Exam 1: Introduction, Measurement, Estimating

Choose the one alternative that best completes the statement or answers the question. -What is the result of 1.58 ÷ 3.793 written with the correct number of significant figures?

Choose the one alternative that best completes the statement or answers the question. -The speed of a wave pulse on a string depends on the tension, in the string and the mass per unit length, ppp of the string. Tension has SI units of and the mass per unit length has SI units of . What combination of must the speed of the wave be proportional to?

Choose the one alternative that best completes the statement or answers the question. - 0.0001776 can also be expressed as

Choose the one alternative that best completes the statement or answers the question. -Write out the number in full with a decimal point and correct number of zeros.

Choose the one alternative that best completes the statement or answers the question. -Add 3685 g and 66.8 kg and express your answer in milligrams (mg).

Choose the one alternative that best completes the statement or answers the question. -What is the sum of 1.53 + 2.786 + 3.3 written with the correct number of significant figures?

Choose the one alternative that best completes the statement or answers the question. -What is the sum of 1123 and 10.3 written with the correct number of significant figures?

Choose the one alternative that best completes the statement or answers the question. -The following exact conversion equivalents are given: 1 m=100 cm, 1 in =2.54 cm, and 1 ft=12 in. If a computer screen has an area of this area is closest to

Choose the one alternative that best completes the statement or answers the question. -Approximately how many times does an average human heart beat in a lifetime?

Choose the one alternative that best completes the statement or answers the question. - cm can also be expressed in mm as

Choose the one alternative that best completes the statement or answers the question. -A marathon is 26 mi and 385 yd long. Estimate how many strides would be required to run a marathon. Assume a reasonable value for the average number of feet/stride.

Choose the one alternative that best completes the statement or answers the question. -A weight lifter can bench press 171 kg. How many milligrams (mg) is this?

Choose the one alternative that best completes the statement or answers the question. -The period of a pendulum is the time it takes the pendulum to swing back and forth once. If the only dimensional quantities that the period depends on are the acceleration of gravity, and the Iength of the pendulum, what combination of must the period be proportional to? (Acceleration has SI units of

Choose the one alternative that best completes the statement or answers the question. -Estimate the number of times the earth will rotate on its axis during a human's lifetime.

Choose the one alternative that best completes the statement or answers the question. -Convert a speed of 4.50 km/h to units of ft/min .(1.00 m=3.28 ft)

Choose the one alternative that best completes the statement or answers the question. -Estimate the number of pennies that would fit in a box one foot long by one foot wide by one foot tall.

Choose the one alternative that best completes the statement or answers the question. -The exhaust fan on a typical kitchen stove pulls 600 CFM (cubic feet per minute) through the filter. Given that 1.00 in. =2.54 cm, how many cubic meters per second does this fan pull?

Choose the one alternative that best completes the statement or answers the question. -Approximately how many times does an average human heart beat in a year?

Write the word or phrase that best completes each statement or answers the question. -Albert uses as his unit of length (for walking to visit his neighbors or plowing his fields) the albert (A), the distance Albert can throw a small rock. One albert is 92 meters. How many square alberts is equal to one acre?

Choose the one alternative that best completes the statement or answers the question. -What is expressed to the proper number of significant figures?