Answers: 1
Physics, 22.06.2019 02:00
In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth
Answers: 1
Physics, 22.06.2019 10:00
Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n
Answers: 1
Physics, 22.06.2019 18:30
Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?
Answers: 3
Physics, 23.06.2019 00:10
An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
Answers: 3
Aroom of volume v contains air having equivalent molar mass m. if the temperature of the room is rai...
Physics, 12.01.2021 20:40
Mathematics, 12.01.2021 20:40
Mathematics, 12.01.2021 20:40
Law, 12.01.2021 20:40
Mathematics, 12.01.2021 20:40
Mathematics, 12.01.2021 20:40
Mathematics, 12.01.2021 20:40
English, 12.01.2021 20:50
Social Studies, 12.01.2021 20:50
Mathematics, 12.01.2021 20:50
History, 12.01.2021 20:50
Mathematics, 12.01.2021 20:50