Feb 10, 2009 #1 L LadyG New member Apr 22, 2008 13 0 1 Calculate the kinetic energy of a 925kg travelling at 90.0km/h please show me how to do it and not just the answer for future questions
Calculate the kinetic energy of a 925kg travelling at 90.0km/h please show me how to do it and not just the answer for future questions
Feb 10, 2009 #2 B billrussell42 Member Mar 17, 2008 100 0 16 Kinetic Energy in Joules KE = ½mV² plug in the numbers, first converting km/hr to m/s. .
Feb 10, 2009 #3 M Mark Active member May 13, 2008 1,361 0 36 90km/h = 25 m/s KE = 1/2 mv^2 = 1/2 x 925 x 25^2 = 289062.5 J = 289 kJ
Feb 10, 2009 #4 P parths New member Jun 19, 2008 7 0 1 Kinetic Energy = 1/2 mv² kg m² s² Given mass = 925 kg Velocity = 90 km/h = 90*1000/3600m/s = 25m/s So, K.E. = 1/2 *925*25*25 = 289062.5 Joules
Kinetic Energy = 1/2 mv² kg m² s² Given mass = 925 kg Velocity = 90 km/h = 90*1000/3600m/s = 25m/s So, K.E. = 1/2 *925*25*25 = 289062.5 Joules