Physics, 11.07.2019 07:30 Mordred9571
Answer a 30.0 kg shell is fired from a 2,000 kg cannon with a velocity of 500 m/s. what is the resulting velocity of the cannon?
Answers: 1
Physics, 21.06.2019 13:50, Corgilover1234
Ahot-air balloon is drifting straight downward with a constant speed of 2.40 m/s. when the balloon is 7.63 m above the ground, the balloonist decides to drop one of the ballast sandbags to the ground below. how much time elapses before the sandbag hits the ground?
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
Answer a 30.0 kg shell is fired from a 2,000 kg cannon with a velocity of 500 m/s. what is the resul...
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