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Mechanics when does the ball hit the ground?
A ball with an initial speed of v = 60 km/h is thrown upwards from a height of 80 cm at an angle of 60 degrees. When does it hit the ground? In the sample solution it is 3 s. Where is the mistake?
Free fall (without Lw)?
I'm stuck here because I have two unknowns. If anyone knows anything about this, that would be very helpful.
Reflection of a specific wavelength = visible color?
I wasn't sure how to put this question briefly, so it might be a little confusing. In plants, chlorophyll A and B mainly absorb blue and red light and use this for photosynthesis. However, since they cannot absorb green light in the wavelength range of 500-600, it is reflected. This is why we see plants…
Physics Electricity Mixed circuits?
ByRomen522
Hi, Can anyone help me with the following task?
Only 120v between phase and PE?
ByFachlich
I have a question, I have an older system that I have expanded by one circuit. Now I have measured the FI with a Duspol and have discovered the following problem: I have nothing between L1-L2 400V, between L1-L3 230V, L2-L3 230V and between L1-N 230V, L2-N 230V, L3-N. and I have the following problem…
Three, if you define the term as usual.