What is the acceleration along the ground of a 10 kg wagon when it is pulled with a force of 44 n at an angle of 35° above the horizontal? 0.23 m/s2 0.28 m/s2 2.52 m/s2 3.60 m/s2

Via a free body diagram we obtain that the x force component is and the y force component is

In this case and , since we want to know the acceleration along the ground we only need to use the x-force component force and so by substituting into our x-force component we obtain:

a=3.60 m/s^2

circuit C

Explanation:

A DC voltage source supplies current in single direction. It is represented by alternate small and big straight lines.

An Ac voltage source supplies alternating current i.e. the current changes direction.

In the given circuit diagrams, only circuit C has a DC voltage source.