Acar is traveling around a horizontal circular track with radius r = 210 m at a constant speed v = 23 m/s as shown. the angle θa = 23° above the x axis, and the angle θb = 53° below the x axis. 1) what is the magnitude of the car’s acceleration? 2) what is the x component of the car’s acceleration when it is at point a 3) what is the y component of the car’s acceleration when it is at point a 4) what is the x component of the car’s acceleration when it is at point b 5) what is the y component of the car’s acceleration when it is at point b

Centripetal acceleration of car is given by formula

now plug in the values in this

Part b)

At position A we have

x component of acceleration is given as

Part c)

At position A we have

y component of acceleration is given as

Part d)

At position B we have

x component of acceleration is given as

Part e)

At position B we have

Y component of acceleration is given as

graphing motion: mastery test

209be

what is the instantaneous acceleration of

the particle at point b?

0 meters/second?

10 meters/second?

12 meters/second?

velocity imetersisecond

15 meters/second?

20

time (seconds)

answer: 0 meters/second^2