A force of F=2.2 ± 0.1 N is applied to a block for a period of time, during which the block moves a distance d=3 m, which is measured with negligible uncertainty. The work W is given by W=Fd. Estimate W, and find the uncertainty in the estimate.
What will be an ideal response?
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Why is the telephone considered an important source of business?
What will be an ideal response?
Technician A says that it is recommended that the vehicle be driven less than 50 mph for the first 50 miles to allow the tire to adhere to the wheel. Technician B says that sudden hard acceleration with newly mounted tires can cause the tire to change position on the wheel. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
How is the Annual Fuel Utilization Efficiency (AFUE) efficiency rating determined?
A) By using the NIST equation for 100 percent efficiency B) By multiplying the amount of combustion air with BTU output C) By comparing new furnace units to the efficiency of older models D) By using the NIST equation for 100 percent efficiency minus losses
In the circuit shown below, let
