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Sveta_85 [38]
3 years ago
6

Can any one please help me on this on kinda lost thank you

Physics
1 answer:
Elena-2011 [213]3 years ago
7 0
Speed of sound in cold air, speed of sound in warm air, speed of sound in steel speed of sound in water, and speed of sound in hot molten lead
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Just need help with 1 and 2 please :D i’m having a bit of trouble :/
dexar [7]
1. Traveling by car means you have specific roads to follow. You won’t be able to go straight to Banning high from POLAHS. The 8.4km will be defined as distance. Traveling by helicopter you don’t have roads to follow that means you can fly directly to banning high. 6.8km will be defined as displacement.

2. A) 400m
B)0m
C)d=1/2(vi+vf)t
400=1/2(0+vf)92
8.7m/s
D) 0m/s
E) Not sure but instantaneous velocity refer to velocity at a given point. Average velocity is just the average. Usually instantaneous velocity won’t be same as the average velocity.
Plz like if it helped.
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The answer completely depends on the number that belongs in the space before the word "microfarad".
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Becky leaves home and rides a distance of 30km it took her 2.5 hours what is her speed
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Her speed would be 12.5km p/s
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