Question

An elevator lifts 3000 kg a distance of 40 m in 12.0 s. How much power is used What is the mass of an object travelling 45 km/h with a kinetic energy of 400 J?

          An elevator lifts 3000 kg a distance of 40 m in 12.0 s. How much power is used
What is the mass of an object travelling 45 km/h with a kinetic energy of 400 J?

Added by Ann M.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Shaiju T

04/28/2022

Step 1

0 s using the formula P = (M * g * h) / t, where P is power, M is mass, g is acceleration due to gravity, h is height, and t is time. Given: M = 3000 kg, g = 9.8 m/s^2, h = 40 m, t = 12.0 s Plugging in the values, we get: P = (3000 kg * 9.8 m/s^2 * 40 m) / 12.0 s P Show more…

Show all steps

Thanks for your feedback!

An elevator lifts 3000 kg a distance of 40 m in 12.0 s. How much power is used What is the mass of an object travelling 45 km/h with a kinetic energy of 400 J?