User:HannibanniM11

hi my name is hannah.i am a pupil from the gisela gymnasium in germany. my class is the 11n ,my physik teacher is herr osswald. peace! I like to move it move it

4.3

a) ges : Wsp D = F / s D = 50 N / 0,80 m D = 62,5 N / m

Wsp = 1 / 2 * D * s 2

4.1

C)geg: m= 35t = 35000kg, t= 40s , v= 50 km/h = 13,8 m/s

ges:Wa

Wa = 0,5 * m * v 2 Wa = 0,5 * (35000 kg) * (13,8 m/s)2 Wa = 3375750 J = 3,4 MJ

d) geg: m= 3t = 35000 kg, t=40s , v = 50 km/h =13,8 m/s

ges:P

P = W/t P = 3375750 J/40 s P = 84393,75 = 84,4 kW ( Arbeit ohne Reibung )

P = Wa * WR /

=sandbox=

lösung 1.6
x(t)=x0 + v * ath>\Delta t

x(tf)=14km + 95 km/h * $$\Delta t$$

x(tb)=153km/h *$$ \Delta t$$

14km + 95km/h * $$\Delta t$$ = 153 km/h * $$\Delta t$$

=> $$\Delta t$$ = 14 min

lösung 2.9
$$x(t)=\frac {1}{2}* a* t^2$$ $$t= /frac {v}{a}$$ x(t)= /frac {1}{2}* a * (frac {v} {a}^2 = /frac {v}^2 {2 *a* x(t)} = /frac (760 /frac {m}{s}{2* 0,8 s}