Answer:3.95 m/s
Explanation:
Given
Initial velocity(u)
launch angle
Player is 53 m away
Range of projectile
R=41.02 m
so he need to run 53-41.02=11.98 m
Time of flight of projectile
T=3.03 s
thus average speed of boy
Is it possible for parents to pass a gene that they do not have to their children
2 answers:
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The angle is 53.5 degrees.
What is a flat mirror?
A plane mirror is a mirror with a flat (planar) reflective surface. For light rays striking a plane mirror, the angle of reflection equals the angle of incidence.
This ques have been solved in two steps:
Step 1:
given that;
Θ=107 degrees
from figure,
∠BAC=180-ψ-(90-φ)
∠BAC= 90-ψ-φ
∠AOC=180-2(ψ-φ)-2φ
∠AOC=180-2φ
Step 2: part(a)
writing an expression for the psi at point o:
Θ+180-2ψ=180
2ψ=Θ
ψ=Θ/2
above is the expression for ψ
Step 3: part(b)
The angle of ψ is,
ψ=Θ/2
ψ=107/2
ψ=53.5 degrees
Hence, the angle is 53.5 degrees.
To more know about flat mirrors and phi and psi angles the link is given below:
brainly.com/question/15970406?
#SPJ4
Answer:
Cart 1 = 4 m/s
Cart 2 = 4 m/s
Explanation:
See attachment
