3. A ball is shot with a velocity of 33 m/s at an angle of 45°...

Question

Question

science physics

Answer 1

Answer #1

Using the equation of linear motion we have

Y = u_yt + 0.5gt^2

-39 = 33 sin 45*t + 0.5*-9.8*t^2

4.9t^2 - 23.33t -33 = 0

t = 23.33 + sqrt ( 23.33^2 + 4*4.9*23.33) /9.8

= 5.61s

Range = Ux*t

= 33cos 45*5.61 = 130.9 m

Answer 2

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