Uh-Oh! That’s all you get for now. We would love to personalise your learning journey. Sign Up to explore more. Sign Up or Login Skip for now Uh-Oh! That’s all you get for now. We would love to personalise your learning journey. Sign Up to explore more. Sign Up or Login Skip for now Solve the following example. Here, v = 72 km/h = 20 m/s, u = 54 km/h = 15 m/s, m = 1500 kgWork done by the car = Change in kinetic energy of the cari.e. `W = K.E_f - K.E_i``W = 1/2 xx m xx v^2 - 1/2 xx m xx u^2 = 1/2 xx m(v^2 - u^2)` = `1/2 xx 1500 (20^2 - 15^2)` = 131250 J Is there an error in this question or solution? |