Physics, 07.07.2019 10:30 sarahlearn3
James took two pea plants, placing one in a dark closet and the other on a sunny windowsill. both are located in air-conditioned rooms. he then measured the growth of the pea plants after a week. which of the following best describes the purpose of this experiment? to determine the effect of air conditioning on plant growth to determine the effect of lack of water on plant growth to determine the effect of sunlight on plant growth to determine the effect of enclosed spaces on plant growth
Answers: 2
Physics, 21.06.2019 19:30
Abody of weight 60 kg is standing in a lift the lift going upward with a uniform velocity of 4.9 metre per second slows down and stops in two seconds then apparent weight of the body during the slow down process is
Answers: 2
Physics, 22.06.2019 07:00
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
Answers: 1
James took two pea plants, placing one in a dark closet and the other on a sunny windowsill. both ar...
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