In a California driver’s handbook, the following data were given about the minimum distance a typical car travels in stopping from various original speeds. The “thinking distance” represents how far the car travels during the driver’s reaction time, after a reason to stop can be seen but before the driver can apply the brakes. The “braking distance” is the displacement of the car after the brakes are applied. (a) Is the thinking-distance data consistent with the assumption that the car travels with constant speed? Explain. (b) Determine the best value of the reaction time suggested by the data. (c) Is the braking-distance data consistent with the assumption that the car travels with constant acceleration? Explain. (d) Determine the best value for the acceleration suggested by the data.

A stone is dropped from the top of a cliff. A precision equipment was used in order to measure the time for the sound of a splash to return. Calculate the distance to the water if the speed of sound is 335 m/s and sound returns in 3 s

Please answer this question within 5 minutes, i will rate you for sure.   Two cars start moving from the same point. One travels south at 32 mi/h and the other travels west at 24 mi/h. At what rate is the distance between the cars increasing three hours later?

A typical reaction time to get your foot on the brake in your car is 0.2 seconds. If you are traveling at a speed of 47 kph, what distance will your car travel during this reaction time? Express your answers in meters.

i need help with this problem How long does it take a hiker to walk 7.0 miles if her average speed is 2.0 miles per hour

At the scene of a car accident, the forensic investigator measured the skid marks from one of the vehicles to be 83 m long. He also knows the typical acceleration for a car when you slam on the brakes is -4 m/s 2. The speed limit for this area is 100 km/hr (about 28 m/s). Was the car speeding before it hit the brakes?

In a quality event, a race car driver complete a single lap around a 1504 m long track at the car. Overall average speed was 255 km an hour in the average speed of the first half of the track was 202 km an hour what was the average speed in kilometers an hour on the second half of the track. report 3 significant digits

In this lab, we are going to use a cart, a ramp (an inclined smooth apparatus), and a timing system to study how to determine the instantaneous speed when the cart moves down the ramp at a series of pre-determined position along the ramp. We will also use the definition of the acceleration to determine the average acceleration between chose two position along the ramp.  The timer is actually recording the time for the wing on this cart to go through the photogate. When the downside of the wing enters the center of the photogate, the timer starts to time. When the upside of the wing leaves the center of the photogate, the timer stops the timing. Thus, we can calculate the instantaneous speed of the cart passes the position where the photogate is located. We will then move down the photogate and calculate the other instantaneous speed along the ramp at the given location.  The instantaneous speed will be V=0.05tV=0.05t. 0,05 meter is the length of the wing of the cart. t is the time you…

Consider  a dragster that, when the light turns green, accelerates uniformly from rest and completes a 372 meter race in a time of 6.61 seconds. a) During this period, what is the dragster's acceleration expressed as a multiple of the acceleration due to gravity, g?  b) If the dragster could continue with this average acceleration, what would its speed be, in miles per hour, after it has traveled a total distance of 1.6km1.6km, which is approximately one mile?

what is the total travel time TTT for 3 levels building requires if the the building Hight is 15 m, cabin take up to 10 people, the time for acceleration and deceleration is 1.5, cabin is 1000 kg with 100m/min speed, usage profile is in table and the peak time is 1 hour level 1: 100 people level 2: 250 people level 3: 250 people O 32 seconds O 23 seconds 25 seconds O 15 seconds