Calculate the acceleration of a 1000kg plane just before take off when the motor is exerting a force of 500N.

Now that the first three steps have been explained, identify the next three steps, in order. calculate the magnitude of r sum vector components calculate a and b magnitudes calculate the direction of r, calculate x,y components step 4 step 5 step 6

Which of the following represents a virtual image?

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.