A 20-Kg Block Situated on a Frictionless Incline Is Connected to to a Light

question 13

Multiple Choice

A 2.0-kg block situated on a frictionless incline is connected to a light spring (k = 100 N/m) ,as shown.The block is released from rest when the spring is unstretched.The pulley is frictionless and has negligible mass.What is the speed of the block when it has moved 0.20 m down the plane?

• A)76 cm/s
• B)68 cm/s
• C)60 cm/s
• D)82 cm/s
• E)57 cm/s

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Definitions:

Merchandise Defective

Goods received or in inventory that do not meet the seller's or buyer's specifications and may need to be returned or discarded.

Net Method

An accounting method where discounts for early payment are anticipated and recorded as reductions of the cost of purchases or an expense.

Discount Period

The time frame in which a payment can be made at a reduced rate from the total invoiced amount, typically to encourage early payment.

Periodic Inventory System

An inventory accounting system where updates are made on a periodic basis, not continuously.