SOLUTION: A parachute opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 45 seconds. What is the acceleration of the dragster?

Question 1047378: A parachute opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 45 seconds. What is the acceleration of the dragster?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A parachute opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 45 seconds. What is the acceleration of the dragster?
-----------
a = |v1 - v2|/t = (45 - 85)/45
a = 40/45 m/sec/sec
a = 8/9 m/sec/sec
---------------
a = -8/9 m/sec/sec, negative in the direction of motion.

RELATED QUESTIONS
A car is travelling at speed of 45 km/h and then increase its speed to 75 km/h. the... (answered by Alan3354)

A car travels 45 km with an average speed of 10 m/s. How many seconds takes to complete... (answered by Alan3354)

What is the acceleration of a car that speeds up from 12 m/s to 30 m/s in 15... (answered by Alan3354)

A race car accelerates uniformly from 18.5 m/s to 46.1 m/s in 2.47 seconds. Determine the (answered by stanbon)

A 500 kg car comes to a stop from a speed of 20 m/s in 5.2 seconds. What braking force... (answered by Alan3354)

A 54 kg person is parachuting and experiencing a downward accelerations of 1.6 m/s^2. The (answered by scott8148)

What is the acceleration of a vehicle that changes its velocity from 100 km/h to a dead... (answered by TimothyLamb)

Using 9.8 m/s2 for the acceleration due to gravity. For Newton's law calculations, mass... (answered by Fombitz)

The gas mileage, M, of a compact car is a linear function of the speed,s, at which the... (answered by stanbon)