How can a parked car move?

a. add force to balance all forces

b. remove force to balance all forces

c. add force to unbalance the forces

d. remove all forces

True or False? Gravity is everywhere in the Universe, therefore there is no such thing as zero gravity.

After three half-lives, one-ninth of an original radioactive parent isotope remains, and eight-ninths has decayed into the daughter isotope. A. TrueB. False

How is the thermal energy of a radiator transferred to the surrounding air

What are some of the benefits of learned optimism that have been found in research? O A. Fewer health problems O O B. All of these C. Making more money O D. A lower divorce rate

net force of 30 N is applied to a cart with a mass of 3.0 kg. a. What is the acceleration of the cart? a = m/s2 b. How long will it take the cart to travel 60 m, starting from rest?

Which, if any, of the heat engines violate (s) the second law of thermodynamics?

The ball is moving at a constant speed of 0.5 m/s for 2.3 seconds how far does it go?

Which of these is a mixture? calcium carbon dioxide salt water potassium

A train travels 80 kilometers in 2 hours, and then 79 kilometers in 4 hours. What is its average speed?

What does it mean when we say science is a cycle?