Physics, 16.10.2020 14:01 gtamods402
a piece of aluminium of mass 1kg is heated to 100celsius and then placed in 0.4kg of water at 20celius if the mixture reaches a temperature of 60celsius what is the specific heat capacity of the aluminium if that of water is 4200j/kg
Answers: 2
Physics, 21.06.2019 17:40, duncanje5783
Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars
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Physics, 22.06.2019 17:50, marianamartinez6
If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
Answers: 2
Physics, 22.06.2019 23:30, angoraspinner
Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence
Answers: 3
Physics, 22.06.2019 23:30, selena827
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 2
a piece of aluminium of mass 1kg is heated to 100celsius and then placed in 0.4kg of water at 20celi...
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