Which phrase describes velocity?
u
A. A quantity with direction only
B. A quantity with...
Physics, 01.03.2021 04:00 lanipooh01
Which phrase describes velocity?
u
A. A quantity with direction only
B. A quantity with magnitude only
C. A quantity with no units
D. A quantity with magnitude and direction
SUBMI
Answers: 1
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 12:20
Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earthβs electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earthβs electric field a feasible means of flight? why or why not?
Answers: 2
Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
Mathematics, 28.08.2019 05:30
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Mathematics, 28.08.2019 05:30
Mathematics, 28.08.2019 05:30
Mathematics, 28.08.2019 05:30
Mathematics, 28.08.2019 05:30
History, 28.08.2019 05:30
Mathematics, 28.08.2019 05:30