Based on your question where a car leaves skid marks 85m long on the highway nad getting to stop. The deceleration of the car is 3m/s^2 to estimate the speed of the car just before braking first is to analyze the problem then apply the necessary formulas. the possible answer is 510m/s
Answer:
Force required to pull the two hemisphere = 46622.72N
Explanation:
Complete question ( Note: 1 millibar=100 N/m2. One atmosphere is 1013 millibar = 1.013×105 N/m2 ]
The contact area between the hemispheres is (pi x 0.400^2) = 0.5024m^2.
Pressure difference = (940 - 12) = 928 millibars.
(928 x 100) = 92,800N/m^2.
(92800 x 0.5024) = 46622.72N. force required to part the hemispheres.
Answer:wdym insulation if u mean like covering than the ppls heads
Explanation:
I would go with salt in ocean water as when you heat it and the water begins to evaporate it will leave the salt behind
Also water in mud as the water would evaporate and leave the mud residue behind
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