Sophia pushes a shopping cart of mass 5 kilograms with a force of 12 newtons across the floor of a
grocery store. The floor exerts a frictional force of 7
newtons. What are the net force and acceleration of
the cart?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Newtons view of arrangement of the universe

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90