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Answer» 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 [email PROTECTED] = 2 [email protected] [email protected] = 24/25 (i) R = u^2 sin [email protected] / 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 [email protected]/g T = 2× ×5×4/5/100 T = 0.8 s (iv) @ = = tan^-1 (4/3) @ ~ 53° |
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