Answer:
Δ KE = - 8.75 x 10⁻⁴ J
Explanation:
given,
mass of applesauce = 7 g = 0.007 Kg
initial velocity, u = 0.5 m/s
final velocity, v = 0 m/s
Decrease in kinetic energy = ?
initial kinetic energy
[tex]KE_1=\dfrac{1}{2}mu^2[/tex]
[tex]KE_1=\dfrac{1}{2}\times 0.007 \times 0.5^2[/tex]
KE₁ = 8.75 x 10⁻⁴ J
final kinetic energy
[tex]KE_2=\dfrac{1}{2}mv^2[/tex]
[tex]KE_2=\dfrac{1}{2}\times 0.007 \times 0^2[/tex]
KE₂ =0 J
Decrease in kinetic energy
Δ KE = KE₂ - KE₁
Δ KE = 0 - 8.75 x 10⁻⁴
Δ KE = - 8.75 x 10⁻⁴ J
decrease in kinetic energy of the applesauce is equal to 8.75 x 10⁻⁴ J
