Physics, 20.11.2020 01:00 bairdmatthew43
Josh tests an unknown liquid substance using litmus paper. When he compared the used litmus paper to a pH scale, the color matches with a 3.5 of the scale. What kind of substance did Josh test?
Answers: 3
Physics, 21.06.2019 22:50
Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earthโmoon (center-to-center) distance is 3.82 ร 10^8 m, earth's radius is 6.37 ร 10^6 m, moon's mass is 7.36 ร 10^22 kg, and earth's mass is 5.98 ร 10^24 kg.
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
Physics, 22.06.2019 08:30
An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?
Answers: 1
Physics, 22.06.2019 11:30
Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?
Answers: 1
Josh tests an unknown liquid substance using litmus paper. When he compared the used litmus paper to...
Social Studies, 20.10.2020 01:01
Mathematics, 20.10.2020 01:01
Mathematics, 20.10.2020 01:01
Mathematics, 20.10.2020 01:01
Mathematics, 20.10.2020 01:01
Computers and Technology, 20.10.2020 01:01
Biology, 20.10.2020 01:01
Mathematics, 20.10.2020 01:01
Mathematics, 20.10.2020 01:01
English, 20.10.2020 01:01
History, 20.10.2020 01:01
History, 20.10.2020 01:01
Mathematics, 20.10.2020 01:01