Ii ) Another student is given the same equipment but finds two polystyrene titles State how she could use the titles to improve the experiment and explain why this is effective

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c) The two cans are now filled with cold water and placed equal distance from a strong source of infra-red radiation.

State and explain which can of water heats up and more quickly

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the independent variable, the one that is intentionally manipulated, is whether or not the car hits the barrier.

the dependent variable, the one that you measure the response in, is the distance that the washers travel.

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

305.7

explanation:

density =m/v

density =917/3.00

density = 305.

approximately = 305.7

in four significant figures

elctricity and magnet is conversion to it