A 2.0kg ball swings in a verticle circle on the end of an 80cm long string.?

R

Riddick

New member
The tension in the string is 20N when its angle from the highest point on the circle is ?=30?. The balls speed when ?=30?is v=3.8m/s.

What is the magnitude of the balls acceleration when ?=30??
What is the direction of the balls acceleration when?=30?(Give the direction as an angle from the r-axis.?
 
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