Which form of heat transfer occurs when objects of two temperatures touch

Given equation is F=mv * v/R what is the relationship exist between F and R?

A cylinder of diameter 100 mm rolls from restdown a 5 m long ramp and its center of mass is moving with velocity 2 m/s at the bottom of the ramp. (a) What is its (constant) acceleration down the ramp? (b) What is its angular acceleration?

Which statement correctly describes the relationship between power, voltage, and current? If voltage is increased, and no other changes are made, power will decrease. If voltage is increased, and no other changes are made, power will increase.

Energy transfer by convection is usually restricted to what type of substance?

Your town has decided to build a new power plant to replace the old coal burning plant. Suggest a renewable resource that they could use to generate power. Describe two advantages and two disadvantages of the resource you have recommended.

Which of the following statements concerning Howard Gardner's multiple intelligences is not correct? A. Gardner is not interested in assessing levels of intelligence. B. Gardner has based his theory on research in various areas of psychology. C.

The force of attraction between two oppositely charged pith balls is 5.3 * 10-6 newtons. If the charge on the two objects is 6.7 * 10-9 coulombs, what is the distance between the two charges? (k = 9.0 * 109 newton·meter2/coulombs2)

To describe velocity you need to know?

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.