melmarie98 melmarie98
  • 13-02-2017
  • Physics
contestada

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?

Respuesta :

briguy1999
briguy1999 briguy1999
  • 13-02-2017

a = F/(m1+m2)
1.2 = F/48,000
F = 57,600N

a = F/(m1+m3)
a = 57,600/24,000
a = 2.4 m/s^2
Answer Link

Otras preguntas

In what year did Russia become known as the Soviet Union? A. 1917 B. 1922 C. 1933 D. 1945
Zoom can be optical or digital but not both. True or False?
_________ are coral reefs surrounding a lagoon. a. Atolls b. Escarpments c. Artesians d. Playas
Unlike _______, XHTML can be extended by anyone who uses it. A. SGML B. HTML C. SML D. XML
if an angle is acute, an angle supplementary to it is (always,sometimes, or never) acute
What does fastidious mean
Membrane-bound organelles are not found in the cells of
Why did the United States government spend money to improve the national highway system? How did the building of this system affect South Carolina’s economy?
A fallacy in logic stating that "after this, therefore because of this" is called _____.
How much weekly exercise is needed to reduce the risks of colon and breast cancer? A. 30 minutes B. 1 hour C. 2 hours D. 3 ½ hours