A 0.453 kg pendulum bob passes through the lowest part of its path at a speed of 2.58 m/s. What is the tension in the pendulum cable at this point if the pendulum is 75.1 cm long? Submit Answer Tries 0/12 When the pendulum reaches its highest point, what angle does the cable make with the vertical? Submit Answer Tries 0/12 What is the tension in the pendulum cable when the pendulum reaches its highest point?

Answer with Explanation:

Mass of pendulum bob, m=0.453 kg

Speed, 2.58 m/s

a.r=75.1 cm==0.751 m

Tension in the pendulum cable is given  by

Tension=Centripetal force+force due to gravity

Where

Substitute the values

b.When the pendulum reaches its highest point,then

Final velocity,

According to law of conservation of energy

Substitute the values

The angle mad  by cable with the vertical=

c.When the pendulum reaches at highest point then

Acceleration, a=0

Therefore, the tension  in the pendulum cable

Substitute the values

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trig 15.3 cos