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Acceleration and Deceleration
Page 2
Questions (119)
An airplane has a velocity of 185 miles per hour when it lands, how long must the runway be if the plane decellerates at 2.5
2 answers
asked by
Andrew Moore
854 views
Need some help with my homework!
Question 7 a) Acceleration is the rate of change of velocity Use your definition in (a) to show
1 answer
asked by
Iman
481 views
a car traveling on a straight road accelerates uniformly at a meter per second square from its initial speed of 20 meter per
2 answers
asked by
maha
525 views
explain how accceleration can be slowing down.
Calculate the impact force of a 50 kg object travelling at 100km/hr? -> i was
1 answer
asked by
sarah
347 views
A car starts from rest and travels for 5 seconds with a uniform acceleration of 2m/sec^2. The driver then applies the breaks
2 answers
asked by
Megan
683 views
pick a car find its top speed. Asusuming that your chosen car reaches its top speed at the top of a ramp, leaving the ramp
1 answer
asked by
linda
517 views
During a ski race, Kate uniformly accelerated at 3.15m/s^2 for 100meters. She then maintained this velocity for another 100m.
1 answer
asked by
jake
393 views
The speed of the train is reduced from 36 km per hour to 9 km per hour whilst it travels a distance of 150 metres,if the
4 answers
asked by
Faiz
1,811 views
At t=0 a grinding wheel has an angular velocity of 24.0rad/s . It has a constant angular acceleration of 35.0rad/s2 until a
3 answers
asked by
JADE
1,726 views
A driver of a car going 95.0 km/h suddenly sees the lights of a barrier 39.0 m ahead. It takes the driver 0.95 s before he
4 answers
asked by
johnny
1,360 views
Suppose a car is traveling at 17.0 m/s, and the driver sees a traffic light turn red. After 0.570 s has elapsed (the reaction
2 answers
asked by
Mi26
1,332 views
A car traveling at 25 mi/h accelerates to 48 mi/h over the first 5 seconds. It maintains that speed for the next 5 seconds, and
4 answers
asked by
lol
1,322 views
A record turntable rotating at 33 1/3 rev/min slows down and stops in 36s after the motor is turned off.
(a) Find its (constant)
2 answers
asked by
Anonymous
1,268 views
An electric vehicle starts from rest and accelerates at a rate of 2.3 m/s2 in a straight line until it reaches a speed of 17
2 answers
asked by
Ethan
1,162 views
A person wearing a safety belt can withstand an acceleration of -3.0E2 m/s2. How thick should barriers be to safely stop a car
2 answers
asked by
Troy
1,105 views
Traumatic brain injury such as concussionn results when the head undergoes a very large acceleration. Generally, an acceleration
2 answers
asked by
mb
1,078 views
A train normally travels at a uniform speed of 74km/h on a long stretch of straight, level track. On a particular day, the train
2 answers
asked by
Anonymous
1,025 views
A car traveling 132 feet per second decelerates at a constant rate to 60 feet per second in three seconds.
A. what is the
2 answers
asked by
Matt
977 views
A car starts from rest and accelerates at 5 m/s^2 for 4 s, then maintains that velocity for 3 seconds, then decelerates at the
2 answers
asked by
Tammy
975 views
A car is traveling at 25m/s when an accident occurs. The car decelerates 300m/s^2 but the passenger does not slow down because
2 answers
asked by
rob
966 views
ok
Boxes are moved on a converyor blet from where they are filled to the packing station 10m away. The belt is initially
10 answers
asked by
QUESTION
921 views
calculate the distance it traveled before it is brought to rest from 44 km/h if the speed of a truck going south is reduced from
3 answers
asked by
Anonymous
870 views
a driver of a car traveling at 15.6 m/s applies the brakes causing a uniform deceleration of 2.1 m/s squared. how long does it
2 answers
asked by
jane
865 views
A car starts from rest and travels for 5.0 s with a steady acceleration of magnitude 1.5 m/s2. the driver then applies the
2 answers
asked by
Heather
840 views
Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Generally, an acceleration
3 answers
asked by
Grant
813 views
In coming to a stop, a car leaves skid marks 97.0 m long on the highway. Assuming a deceleration of 6.60 m/s2, estimate the
4 answers
asked by
Madison
810 views
A car is moving at 20 m / s before it applies the brakes for 4 s. It slows at a constant rate to 10 m / s. Five seconds after
3 answers
asked by
asfand
804 views
~I got a and b right but c i can't figure out
Freight trains can produce only relatively small acceleration and decelerations.
3 answers
asked by
Lindsey
793 views
A car slows from 22 m/s to 3 m/s with an acceleration of -2.1m/s2. How long does this take?
4 answers
asked by
Mike
765 views
A commuter backs her car out of her garage with an acceleration of 1.40 m/s2. (a) How long does it take her to reach a speed of
1 answer
asked by
joe
736 views
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates
2 answers
asked by
Kurt
735 views
A driver of a car traveling at 15.9 m/s applies
the brakes, causing a uniform deceleration of 1.7 m/s2. How long does it take the
2 answers
asked by
maria
735 views
A particle accelerates from rest at a constant rate for some time and attains a velocity of 8 meter per second. Afterwards it
2 answers
asked by
Priyanka
694 views
A train starts from rest from a station with acceleration 0.2m/s2 on a straight track and then comes to rest after attaining
2 answers
asked by
binalika
700 views
A motor boat is traveling at a speed of 2.4 m/s shuts off its engine at t=0. How far does it travel before coming to a rest if
1 answer
asked by
Anonymous
672 views
A crate is initially at rest on a rough, horizontal floor. The crate moves in a straight line as it is pushed resulting in the
1 answer
asked by
Lyn
659 views
A particle moving with uniform retardation covers distance 18 M, 14 M and 10 m in successive seconds it comes to rest after
1 answer
asked by
ruchiket
635 views
The graph correctly represents the story illustrated in the graph. From the given graph, from the ground floor to the third
1 answer
asked anonymously
38 views
A subway accelerate gradually (a= 1.2 m/s/s) from rest at one station until it is halfway to the next station and then
2 answers
asked by
Diya
595 views
if a train at 72kmphr is to be brought to rest in a distance of 200 m then its retardation is A 20m/s^2 b 10m/s^2 c 2m/s^2 d
2 answers
asked by
AYESHA
567 views
A car braked at a constant deceleration of 45 ft / s2, producing a skid mark measuring 115 feet before coming to a stop.
How fast
2 answers
asked by
Joey
586 views
A police cruiser is travelling at 24 m/s and slows down at a rate of 0.65 m/s2 until it stops. The distance traveled by the cop
2 answers
asked by
Pimp
530 views
when a traffic light turns green, a car accelerates at a constant rate, the decelerates in the same manner to stop at the next
2 answers
asked by
anna
545 views
a jetliner traveling northward is landing with a speed of 80 m/s. Once the jet touches down, it has 800 m of runway in which to
2 answers
asked by
Geri
537 views
With an average acceleration of negative 1.2m/s squared, how long will it take a cyclist to bring a bicylcle with an initial
2 answers
asked by
Andrea
549 views
a driver of a car traveling at 17.3 m/s applies the brakes causing a uniform deceleration of 2.8m/s^2. How long does it take the
2 answers
asked by
Tytiana
533 views
At an accident scene, 276-m long skid marks are found on the road. If the car that made these skid marks can decelerate at
2 answers
asked by
Ray
549 views
the driver of a truck going 50 mph applies the brakes giving the truck a deceleration of 4.5 m/s^2 how long will it take the
2 answers
asked by
glenn
520 views
A car starts from rest and accelerates at a rate of 5.75 m/s/s for a time (t1) of 6.76 seconds. The car then maintains a
5 answers
asked by
Can You Help Me?
536 views
If the weight of a vehicle is doubled, would the deceleration of the vehicle be doubled? For example if a car decelerated at
2 answers
asked by
Melody
528 views
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Parent Categories (9)
Angular motion
Dynamics
Forces and Motion
Kinematics
Mechanics
Motion
Motion and Forces
Motion and Speed
Speed and Motion