Physics, 07.08.2019 20:10 alexvane78
A0.650 kg hammer is moving horizontally at 4.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. (a) calculate the duration of the impact.
(b) what was the average force exerted on the nail?
Answers: 2
Physics, 21.06.2019 17:30
What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )
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Physics, 22.06.2019 06:40
Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
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Physics, 22.06.2019 12:00
Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.
Answers: 1
A0.650 kg hammer is moving horizontally at 4.00 m/s when it strikes a nail and comes to rest after d...
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