A student’s room has a TV (250 W) ,heater (1150 W) and lamp (200 W) Electricity costs 10 fills per KWh.
Calculate how much it would cost to run these three appliances for a total of
2 hour 30 minutes ?

Answers:

240p
24p
4p
40p

Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above

True or false graphs must include scales that increase by the same amount

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.