The circuit shown below contains a thermistor arranged in series with a variable resistor, connected to a d. c. input such as a 12 V cell or battery. The resistance of the thermistor decreases as it gets warmer and has a maximum value when it is very cold. Describe a use for this circuit.
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Which one of the following research methods can show cause and effect
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Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
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The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.
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The circuit shown below contains a thermistor arranged in series with a variable resistor, connected...
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