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Question:

A Motorcycle is Moving at 32 m/s when the rider applies the breakes?

A motorcycle is moving at 32 m/s when the rider applies the brakes, giving the motorcycle a constant deceleration. During the 4.0 s interval immediately after braking begins, the speed decreases to 14 m/s. What distance does the motorcycle travel from the instant braking begins until it comes to rest?I‘m completely stumped. Anyone have a way to solve this?

Answer:

If that is the original battery, get a new one. Low electrolyte level in a battery cell could be causing a system voltage drop. Changing the battery every 4 years is good insurance anyway, and car makers use the cheapest batteries they can. Better to get a new one now and not have it go bad when your are stuck in a dark parking lot. Any major parts store will replace it for you for free, and if you ask nicely, they may check your alternator or serpentine belt. They can also read diagnostic codes for free. It could also be a sensor on one of the front wheels.
My 2008 Vue has an electrical problem all together. I bought it used only 18,000 and ir was 4 yrs old. Since found out it had 2 owners before me. The day I purchased it another salesman said it had an electrical problem. I was told it was the battery and was fixed. Of course all the sensor lights didn't start coming on until the warranty was up. Just hit 50k and 5 different lights are on. I've changed numerous sensorsneeds to be recalled for sure
Begins braking at a rate of 32 m/s and after 4 seconds it is going 14 m/s First, just find the difference between 32 and 14 which is 18 So, the bike decelerates 18 m/s in 4 seconds. Now, to find rate of deceleration divide 18 by 4 18/4 4.5 So the rate of deceleration is 4.5 m/s Now, go back and finish up. It begins braking at 32 m/s and comes to a rest at 0 m/s The difference from 32 to 0 is 32 32/rate of deceleration 32/4.5 7.111111111.s So, if you're rounding, the answer is 7.1 s I hope this helps!
Same thing is happening to my 2008 Saturn Vue and it sucks why isn't there a recall GM anyone?????? Obviously this is a problem

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