Physics, 28.06.2019 01:10 glydelxc2780
Awater pump with a power of 3.4 × 102 watts lifts water at the rate of 7.5 × 10-2 meters/second from a water tank. what is the force exerted by the pump on the water? a. 1.5 × 103 newtons b. 2.2 × 103 newtons c. 4.5 × 103 newtons d. 5.4 × 103 newtons
Answers: 1
Physics, 22.06.2019 12:30, madlenserlipepu1o
Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=
Answers: 2
Physics, 22.06.2019 17:30, Coolcatfurzy
Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity
Answers: 3
Physics, 22.06.2019 18:00, angie2118
Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th
Answers: 3
Physics, 23.06.2019 00:00, zachzach28280
Why does a collision with an airbag cause less damage than a collision with a steering wheel
Answers: 1
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