A 4.50 N net force is applied to a 31.0 kg object. What is the object's acceleration? Choix de groupe de réponses

0.145 m/s2

1 m/s2

10 m/s2

9.8 m/s2

Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine