A constant force of magnitude 4.9 N makes an angle of 130o (measured counterclockwise) with the positive x direction as it acts on a 2.0 kg object moving in the xy plane. How much work is done on the object by the force as the object moves from the origin to the point having position vector?

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

What is the angular momentum of the bar about the axle?

Select the correct answer. what does the process of natural selection involve?