What is the quark structure of a neutron?
a. uud
b. udd
c. uuu
d. ddd
e. the question does not make sense
B
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The peak voltage of an AC source is 296 V. What is the rms voltage?
a. 148 V b. 419 V c. 209 V d. 296 V e. 222 V
Explain how the Doppler Effect has been used to detect invisible planets orbiting other Sun-like stars
What will be an ideal response?
An ideal ammeter should
A) have a high coil resistance. B) introduce a very small series resistance into the circuit whose current is to be measured. C) introduce a very large series resistance into the circuit whose current is to be measured. D) consist of a galvanometer in series with a large resistor.
Steam burns are much more damaging than boiling-water burns because steam
A) has a higher temperature. B) releases more thermal energy. C) is hotter. D) is gaseous.