An example of a scientific measurement when determining the period of a pendulum is 1-a list of the items required for the experiment

2-the number of seconds to perform ten oscillations

3-a second as measured by a stopwatch

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

In the first law of thermodynamics, triangle e=q-w, what does q stand for

The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.