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Author Question: What is the maximum distance we can shoot a dart, from ground level, provided our toy dart gun gives ... (Read 120 times)

jasdeep_brar

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on: Jul 29, 2018
What is the maximum distance we can shoot a dart, from ground level, provided our toy dart gun gives a maximum initial velocity of 2.78 m/s and air resistance is negligible?
 
  A) 0.789 m
  B) 1.58 m
  C) 1.39 m
  D) 0.394 m

Question 2

Which one of the following is true for the wavelength of the photon emitted when an electron in a hydrogen atom jumps from the ni = 70 state to the nf = 2 state
 
  as compared to the wavelength of the photon emitted when the electron jumps from the ni = 4 state to the nf = 2 state?
  A) They are equal.
  B) It is shorter.
  C) It is longer.
  D) The wavelength of the photon is not related to the change in state.


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tjayeee

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

B


jasdeep_brar

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Reply 2 on: Jul 29, 2018
Wow, this really help

6ana001

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Reply 3 on: Yesterday
Gracias!

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