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**SPE**. At least three of them have something to do with physics...2 Answers · Science & Mathematics · 10/09/2007

... the last part of it? What do you mean by If the

**spe**? If the speed ..... or?? A body that moves with the speed of the...1 Answers · Science & Mathematics · 18/09/2012

Work is a dot product of the force and displacement, so W = (x component of the force) x d = 400 N x 7 m = 2800 J = 2.8 kJ.

1 Answers · Science & Mathematics · 31/12/2010

Gravitational Potential Energy is calculated through this equation: mgh (mass x gravity x height(meters) First this you want to do is convert everything into meters. Next you will find the total amount of energy in the system...

1 Answers · Science & Mathematics · 22/04/2013

Just calculate the individual distances and sum them for the total distance: d = 45/60 * 55 + 16/60 * 95 + 55/60 * 50 km Then calculate the total time t (3 trip times plus 30 min). Average speed = d/t

1 Answers · Science & Mathematics · 07/09/2009

Speed vertically of 24m/sec will take a height of (v^2/2g) = 29.388 metres to attain. The v^2 is 24^2, not 15^2, and g used is 9.8.

4 Answers · Science & Mathematics · 25/10/2011

Vx = 19.1*cos(33.4) = 15.95 m/s flight time T = 29.2m / 15.95m/s = 1.83s Vyi = 19.1*sin(33.4) = 10.51 m/s Vy = Vyi - g*T = 10.51 - 17.95 = -7.44 m/s (going down) speed = sqrt(Vx^2 + Vy^2) = 17.6 m/s

2 Answers · Science & Mathematics · 04/10/2012

m = 7 ΔT = 15 C = 449 Q = mCΔT Q = 47,145 J

2 Answers · Science & Mathematics · 17/03/2009

From your problem statement it sounds like you're only interested in the vertical dimension, and you also need to neglect the effect of aerodynamic drag. With these assumptions, right before the ball hits the ground it has converted...

2 Answers · Science & Mathematics · 15/07/2012

AN 83.....? (83 + 136) = 219kg. (15 x 4.4)/219 = 0.3m/sec., left.

2 Answers · Science & Mathematics · 05/10/2012