Determine the time when the deceleration becomes zero. Determine the stopping distance. Determine the speed of the train before the brakes were applied

Q: The fastest measured pitched baseball left the pitcher's hand at a speed of 45.0 m/s. If the pitcher…

A: Given data V=45 m/secs=1.5 m

Q: A car travels at 30.0 m/s and sees a truck 100.0 m ahead of it that is traveling at 20.0 m/s. The…

A:

Q: During the 1988 Winter Olympics in Calgary, Alberta the brakeman of a two-man bobsled team slows the…

A: Given data:  Initial velocity (u) = 24.8 m/s Final velocity (v) = 12.2 m/s Time (t) = 1.4 s…

Q: Even when moving around a corner, there is no acceleration as long as the object has a constant…

A: The given statement says that there is no acceleration as long as the object has a constant speed,…

Q: Which of the following statements is (are) correct? If the average velocity is zero, then the…

A: If the avarage velocity is zero,then the avarage speed must be zero.This statement is Not…

Q: 18) During an auto accident, the vehicle's air bags deploy and slow down the passengers more gently…

A:

Q: 9. Some insurance companies are suggesting that a driver's premiums could be lowered if they were…

A: in this question  we discuss record data and analysis  of EDR.

Q: A student is running at her top speed of 5 to catch a bus, which is stopped at the bus stop. When…

A: The

Q: 22. The graph above shows the position of a car, in meters, measured from a stoplight after the…

A:

Q: In the simulation above the red ball's motion is always the same, while the blue ball's motion can…

A: The distance travelled by the blue ball is given as, d=15 m, The initial velocity of the blue ball…

Q: 13) Calculate the acceleration of a person who can reach a speed of 9.2 m/s in a time of 3.6 seconds…

A: Given : Initial velocity (u) is 0 m/s as the person starts from rest Final velocity is 9.2 m/s and…

Q: 2. A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 m.…

A:

Q: A car moves north at a constant speed of 3m s for 20s and then east at a constant speed of 4m s for…

A: Given: In this question, the given details are, A car moves north at a constant speed of V1=3 m/s…

Q: The skid marks made by an automobile indicated that its brakes were fully applied for a distance of…

A: Given data: Distance (d) = 50 m Final velocity (v) = 0 m/s Acceleration (a) = -20 m/s2 Required: The…

Q: An object has an acceleration of zero. Which statement about the object's motion is correct?

A: given a=0

Q: Two buses leave school moving in opposite directions. After 15 minutes, they are both 10 miles away…

A:

Q: An aircraft is initially moving with a velocity of +7.0 m/s and travels for 8.0 s with a uniform…

A:

Q: d) What is the car’s velocity in interval B?  e) What is the car’s average velocity during the…

A: In a position-time graph, the slope of the graph gives the velocity of the object associated.

Q: Problem 2) A train with a top speed of 68.35 ft/s cannot accelerate or de- celerate faster than…

A: Initial velocity = 0 ftsMaximum velocity = 68.35 ftsMagnitude of maximum acceleration = 47.25 inchs2…

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 –