Calculations
Spring Constant: The elasticity of the spring:
F=kx
10 N= k(0.16 m)
k= 62.5 N/m
Circumference:
C= 1/2pi(d)
C= 1/2(pi) (0.4m)
C= 0.628 m
Spring Potential Energy: Possible energy due to compression or expansion of the spring:
PEs= 1/2kx^2
PEs= 1/2(62.5 N/m) (0.628 m)^2
PEs= 12.32 J
Kinetic Energy: The car's energy from its movement:
KE= 1/2mv^2
KE= 1/2(1.4 kg) (0.34 m/s)^2
KE= 0.08 J
F=kx
10 N= k(0.16 m)
k= 62.5 N/m
Circumference:
C= 1/2pi(d)
C= 1/2(pi) (0.4m)
C= 0.628 m
Spring Potential Energy: Possible energy due to compression or expansion of the spring:
PEs= 1/2kx^2
PEs= 1/2(62.5 N/m) (0.628 m)^2
PEs= 12.32 J
Kinetic Energy: The car's energy from its movement:
KE= 1/2mv^2
KE= 1/2(1.4 kg) (0.34 m/s)^2
KE= 0.08 J