Sphere A is charged positively where sphere B is neutral. the sphere are brought near to each other A) there is no electric force between the sphere
B) there is repulsive electrostatic force between the sphere
C)there is an attractive electrostatic force between the sphere
D)there is repulsive electrostatic force applied only on sphere B​

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?