An Object with a Mass M = 250 G Is

question 86

Multiple Choice

An object with a mass M = 250 g is on a plane inclined at 30º above the horizontal and is attached by a string to a mass m = 150 g.There is no friction and mass m hangs freely and is initially at rest.When mass m has descended a distance h = 10 cm,its speed will be

• A)35.0 cm/s
• B)7.00 cm/s
• C)140 cm/s
• D)110 cm/s
• E)70.0 cm/s

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