Identify the smallest unit of an element

A trolley of mass 1000 kg moving at 10 m/s collides and hooks onto another identical trolley at rest. What is the velocity of both the trolleys together?

Your myth: Dogs and wolfs are the same species Fact: Evidence:

Which program offered to improve infrastructure by providing electricity to millions of people? Agricultural Adjustment Act Civilian Conservation Corps Tennessee Valley Authority National Recovery Administration

Which one of the following planets does not have rings surrounding it? A. Saturn B. Uranus C. Mars D. Jupiter

If an object is accelerating, then the forces acting on it must be: A. zero. B. balanced. C. unbalanced. D. increasing.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.