1. Write the following quantities in standard units.
(a) 0.66 Ms

(b) 3.5 km

(c) 27 mg

(d) 125 cm

2. Compute, in centimeters and meters, the height of a basketball player 6 ft 4 in tall.

3. Is the following statement reasonable?
It took 380 L of gasoline to fill up the car's tank.

4. A car travels through a school zone at a speed of 33 km/h. Was the 25 mi/h speed limit exceeded?

5. Compute the density in g/cm3 of a piece of metal that has a mass of 0.425 kg and a volume of 78 cm3.

6. Round off the following numbers to two significant figures.
(a) 93.23

(b) 0.00105

(c) 9356

(d) 0.000414

7. What is the result of (3.51 m 1.62 m)/0.22 m with the proper number of significant figures?

8. A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 8.39 107 km. Radio waves travel at the speed of light (3.00 108 m/s). How many seconds does it take for the signal to reach the Earth?

9. A student drives the 100 mi trip back to campus after spring break and travels with an average speed of 57 mi/h for 1 hour and 30 minutes.
(a) What distance was traveled during this time?

(b) Traffic gets heavier, and the last part of the trip takes another half-hour. What was the average speed during this leg of the trip?

(c) Find the average speed for the total trip.

10. At a track meet, a runner runs the 100 m dash in 11 s. What was the runner's average speed?

Solution Summary

This solution is comprised of detailed explanation and step-by-step calculation of the given problems and provides students with a clear perspective of the underlying concepts.

Maria is using a cylindrical oxygen tank while scubadiving. It holds 80 cubic inches of air. How many cubic feet of air is she using? Round to the nearest hundredth if necessary.

1540 mm/microseconds = ___________ m/s
1 X 10^5 cm/mlliseconds = _______1050____ m/s
If a sound wave travels through soft tissue at a velocity of 1.54 mm/microsecond for 2203 ms, How far has the sound wave traveled using the echo-ranging formula d=ct, where d= distance, c= velocity, t= time
Using the same formula

1.) is 47.8 ng/L = 0.0478ppb?
and if so
would that above concentration be above
10,000 ug/L (what would this be in ppb)
2.) is 6.77 ng/m^3 = 0.0066 ppb?
an if so, would that exceed
0.5-5g/Kg for a 70 kg person (which is a lethal concentration) (and what would this be in ppb)
and would that exceed
Lethal co

A client is to receive 2MG/hour of morphine by continuous infusion for pain. A solution contains 10 mg/50ccs in dextrose 5%. For the client to receive 2mgs of morphine/hour, the infusion pump should be set to deliver how many ccs/hour?

1.The following information was gathered for Wellington Company:
Budgeted direct-labor hours 75,000
Actual direct-labor hours 77,500
Budgeted factory overhead $525,000
Actual factory overhead $538,000
Assume that direct-labor hours is the cost driver.
Compute:
a.Budgeted factory-overhead rate
b.Fac

Discuss the following topics:
1. The law of conservation of energy with an explanation of how this law applies to energy use and energy conversions.
2. The pros and cons of the following:
Ã¢?Â¢fossil fuel: oil, natural gas, and coal
Ã¢?Â¢nuclear energy
Ã¢?Â¢Solar energy
Ã¢?Â¢Wind power
Ã¢?Â¢Water (hydro) power
Ã

You buy tow hitch balls in large lots for the tow tractors you manufacture. You estimate that it costs you approximately 20% of cost to store a ball for a year.
Ordering cost is estimated to be $49 per order and your annual demand is for 5000 balls.
Your supplier offers you the following price schedule:
QUANTITY DIS