qratman
Newbie level 2

Hi, I wanted to calculate the weight(in Newtons) the object has at the moment when car crashes (driving 100kmh against wall for example). So I wonder if my calculations are right?
Using the following formulas.
Q = gm ± am [N]; Weight = gravity x mass + force x mass [Newtons]
F = a x m ; force = acceleration x mass [Newtons]
a = ΔV / t [m/s²]; acceleration = current velocity - start velocith divided by time
Given:
V = 100 km/h = 27.78 m/s //car speed
V(0) = 0 km/h = 0 m/s //car end speed
m = 70 kg //my mass in car
t = 1 s //crash speed, from top speed to car stopping
To find out:
Q = ?
Calculations:
Q = gm + am = 9.8 x 70 + 27.78 x 70 = 2630 kg = 2.6 tons (wow!)
a = ( 27,78 - 0 ) / 1 = 27.78 [m/s²]
Is this really so that my weight is 2.6 tons at the moment of crash?
Using the following formulas.
Q = gm ± am [N]; Weight = gravity x mass + force x mass [Newtons]
F = a x m ; force = acceleration x mass [Newtons]
a = ΔV / t [m/s²]; acceleration = current velocity - start velocith divided by time
Given:
V = 100 km/h = 27.78 m/s //car speed
V(0) = 0 km/h = 0 m/s //car end speed
m = 70 kg //my mass in car
t = 1 s //crash speed, from top speed to car stopping
To find out:
Q = ?
Calculations:
Q = gm + am = 9.8 x 70 + 27.78 x 70 = 2630 kg = 2.6 tons (wow!)
a = ( 27,78 - 0 ) / 1 = 27.78 [m/s²]
Is this really so that my weight is 2.6 tons at the moment of crash?