البحث ...Three point charges, two positive and one negative, each having a magnitude of 20 µC are placed at the vertices of an equilateral triangle (30 cm on a side). What is the magnitude of the electrostatic force on one of the positive charges? * 5 points 69 N 40 N 57 N 20 N 80 N

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

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?

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus