c) It is easier to sweep with a broom if you hand is further up on the handle? is this true or false
d)A screw with fewer threads is easier to use than a screw of the same size with more threads- is this false?
e) Water at 4 Celsius is lighter than at 4.1celsius.? Is this true?
f) ice...
a) The amount of work done when a 3000g box is moved from a chair to a table 15m away. How do u solve
b) The amount of time it took to remove the box in a if 45kW of energy was expended?
Need help... Dont know how to solve correctly.
a) Determine the amount of energy to raise the temperature of 18kg of carbon from -5celsius to 17celsius.
b) 200g of a certain substance absorbs 7320J of energy and experienced a temperature rise form 5celsius to 30celsius. By calculating its...
is a turbine an example of convention? (because it is a fluid or gas)
are vents an example of radiation?
are heavy drapes an example of conduction?
are window tints an example of radiation? because it is a reflector of heat
are white tiles and paint an example of radiation?
N is the same as Kg/m/s^2. False...K.g/M/s^2.?
It is easier to sweep with a brown if your hand is further up on the handle. true?
a screw with fewer threads is easier to use than a screw of the same size with more threads.-true?
water at 4^0C is lighter than at 4.1^0C. True?
ice can...
When 2 cars crash into the other, the smaller one skids backwards more than the larger one. - third law?
Grandmother is very tired after rolling the bread dough on her kitchen table.- second law?
After a while, airport runways show evidence of dark lines as tires are worn down from...
turbine-convention? (because it is a fluid or gas)
vents-radiation?
heavy drapes-conduction?
window tints-radiation? because it is a reflector of heat
white tiles/paint-radiation?
a.Determine the amount of energy to raise the temperature of 18 kg of carbon from -5^0C to 17^0C.
B. 200g of a certain substance absorbs 7320 J of energy and experienced a temperature rise from 5^0C to 30^0C. By calcuating its "C" value, identify as near as possible, the unknown substance...