Physics, 15.01.2020 23:31 nikolevargas89
Two small spheres spaced 20.0 cm apart have equal charge. how many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57 x 10-21 n?
a. 562
b. 9.14 * 10^3
c. 1.01 * 10^6
d. 891
Answers: 1
Physics, 21.06.2019 19:00
Prompta snowboarder stands at the top of a hill and decides to see if he can increase his speed on his next trip down the slope.describe one thing the snowboarder could do to incrlase his speed on the slope. explain why this would cause his speed toincrease relate one of newton's laws to this problem.
Answers: 2
Physics, 22.06.2019 01:00
An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75
Answers: 2
Physics, 22.06.2019 09:30
Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.
Answers: 3
Physics, 22.06.2019 14:30
A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.
Answers: 1
Two small spheres spaced 20.0 cm apart have equal charge. how many excess electrons must be present...
Mathematics, 17.12.2020 21:00
Health, 17.12.2020 21:00
Mathematics, 17.12.2020 21:00
Mathematics, 17.12.2020 21:00
Mathematics, 17.12.2020 21:00
English, 17.12.2020 21:00
Mathematics, 17.12.2020 21:00
Mathematics, 17.12.2020 21:00
Chemistry, 17.12.2020 21:00