A constant force of 4.5 N acts on a 7.2 kg object for 10 s. What is the change in the object's velocity?

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

Select the three ways that the parallel-plate capacitor differs from a car battery.

Matter that emits no light at any wavelength is called