Describe one way in which the layer of gas above affects the earth

Two objects are in contact. Which of the following conditions will yield the greatest rate of heat flow between the objects? A. Object A is at - 20, and object B is at 20 degrees c B. Object A is at - 20 degrees C, and object B is at 0 degrees C C.

To determine the speed of a wave, you would use which of the following formulas? a. speed = frequency x amplitude b. speed = wavelength x frequency c. speed = wavelength x amplitude d.

Which statement accurately describes mass-energy equivalence? O It includes the idea that mass is a measure of the energy within an object. O It states that mass-energy can be created or destroyed. O It can be represented using the formula E = m_c.

an object initially traveling at 20 meters per second South accelerates uniformly at 6.0 meters per second squared and is displaced 25 M calculate the final velocity of the object

Materials with a density__water will float in water

A 2kg marble is moving at 3 m/s when it strikes another 4kg marble moving in the opposite direction at - 3 m/s. What will be the velocity of the 4kg marble after the collision of the 2kg marble's new velocity is - 4 m/s.

How long did it take to reload a rifle during the 18th 19 century?

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.

A baseball with a mass of 0.8 kg is given an acceleration of 20m/s. how much force was applied to the ball

Stephen can push with 200N of force on a couch. If the couch has a mass of 20 kg, how much acceleration will the couch have?