A toy rocket is launched straight up. At the exact top of its flight path, which of the following is true?

Its velocity and acceleration are zero

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Its velocity is zero and acceleration is

9.8 m / s^{2}

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It velocity is

9.8 m / s

and acceleration is

9.8 m / s^{2}

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It velocity is

9.8 m / s

and acceleration is zero

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It velocity is

9.8 m / s

and displacement is

9.8 m

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Solution

The correct option is E Its velocity is zero and acceleration is $9.8 m / s^{2}$
At the exact top of flight its velocity becomes zero but not the acceleration , because it is under the effect of gravitational acceleration ( $9.8 m / s^{2}$ ).

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A toy rocket is launched straight up. At the exact top of its flight path, which of the following is true?

The correct option is E Its velocity is zero and acceleration is 9.8m/s2At the exact top of flight its velocity becomes zero but not the acceleration , because it is under the effect of gravitational acceleration (9.8m/s2).

The correct option is E Its velocity is zero and acceleration is $9.8 m / s^{2}$
At the exact top of flight its velocity becomes zero but not the acceleration , because it is under the effect of gravitational acceleration ( $9.8 m / s^{2}$ ).