Physics, 03.10.2019 05:10 ultimateapes
Jason wanted to find out how he could increase the number of popcorn kernels that pop when cooked. he hypothesized that more kernels would pop if he used more oil. to test this, he placed 100 kernels of “pop rite’ popcorn into a popcorn popper that contained different amounts of oil. he used the following amounts of oil: 5 ml, 10 ml, 20 ml, and 30ml. he used 5 ml of oil as the control. he conducted the test 3 times for each amount of oil. he then counted the number of kernels that had popped. each time he heated the oil for 2 minutes and cooked the popcorn for 4 minutes.
Answers: 1
Physics, 21.06.2019 16:20
A1,200 kg car is accelerated at 3.7 m/s2. what force was needed to produce this acceleration? a. 4,440 n b. 324.3 n c. 4,388 n d. 304.3 n
Answers: 2
Physics, 22.06.2019 04:30
Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?
Answers: 2
Physics, 22.06.2019 07:40
An object's buoyant force and weight mean the same thing.a. trueb. false
Answers: 2
Physics, 22.06.2019 10:30
Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
Answers: 2
Jason wanted to find out how he could increase the number of popcorn kernels that pop when cooked. h...
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