I think it would be negative apex :)
False. the amount of matter in an object is the mass
I think the energy conservation that is taking place is the force between two unbalanced forces pushing and pulling on the tire with the extra force added when David pushed Melissa in the tire... Hope this helps ^-^
First of all, the question is vague as you haven't mentioned the medium of propagation of the wave, which is extremely crucial.
For example light travels at <span>299,792</span> km/second in vacuum, but in certain semiconductors, it travels as slow as 9 km/second. Sound, ocean and seismic waves don't exist in vacuum at all.
If you mean the maximum possible speed any of these options can attain in any medium of choice for the different options, then the answer would be
b. radio waves, which travel exactly at the speed of light in vacuum (299,792 km/second) and with an almost similar(slightly less) speed in air. (Radio waves are nothing but electromagnetic waves with low frequency)
Practically ANYbody could answer this question if you actually showed them the group of answer choices. Here at Brainly, our members, contributors, sycophants, consultants, and devotees are so great that we can answer it even withOUT seeing them.
The answer is: <em>Zero</em> work is done.
"Work", in the formal Physics usage, means a force acting through a distance. If you're holding a bag of apples UP but it's not moving UP, then your force is not moving through a distance, and the quantity of work is zero.
