Ayudaaa!
hola, alguien podría ayudarme en esto la c), me ha complicado

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.