What is the translational speed of the object?

Sep 29th, 2015
DotaCN
Category:
Physics
Price: $10 USD

Question description

Can someone please help me with these problems quickly?!

1.) A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. It takes the object 0.500 s to complete one revolution.

(a) What is the translational speed of the object? 
 

(b) What is the frequency? 
 

(c) As the object passes through the lowest point in its motion, what is the direction of the acceleration of the object?
    

(d) As the object passes through the lowest point of its motion, what is the magnitude of the acceleration of the object? 

2.) A small object moves at constant speed in a horizontal circle of radius 0.340 m. If the object makes two complete revolutions in one second, what is the magnitude of the acceleration of the object? 


3.) A small object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. The upper end of the rope is attached to the ceiling. As the object swings through its lowest position, where the rope is vertical, the speed of the object is 2.50 m/s. At this point in the motion, what is the tension in the rope? (Use 

g = 9.80 m/s2.)
 

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