An object of mass 4.0 kg starts at rest from the top of a rough inclined plane of height 10 m as shown in the figure.If the speed of the object at the bottom of the inclined plane is 10 m/s,how much work does friction do on this object as it slides down the incline? 
Definitions:
Petty Cash Fund
A small amount of cash kept on hand in a business for making minor, immediate purchases or reimbursements.
Accounts Payable
Liabilities representing amounts owed by a company to creditors for goods and services received.
Petty Cash Fund
A small amount of cash on hand used for covering minor or incidental expenses within a business.
Petty Cash Receipt
A document used to record small, miscellaneous expenses paid with petty cash funds.
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