a train moves with 1000 km/h , the driver pulls the break to stop then the train stopped after 9 s , calculate the acceleration then calculate the needed distance to stop

Q: A truck is traveling at a constant speed of 35 km/h applies the brakes the comes to a complete stop…

A: From kinematics, the expression for the final velocity is:

Q: A motorcyclist drives along a straight road with a velocity of 40.0 m/s [forward]. The driver…

A: Given , Velocity of motorcyclist (ui) = 40m/s ( forward ) Acceleration due to brakes (a) = 6m/s2 (…

Q: A car is moving on a straight road at &8 m/s it is acceleration at 6 m/ s what will be its velocity…

A: According to the equation of motion, final velocity of the car is, v = u + at  Where, v = final…

Q: A car traveling at 60.0 km/hr is 26.0 m from a barrier when the driver slams on the brakes. The car…

A:

Q: A bicycle has a constant velocity of 10 m/s. A person starts from rest and runs to catch up to the…

A: Initial speed of the person, u = 0 m/s Speed of the bicycle, v = 10 m/s Time, t = 30 s Distance…

Q: A bus is cruising at 40 miles per hour when suddenly the driver notices a deer on the road ahead of…

A:

Q: A car comes to a screeching halt from 27 m/s to zero in 2 seconds. What is the acceleration?

A:

Q: A car accelerates from rest at a stop light to a speed of 20m/s with an acceleration of 2.500m/s2.…

A: Answer: Given data, Car accelerates from rest, i.e. initial velocity (u)=0 m/s Final speed for the…

Q: Determine the time it takes.

A:

Q: A car enters the on ramp of a highway at 15 m/s. At this time the car begins to accelerate with…

A: Given:  initial velocity at t = 0 , u = 15 m/s  acceleration, a = (0.5 t + 4) m/s2 time, t = 4…

Q: Mr. Muscedere is traveling at 100km/h. He pushes the breaks and in 15 seconds he is traveling…

A: we know that   acceleration =change in velocity / time.

Q: A jogger runs 10 km in 45 minutes, rests for 10 minutes, and then runs another 8 km in 1 hour. The…

A: Given Data :               Distance traveled by jogger in first 45 minutes (d1) = 10 km = 10×103 m…

Q: What is the average acceleration of a car

A: Given data: The initial velocity of car is:  u = 0 m/s The final velocity of car is: v = 100 m/s The…

Q: In a typical greyhound race, a dog accelerates to a speed of 20 m/s over a distance of 30 m. It then…

A:

Q: A car starts moving from idle and accelerates at a rate of 4 m/ s over a distance of 20m. What is…

A:

Q: A bus is moving at 15 m/s slows down at 1.5 m/s2 to a velocity of 10 m/s. How far did the bus go…

A:

Q: A car starting from rest at a traffic light reaches a speed of 25m/s in 10s . Find the acceleration…

A: Given, A car starting from rest at a traffic light reaches a speed of 25m/s in 10 sec,  i.e. initial…

Q: A subway train starts from rest and accelerates at a rate of 1.60 m/s2 for 14.0 s.  It runs at…

A: Given Vi=0 a1=1.6m/s2 t1=14 sec t2=70sec a2=3.5m/s2

Q: A bicycle travelling at 2.6 m/s reaches a velocity of 3.9 m/s after accelerating at a constant rate…

A: Given data:  Initial velocity (Vi) = 2.6 m/s Final velocity (Vf) = 3.9 m/s Distance traveled (s) =…

Q: A galloping horse has a speed of 12 m/s att- 0. After 50 s its speed is 8 m/s. Calculate the…

A: GivenInitial velocity (u) = 12 m/s at t =0 final velocity (v) = 8 m/s    at t  = 50 s

Q: A car starts from rest and accelerates at a constant rate in a straight line. In the first second…

A: The distance travelled by the car in first second is   △x=v0t+12at23.0 m=(0)t+12a(1.0 s)2 a=6.0 m/s2…

Q: A ball is thrown downward from the top of a building with an initial speed of 25 m/s. Its trikes the…

A: The second equation of motion is  s= u t + 12at2 where, u is the initial velocity, a is the…

Q: A car has a constant acceleration as it passes two checkpoints. The time is taken between…

A: Given data The time between the two checkpoints is t=4 s The acceleration of the case is, a=6 m/s2…

Q: A bike starting from rest acquires a speed of 40 m/s in 20 seconds. Then, the bike travels with this…

A: A bike starting from rest acquires a speed of 40 m/s in 20 seconds. Then, the bike travels with this…

Q: An object moves at a constant speed of 6 m/s. This means that the object Has a positive acceleration…

A:

Q: A car starts from 2.0 m/s and accelerates at 4.0 m/s2 for 6.0 s. How far has it traveled?

A: The given values are,

Q: what is the acceleration of an object thrown vertically down with a speed of 10 m/s

A: Any object thrown vertically downwards is subjected to the force of gravity. Any object moving under…

Q: . An airplane taking off has a 500 m runway. If it starts from rest, constantly accelerates, and…

A: Given data:  Initial velocity (Vi) = 0 m/s Distance traveled (Δs) = 500 m Time (t) = 30 seconds…

Q: car goes from 5 m/s to 22 m/s in a distance if 320. what is the acceleration

A:

Q: A car starts from rest and accelerates at 2.1 m/s2 until it reaches a speed of 20 m/s.  The car then…

A: The time of travel during the acceleration of 2.1m/s2 can be obtained as…

Q: A car can cover 37m in 9s while eventually slowing down to a final velocity of 2.6m/s. Find the cars…

A: distance covered (d) = 37 m time taken (t) = 9 seconds final velocity (v)= 2.6 ms

Q: A motorcycle rider speeds off a 20-meter-high cliff. How fast must the driver leave the cliff to…

A: Given data: Height of the cliff y =- 20.0 m Height of the cliff from the ground x =100 m

Q: A new car is supposed to reach 60 m/s from a resting point in 3 seconds. What is the car’s average…

A: Write the kinematic equation

Q: A car starting from rest is accelerated for 1m/s^2 for 4 seconds. It continue constant velocity for…

A: solution:

Q: A drag racer crosses the finish line and the driver applies the brakes to slow down. The brakes are…

A: Given data: Initial speed of the car, u=12 m/s Initial time, t1=7 s Final speed, v=5 m/s Final time,…

Q: A bicycle accelerates from rest at a constant rate of 2.12 [m/s*] for 15.0 [s]. It then ran at a…

A: Given data:  Initial velocity (v0) = 0 m/s Acceleration (a) = 2.12 m/s2  For time (t) = 15.0 s Then…

Q: A car accelerates from rest at a constant rate of 2.12 m/s² for 15.0 s. It then ran at a constant…

A:

Q: A car starts from rest accelerating at 2.80 m/s", when a truck traveling by a constant speed of 20.0…

A:

Q: At time t = 0, a car has a velocity of 16 m/s. The brakes are applied so the car decelerates at 2…

A: given initial velocity u = 16 m/s acceleration of car a= -2m/s2. (Negative sign represents…

Q: An automobile is travelling down a straight path. The initial speed of the automobile is 100 ft/s.…

A:

Q: A car is moving on a straight road at 8 m/s it is acceleration at 6 m/s what will be its velocity…

A: Given data :              Initial velocity = U               Acceleration = a                Time =…

Q: Omar throws a rock down with speed 14 m/s from the top of a tower. The rock hits the ground after…

A:

Q: The car slows down at constant acceleration of 4 m/s^2 from the velocity of 40 m/s. Detemine the…

A: Given  Retardation (a) = 4 m/s2  Initial velocity (vi) = 40 m/s   time (t) = 10 s    Velocity of car…

Q: A car breaks down, and it coasts to a stop at a constant deceleration. It travels 10 m in 5.0 s.…

A: Distance travelled, s = 10 m Time taken, t = 5.0 s Final speed, v = 0 m/s

Q: A runner travels 100 m in 10.0 s. Assume that it takes him 1.50 s to reach his top speed, which is…

A:

Q: A penny is dropped from the top of a high cliff. After 3 seconds, how fast is the penny traveling?…

A:

Q: An object is experiencing a constant acceleration. At time 3 s, it is traveling at 32 m/s. At a…

A: Given, Time t1 = 3 s Initial velocity u = 32 m/s Time t2 = 7 s Final velocity v = 30 m/s

Q: car consistently completes a 30 km in 5 minutes. What is the speed of the car ?

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 –