As your bus rounds a flat curve at constant speed, a package with mass 0.900 kg , suspended from the luggage compartment of the bus by a string 50.0 cm long, is found to hang at rest relative to the bus, with the string making an angle of 30.0 â with the vertical. In this position, the package is 55.0 m from the center of curvature of the curve. Required:
a. What is the radial acceleration of the bus?
b. What is the radius of the curve?

a.

b.55 m

Explanation:

We are given that

Mass ,m=0.9 kg

Length of string,l=50 cm=

1 m=100 cm

R=55 m

a.Centripetal acceleration

Hence, the radial acceleration of the bus=

b. Radius of curve,R=55 m

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