1 3.1.4 Quiz: Noncontact Forces Question 3 of 10
Two particles are separated by 0.38 m and have charges of -6.25 x 10-°C
and 2.91 x 10-9C. Use Coulomb's law to predict the force between the
particles if the distance is doubled. The equation for Coulomb's law is
Fe = kq,92, and the constant, k, equals 9.00 x 109 Nm2/C2
A. -2.83 x 10-7N
B. 2,83 x 10-7N
C. -1.13 x 10-6N
D. 1.13 x 10-6N
SUBMIT

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?