Question

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Answer 1

Answer:

R = 2.4 m ; H = 1.6 m ; T = 0.8 s ; @ ~ 53°

Explanation:

|u| = √[3^2 + 4^2]

|u| = 5m/s

@ = tan^-1 (4/3)

sin @ = 4/5

cos @ = 3/5

sin 2@ = 2 sin@ cos@ = 24/25

(i) R = u^2 sin 2@ / g

R = 5×5× 24/25 / 10

R = 2.4 m

(ii) H = u^2 sin^2 (@)/g

H = 5× 5× 4/5 ×4/5 /10

H = 1.6 m

(iii) T = 2u sin@/g

T = 2× ×5×4/5/100

T = 0.8 s

(iv) @ = = tan^-1 (4/3)

@ ~ 53°

Answer 2

Answer:

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