An 8000-kg engine pulls a 40,000 kg train along a level track and gives it an acceleration a1 = 1.20 m/s 2. What acceleration (a2) would the engine give to a 16,000-kg train?

The boron group, carbon group, nitrogen group, oxygen group, halogens and noble gases are a part of which block of elements? a. s - block c. p - block b. d - block d. f - block

The relationship between total energy and kinetic energy and potential energy is

In a coordinate system in which the x-axis is east, for what range of angles is the x - component positive? For what range is it negative?

Theory that many different realities are happening at once True or false

Which of the following best describes work being done by someone's arms? a. a child building a sand castle b. a mother holding a baby c. a boy pushing on a tree d. a traveler carrying luggage

Life cycle of a medium mass star

Use the periodic table to complete this equation that represents the process of nuclear fusion. Superscript 14 Subscript 7 Baseline N + Superscript 1 Subscript 1 Baseline H yields Superscript A Subscript B Baseline C

Josh rolled a bowling ball down a lane in 2.5 seconds. The ball travelled at a constant acceleration of 1.8 m/s/s down the lane and was traveling at a speed of 7.6 m/s by the time it reached the pins at the end of the lane.

How many meters of the rock wall eroded between 1910 and 1927?

As air temperatures increase, evaporation increases. Warmer temperatures also increase the capacity to absorb water vapor. More water vapor in the atmosphere accelerates the greenhouse effect.