7 kilogram object collides with a stationary 3 kg object and after collision they stick together and move forward with velocity 4 m /sec. what is the velocity with which the 10 kilogram object hits second one?

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

Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.