Which one of the following statements is false?
Select one:
a. Air resistance and friction b...
Physics, 01.02.2022 16:50 electrofy456
Which one of the following statements is false?
Select one:
a. Air resistance and friction both oppose an object's motion
b. Friction opposes motion and can be reduced with lubrication
c. Air resistance is greater the faster the object is travelling
d. Air resistance only occurs when the wind is blowing
e. To keep a boat moving a driving force is needed to overcome water resistance
Answers: 3
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Acompound machine is also called a machine. a. force b. simple c. complex d. directional
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The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:
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Physics, 22.06.2019 07:50
2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it
Answers: 1
Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
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