When directed distance is decreasing, what can be said about velocity?
?
A. Velocity is positive.
B. Velocity is negative.
C. Velocity is 0.
D. Velocity is increasing.
Answer: B
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Provide an appropriate response.The position of an object in free fall near the surface of the plane where the acceleration due to gravity has a constant magnitude of g (length-units)/sec2 is given by the equation: s = -
gt2 + v0t + s0, where s is the height above the earth, v0 is the initial velocity, and s0 is the initial height. Give the initial value problem for this situation. Solve it to check its validity. Remember the positive direction is the upward direction.
A. 
= g , s '(0) = v0, s(0) = s0
B. 
= -g
C. 
= -gt , s(0) = s0
D. 
= -g , s '(0) = v0, s(0) = s0
Find the sum-of-the-years'-digits depreciation fraction for the first year.8 years
A. 
B. 
C. 
D. 
Solve the problem.Midtown Delivery Service delivers packages which cost 
per package to deliver. The fixed cost to run the delivery truck is 
per day. If the company charges 
per package, how many packages must be delivered daily to reach the break-even point?
A. 6 packages B. 12 packages C. 25 packages D. 8 packages
Solve the problem.On part of a scenic tour of underground caves, Dave and Neil started at an elevation of 59 feet below sea level. They then rose 24 feet. Represent their distance below sea level as a signed integer.
A. 35 feet B. -83 feet C. 83 feet D. -35 feet