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3. A ball is thrown from the ground. Its velocity after 4 seconds is (15 x-3 y ) m/s. the range of the ball is (a) 205 m. (b) 189 m. (c) 111 m. (d) 98 m. 4. What is the maximum height of a projectile shot at an angle of 25° with respect to the horizontal and initial speed of 22 m/s? (a) 8.86 m (b) 4.41 m (c) 20.28 m (d) 10.14 m (e) None are correct. More information is needed.

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Answer #1

(j->。aunch velocity e→ launch angle abter 4- secsnd only vextic) speed chanes due to aa videdtma) acceleaahon. 362 36.2ms maxrn helgast 39.1e m|s snes) 2 a a 4.41 m

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