Starting at time t=0t=0, net force F1F1 is applied to an object that is initially at rest. If the force remains constant with magnitude F1F1 while the object moves a distance dd, the final speed of the object is v1v1. What is the final speed v2v2 (in terms of v1v1) if the net force is F2=2F1F2=2F1 and the object moves the same distance dd while the force is being applied?
Starting at time t=0t=0, net force F1F1 is applied to an object that is initially at rest.
If the force remains constant with magnitude F1F1 while the object moves a distance dd, the final speed of the object is v1v1. What is the final speed v2v2 (in terms of v1v1) if the net force is F2=2F1F2=2F1 and the object moves the same distance dd while the force is being applied?
(the answer in the box is incorrect, and 2 is also incorrect)
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If the force F1F1 remains constant while it is applied for a time TT, the final speed of the object is v1v1. What is the final speed v2v2 (in terms of v1v1) if the applied force is F2=2F1F2=2F1 and is constant while it is applied for the same time TT? (In a later chapter we'll call force times distance work and force times time impulse and associate work and impulse with the change in speed.)
it is the next question there what is the answer here
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