A 20-Kg Body Moving Along the X Axis Has a Velocity

question 61

Multiple Choice

A 2.0-kg body moving along the x axis has a velocity v_x = 5.0 m/s at x = 0.The only force acting on the object is given by F_x = (-4.0x) N,where x is in m.For what value of x will this object first come (momentarily) to rest?

• A)4.2 m
• B)3.5 m
• C)5.3 m
• D)6.4 m
• E)5.0 m

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Definitions:

Price

The amount of money required to purchase a good or service, usually determined by supply and demand in the market.

Marginal Rates Of Substitution

The rate at which a consumer is willing to substitute one good for another while maintaining the same level of utility or satisfaction.

Equilibrium

A state in an economic model where demand equals supply, meaning there is no incentive for change in the market situation.

Marginal Rates Of Transformation

The rate at which one good has to be sacrificed to produce an additional unit of another good, holding technology constant.