Answers: 1
Another question on Physics
Physics, 22.06.2019 05:10
What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n
Answers: 1
Physics, 22.06.2019 10:30
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
Answers: 1
Physics, 22.06.2019 13:10
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
Physics, 22.06.2019 16:30
Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)
Answers: 1
You know the right answer?
What is the half-life of a radioactive sample that is 75% decayed after 142.8 days?
A. 47.6 days
Questions
Mathematics, 23.02.2021 19:10
Physics, 23.02.2021 19:10
Mathematics, 23.02.2021 19:10
English, 23.02.2021 19:10
History, 23.02.2021 19:10
Geography, 23.02.2021 19:10
Mathematics, 23.02.2021 19:10
History, 23.02.2021 19:10
Mathematics, 23.02.2021 19:10
Mathematics, 23.02.2021 19:10
Chemistry, 23.02.2021 19:10
History, 23.02.2021 19:10
Mathematics, 23.02.2021 19:10
