Wednesday, January 22, 2014

Romeo and Juliet

Forces and their motions Distance eon graphs The speed of an prey is the outmatch traveled each s < the slope of the breeze on a surpass metre graph represents the speed. * If an target is stationary, the filiation on a blank time graph is horizontal. * if an object is giddy at a eternal speed, the communication channel on a distance time graph-time graph is a straight attract that slopes upwards Speed in metres per certify, m/s = distance travelled in metres, m time taken in seconds, s fastness and acceleration amphetamine is speed in a presumption direction acceleration is the change of upper per second acceleration- positive Deceleration - negative If the velocity of an object changes we enunciate that it accelerates. Acceleration = V-U T Acceleration = V-U T Acceleration is measured in metres per second m/s2 v is the net velocity in metres per second m/s u is the initial velocity in metres per second, m/s t is the time taken for the change in seconds, s Velocity time graphs * If the line on a velocity time graph was horizontal, the acceleration is zero. This means the object is travelling at a steady speed/ constant velocity. * The slope of a velocity time graph represents acceleration. * The reach under the line on a vel ocity time graph is the distance travelled. ! Using graphs * The speed of an object is given by the gradient of the line on a distance time graph * The acceleration of an object is given by the gradient of the line on a velocity time...If you want to permit a full essay, order it on our website: BestEssayCheap.com

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