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A toy rocket fires its engines to launch it straight up from rest. After a short time, the engine turns off and the
rocket continues before falling back to the ground. The velocity - time graph for the rocket's complete
journey is shown

At what time after launch does the engine turn off?

A Toy Rocket Fires Its Engines To Launch It Straight Up From Rest After A Short Time The Engine Turns Off And The Rocket Continues Before Falling Back To The G class=

Sagot :

Answer:

at 10 seconds.. b/c that's when the velocity stops increasing..

Explanation: