of 9 m/s. How far…

A: initial velocity = V0= 0 m/s time = t = 10 sec final velocity = V = 9 m/s

Q: Traumatic brain injury such as concussion results when the head undergoes a very large acceleration.…

A: Hence, Hardwood floor magnitude      1670.2m/s2 Hardwood floor duration     1.59 ms Carpeted…

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 car is traveling at 40 mph on a straight road. The driver applies the brakes for 3 sec, producing…

A: initial velocity u= 40mph =17.88m/s duration of brake applied t = 3sec deceleration a = -5.5ft/sec2=…

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 212 m/s to the west.…

A:

Q: A car is traveling along a straight road at a velocity of +33.8 m/s when its engine cuts out. For…

A: We are given initial velocity of car. We are given the final velocity. We are given 2 time intervals…

Q: A car is traveling along a straight road at a velocity of +38.8 m/s when its engine cuts out. For…

A: Consider the average acceleration of the car in the first period be a1, and its average acceleration…

Q: An object starts from rest at time t = 0.00 s and moves in the +x direction with constant…

A: Given data  The object's initial velocity is: u = 0 The object starts at the time: t1 = 0 s The…

Q: A car speeds down the main road at 160 km/h. It passes a police car parked on the side of the road.…

A: Please see the attached images for the solution.If there are queries or if the images are not…

Q: Traumatic brain injury such as concussion results when the head undergoes a very large acceleration.…

A:

Q: than 800 m/s2 lasting for any length of time will not cause injury, whereas an acceleration greater…

A:

Q: Light-rail passenger trains that provide transportation within and between cities speed up and slow…

A: Initial speed of the train = u = 6.0 m/sSpeed after 8 sec = v = 11 m/s To calculate The final speed…

Q: Sophie is a football player. Her teammate passes the ball to her with a speed of 15.0m/s. Sophie…

A: Given:         v1= 15 m/s         v2= 30 m/s        ∆t = 9 ms= 9×10-3s

Q: A motorcycle has a constant acceleration of 4.05 m/s2. Both the velocity and acceleration of the…

A:

Q: Traumatic brain injury such as concussion results when the head undergoes a very large acceleration.…

A: Given: Initial velocity of child v0 = 0. Distance travelled by child d = 0.44 m. Distance travelled…

Q: A car is traveling along a horizontal road with an initial velocity of 17.8 m/s in the positive…

A: The given values are,

Q: A rocket-powered sled moves along a track, eventually reaching a top speed of 230 m/s to the west.…

A: The average acceleration is given as a=(v-u)/t where v is the final velocity and u is the initial…

Q: How long did the ball take to return to the juggler’s hand?

A:

Q: An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until…

A:

Q: A car is coasting backwards down hill at a speed of 3.0m/s when the driver gets the engine started.…

A: Average acceleration

Q: A sprinter accelerates from rest to a top speed with an acceleration whose magnitude is 3.76 m/s 2.…

A: The solution of the above problem is given below

Q: The cheetah is the world’s fastest land mammal and can accelerate from rest to 26.3 m/s in 28.1 s.…

A:

Q: A jet airplane touches down on an airport runway with a speed of 213 km/hr. It slows at a constant…

A:

Q: A car starts from rest at t = 0 s, and speeds up with a constant acceleration of 1.66 m/s2 for 6.00…

A: Given that :a=1.66 m/s2t=6 s

Q: A car is traveling along a straight road at a velocity of +25.8 m/s when its engine cuts out. For…

A:

Q: A driver wants to see how fast his car can go, so he goes out to the salt flats where he can drive a…

A: Given, Initial velocity,u  = 0 m/s ( starts from rest ) Acceleration,a = 8 m/s2 distance travelled…

Q: A motorcycle has a constant acceleration of 4.41 m/s2. Both the velocity and acceleration of the…

A: Given that,  The initial velocity of the motorcycle, vi=16.2 m/s The final velocity of the…

Q: Traumatic brain injury such as concussion results when the head undergoes a very large acceleration.…

A:

Q: A truck on a straight road starts from rest, accelerating at 2 m/s2 until it reaches a speed of 20.0…

A: Given values: When starts from rest, Initial speed, u1=0 m/s Final speed, v1=20 m/s Acceleration,…

Q: the drag racer starts from rest and moves north with a constant acceleration of a1=2.20 m/s2 for…

A: Given:- a1 = 2.20 m/s2 t=95.4 s a2=2.91m/s2

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: Light-rail passenger trains that provide transportation within and between cities speed up and slow…

A:

Q: Bob is cruising leisurely on his bike at 2.4 m/s when Jim passes him, traveling at a constant 10.2…

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –