A 240 g block on a 50.0 c m -long string swings in a circle on a horizontal, fri
ID: 3895947 • Letter: A
Question
A 240g block on a 50.0cm -long string swings in a circle on a horizontal, frictionless table at 75.0rpm .What is the speed of the block?
What is the tension in the string?
A 240g block on a 50.0cm -long string swings in a circle on a horizontal, frictionless table at 75.0rpm .
What is the speed of the block?
What is the tension in the string?
A 240g block on a 50.0cm -long string swings in a circle on a horizontal, frictionless table at 75.0rpm .
What is the speed of the block?
What is the tension in the string?
A 240g block on a 50.0cm -long string swings in a circle on a horizontal, frictionless table at 75.0rpm .
What is the speed of the block?
What is the tension in the string?
What is the speed of the block?
What is the tension in the string?
What is the tension in the string?
Explanation / Answer
A)
V=75*2*pi*50/60 cm/sec=392.7 cm/sec=3.927 m/sec
B)
T=mv^2/r=.24*3.927^2/0.5=7.4 N
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