The annual average of solar photovoltaic energy in Phoenix is 6,720 Wh/m^2/day. You have an area of 500 m^2 on the roof of your home to put solar panels. The solar panels you chose will convert 15% of its energy into electricity. The cost of electricity is $0.12/kWh. How much electricity will be generated in a year? How much money will be saved?

What precautions should you take to prevent injuries when dealing with heavy loads?

An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise