contestada

Select the correct answer. Julie is cycling at a speed of 3.4 meters/second. If the combined mass of the bicycle and Julie is 30 kilograms, what is the kinetic energy? 1.7 × 102 joules 1.5 × 102 joules 2.0 × 102 joules 2.2 × 102 joules

Respuesta :

altafmushrafp5fo2o
KE= 0.5mv^2

0.5×30×3.4^2
=173.4J
Kinglogic
Kinetic energy is 1/2 mv^2
1/2^30^3.4^2=15*11.56=173.4. 1.7^102=173.4. It is the first one.

Otras preguntas