Starting from rest, a car speeds up along a curve at a rate of 2.00 m/s ^ 2 . If the curve has a radius of 20.0 m, what is the acceleration (both magnitude and direction ) of the car 5.00 s after starting
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Starting from rest, a car speeds up along a curve at a rate of 2.00 m/s ^ 2 . If the curve has a radius of 20.0 m, what is the acceleration (both magnitude and direction ) of the car 5.00 s after starting ?
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- You walk for 1000 m northwards at a constant velocity of 3 m/s. Then you turn around, and walk with an average velocity of 0.5 m/s due south. From your starting point to your destination, your overall average velocity for the entire trip is 1.2 m/s due north. What is the northward total displacement during the entire trip?Nerve impulses in a human body travel at a speed of about 100 m/s. Suppose a woman accidentally steps barefoot on a thumbtack. About how much time does it take the nerve impulse to travel from the foot to the brain (in s)? Assume the woman is 1.80 m tall and the nerve impulse travels at uniform speed.A car drives around a circular track of diameter 156 m at a constant speed of 33.0 m/s. During the time it takes the car to travel 102 degrees around, what is the magnitude of the car s average acceleration? 13.96 m/s^2 6.98 m/s^2 12.19 m/s^2 0 m/s^2 CANNOT USE CENTRIPITAL MOTION EQUATION, must calculate average acceleration
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