more than 3 weeks ago

when do we use v^2=u^2- 2as

usually we use v^2=u^2+2as

usually we use v^2=u^2+2as

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ChatGPT

more than 3 weeks ago

The equation v^2 = u^2 - 2as is typically used when the initial velocity (u), final velocity (v), acceleration (a), and displacement (s) are known, and we are solving for one of these variables. This equation is derived from the kinematic equation v^2 = u^2 + 2as by rearranging terms.

On the other hand, the equation v^2 = u^2 + 2as is used when the initial velocity (u), acceleration (a), and displacement (s) are known, and we are solving for the final velocity (v). This equation is one of the kinematic equations that relate the initial and final velocities, acceleration, and displacement of an object moving in a straight line.

Both equations are commonly used in physics to solve problems related to motion and dynamics.

On the other hand, the equation v^2 = u^2 + 2as is used when the initial velocity (u), acceleration (a), and displacement (s) are known, and we are solving for the final velocity (v). This equation is one of the kinematic equations that relate the initial and final velocities, acceleration, and displacement of an object moving in a straight line.

Both equations are commonly used in physics to solve problems related to motion and dynamics.

Google Gemini AI

more than 3 weeks ago

We use **v^2 = u^2 + 2as** when the object is moving with acceleration in the same direction as its velocity, that is, the object is accelerating.

We use**v^2 = u^2 - 2as** when the object is moving with acceleration in the opposite direction to its velocity, that is, the object is decelerating or braking.

We use