Neglecting the weight of the bracket, and if
s = 5.3 cm. $1 = 4.3 cm and s2 -3.2 cm, find
the horizontal force component exerted on the
bracket by the screw when a 117 N vertical
force is applied as shown. Imagine that the
bracket is slightly loose,
Answer in units of N.
H
0
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The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

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=

State the following: boyle's law and charle's law