A [m] g ball is lifted [h] cm above the ground.  How much work is done in joules?

A sonar signal is sent from an oceangoing ship, and the signal returns from the bottom [t] s later. How deep is the ocean beneath the ship if the speed of sound in seawater is [v] m/s?

A [m] kg mass has a kinetic energy of [ke] J.  What is its speed in m/s?

What is the mass of a [w] N object?

A [m] kg ball is dropped from a height of [h] m above the ground.  What is its speed just as it reaches the ground?

What is the monthly energy cost of leaving a [p] W device on continuously for [t] days if electricity costs [r] per kWh?

An electric current through a wire is [q] mC every [t] m.  What is the magnitude of this current?

A neutral atom that gains one or more electrons is called a(an) 

Based on size and charge, which of the following oligonucleotides migrates the fastest during DNA electrophoresis?

TABLE 13-2A candy bar manufacturer is interested in trying to estimate how sales are influenced by the price of their product. To do this, the company randomly chooses 6 small cities and offers the candy bar at different prices. Using candy bar sales as the dependent variable, the company will conduct a simple linear regression on the data below: Referring to Table 13-2, to test that the regression coefficient, β1, is not equal to 0, what would be the critical values? Use α = 0.05.