Recent content by dreamgirl

Homework Statement A 2 Horsepower engine runs a water pump for 24 hours a. What is the work done by the engine? b. What would happen if a 1.0 horsepower was used to pump the same amount of water? W= F * D But i don't know what D is? so how must i solve this? please help! :[

okay i think i got it now THANK YOU SO MUCH<3333333333

last question how do i calculate the friction force? :[

M = the coefficient of friction idk if that helps? :(

Homework Statement A brick is sliding down a ramp Anet / acceleration = .5 m/s^2 m= 2 kg M = the coefficient of friction = unknown or ? The Attempt at a Solution I'm just stuck on the last part well first this is my work so far: 90-delta= 90 - 35 = 55 Fg= (2)(-9.8) Fg= -19.6 Fg x = Fg...

Thanks for the welcome! :] another question: when i get it, is the number automatically in Newtons? i get 34.3 what is the unit i attach it to?

Jasmine has a mass of 7 kg. He stands on a scale in an elevator that is accelerating downward at 4.9 m/sec ^2 . What force does the scale display in Newtons?Thank you for your help! :] F = ma i get 34.3 what is the unit i attach it to?