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Questions in physics

[Sagot para sa’yo] What is the stress on the hauling part when lifting a 4,200 lbs. weight using a threefold purchase rove to advantage? (Allow 10 percent of the weight per sheave for friction.)

[Sagot para sa’yo] find the speed of sound in air at 250 c.

[Sagot para sa’yo] Which is the speed of sound in air of temperature 40°C A. 355 m/s B. 354 m/s2 C. 355m/s2 D. 354 m/s

[Sagot para sa’yo] The tendency to resist a change in an object's motion is

[Sagot para sa’yo] Calculate the density, specific weight and specific volume of chlorine gas at 25°C and under a pressure of 600 KPa absolute.The gas constant R for chlorine is 117 N-m/Kg-k.

[Sagot para sa’yo] the pressure in an automobile tire is 1.88 atm at 25.0 degree C what will be the pressure if the temperature warms up to 37.0 degree ?

[Sagot para sa’yo] THIS IS WHERE ALL THE GROUND AND NEUTRAL WIRES ARE ATTACHED TO THE ELECTRICAL PANEL

[Sagot para sa’yo] _________ is a form of energy that travels through the air

[Sagot para sa’yo] a sample of gas has volume of 852 ml at 25 degrees celsius was celsius temperature is necessary for the gas to have a volume of 945 ml?

[Sagot para sa’yo] a sound with a high pitch would have