How will the experimental value be affected if some water (liquid) comes through the hose into the calorimeter cup along with the steam?
The experimental value will be lowered.
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North, south, east, and west are points on the _____________ of your local sky
Fill in the blank(s) with correct word
The ________ around a star is the region where liquid water could exist on a planet
Fill in the blank(s) with correct word
The "efficiency" of a light bulb is the ratio of the:
a. heat plus electricity produced to the electrical input b. voltage output of the bulb to the power input c. energy into the bulb to the energy out of the bulb d. light output to the electrical energy input
Two students are working on the same constant-acceleration problem involving a car undergoing constant acceleration, having started from rest and after a certain time having traveled a distance of 108 m. The students are to find the average velocity. Both students are required to show their work and round any intermediate answers as well as the final answer properly to 3 significant figures. Each
rounded answer is to be used in the next step of calculation as they proceed. For the final answer, Student A uses the formula vavg = (xf – xi)/(tf – ti) getting the result 7.26 m/s, and Student B uses the formula vavg = (v0 + v)/2 getting the result 7.29 m/s. Assuming neither student makes a mistake, which student has the better answer? a. Student A b. Student B c. Under significant figure rounding, both answers are equally as good. d. The described result cannot happen; this is physics after all.