Physics/Math Question?
If you could please write the answers and explain it would be great 🙂 I find it very difficult to understand. Thank you!
Favorite Answer
g=32.2ft/s²
r=unknown
Θ=0.5 * ((invsin)(r*g/v.²))
2Θ=((invsin)(r*g/v.²))
2Θ*v.²=((invsin)(r*g))
sin (2Θ*v.²)=r*g
Vy=15.96
Vx=12.036
therefore
sin (2Θ*v.²)/g=r
and
sin (2Θ*v.²)/r=g
——————–
first thing u do is look at the question
of course
u have 2 angles
1./ 53º
and
2./ 90º-53º=37º
you are given the resultant speed(hyp)
so now u have to find
the compotent speeds
there are 2
speed(Y)
and
speed(X)
so lets find both
53º above the horizon
therefore
20 * cos(53º)=speed(X) or 20 * sin(37º)=speed(X)
20 * sin(53º)=speed(Y) or 20 * cos(37º)=speed(Y)
so
20 * cos(53º)=speed(X) or 20 * sin(37º)=speed(X)
20 * 0.6018 =12.036
20 * sin(53º)=speed(Y) or 20 * sin(53º)=speed(Y)
20 * 0.798 = 15.96
now we have speed(Y) = 15.96
v= g * t
v = 32.2 * 0.4956
v = 32.2 * 0.4956
v =15.96 or speed(Y)
lets find distance to drop from the sky to ground
d(Y) = 0.5 * g * t²
d(Y) = 0.5 * 32.2 * (.4956)²
d(Y) = 7.97ft or distance(Y)
—————————
now u can calculate the Range
—————————-
d(X) = speed(X) * t
d(X) = 12.036 * .4956
d(X) = 5.965 ft
Carry on from here now
if u cant see this now
take up social science or politics LOL
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