1. A certain car is capable of accelerating at a uniform rateof 0.85m/s 2 . What

Question

1. A certain car is capable of accelerating at a uniform rateof 0.85m/s2.     What is the magnitude of the car'sdisplacement as it acclerates uniformly from a     speed of 80 km/h ro one of 98 km/h?answer in units of m. 2. A small fish is dropped by a pelican that is risingsteadily at 0.49m/s.     a) After 1.6 s, what is the velocity of thefish? Answer in units of m/s.     b) How for below the pelican is the fishafter the 1.6 s? Answer in units of m. 3. A bullet is fired straight up from a gun with a muzzlevelocity of 251 m/s.     The acceleration of gracity is9.8m/s2. Neglecting air resistance, what will beits     displacement after 5 s? Answer inunits of m. plzzzzzzzzzz help me! 1. A certain car is capable of accelerating at a uniform rateof 0.85m/s2.     What is the magnitude of the car'sdisplacement as it acclerates uniformly from a     speed of 80 km/h ro one of 98 km/h?answer in units of m. 2. A small fish is dropped by a pelican that is risingsteadily at 0.49m/s.     a) After 1.6 s, what is the velocity of thefish? Answer in units of m/s.     b) How for below the pelican is the fishafter the 1.6 s? Answer in units of m. 3. A bullet is fired straight up from a gun with a muzzlevelocity of 251 m/s.     The acceleration of gracity is9.8m/s2. Neglecting air resistance, what will beits     displacement after 5 s? Answer inunits of m. plzzzzzzzzzz help me! 1. A certain car is capable of accelerating at a uniform rateof 0.85m/s2.     What is the magnitude of the car'sdisplacement as it acclerates uniformly from a     speed of 80 km/h ro one of 98 km/h?answer in units of m. 2. A small fish is dropped by a pelican that is risingsteadily at 0.49m/s.     a) After 1.6 s, what is the velocity of thefish? Answer in units of m/s.     b) How for below the pelican is the fishafter the 1.6 s? Answer in units of m. 3. A bullet is fired straight up from a gun with a muzzlevelocity of 251 m/s.     The acceleration of gracity is9.8m/s2. Neglecting air resistance, what will beits     displacement after 5 s? Answer inunits of m. plzzzzzzzzzz help me!

Explanation / Answer

(1)    use the equation of motion to get thedisplacement    u = 80 km / h       = 80 (5 / 18) m / s       = ......... m / s    v = 98 km / h       = 98 (5 / 18) m / s       = ....... m / s    v2 - u2 = 2 a s    solve for the displacement s       = 98 (5 / 18) m / s       = ....... m / s    v2 - u2 = 2 a s    solve for the displacement s

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