Abigayle Donnelly
Nov 19, 2024
Engineers are developing new types of guns that might someday be used to launch satellites as if they were bul?
Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun can impart a velocity of 4.1 km/s to a small object, moving it through a distance of only 1.6 cm.
- What acceleration does the gun provide to this object?
- Over what time interval does this acceleration occur?
- Additionally, what does the symbol µ represent in this context?
3 Answers
a) use vf^2=v0^2+2ad
where vf=final speed = 4100 m/s
v0=initial speed =0
a = acceleration
d=distance traveled = 0.016 m
4100^2=0+2a(0.016)
a=4100^2/2(0.016) = 525,312.5 m/s/s
b) acceleration = change in speed/time
time = change in speed/accel
time = (4100m/s-0)/5.25x10^5m/s/s = 7.8x10^(-3) s
u can mean several things in science
as a prefix in a unit, it means micro, or one millionth, so um is a micrometer or a millionth of a meter
it can also represent coefficient of friction
it can also represent the subatomic particle called the muon, but I am guessing it is not that in this case
hope this helps
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