high school physics

Question

1. ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.

A missile is fired from a jet flying horizontally at Mach 2 (2200 ft/s). The missile has a horizontal acceleration of 1000 ft/s². Calculate its horizontal velocity at 10.0 seconds after it is fired. (Assume constant acceleration of the missile throughout its flight.)

Answer 1

Since you are only asked about horizontal velocity, only horizontal acceleration is a factor.

v_xf = v_xi + at (units mesh - no need to convert) You know all values on the right-hand side (Initial v is velocity of the plane). Plug in.

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