What is the unbalanced force on a car moving with a constant velocity of 25 m/s?

What volume (in liters) of gasoline has a total heat of combustion equal to the energy obtained in part (a) ? (see section 17.6; the density of gasoline is 900 kg/m3.) ?

What physical properties of nylon and leather make them good materials to use for shoelaces? A. high density and low conductivity B. durability and flexibility C. hardness and durability D. low viscosity and flexibility

How many times more gravitational potential energy would the same lander have on top of a 350-m hill on Earth? It would have __ times more gravitational potential energy.

41. Explain the difference between homogenous and heterogeneous mixtures. 42. What is the difference between atomic number of an element and its mass number? 43. The Big Bang Theory does not try to explain how the universe was created.

Why does a moving object come to a stop on a frictional surface?

Which, if any, of the three types of galaxies occur the most often?

Which kingdom consists only of complex multicellular, eukaryotic organisms which must consume or ingest other organisms for nutrition?

Why does heat energy always move from a higher temperature to a lower temperature?

Which of the following explains how heat flow within Earth changes its surface? Molten material moves in one direction, moving the plates in the opposite direction Molten material moves in one direction, moving the plates in the same direction

Regarding perspectives on abnormality, what is the common ground between the medical and psychoanalytic perspectives? a. Both view abnormal behaviors as symptoms of underlying problems. b.