Of the charge q initially on a tiny sphere, a portion q is to be transferred to a second, nearby sphere. both spheres can be treated as particles. for what value of q/q> 0.5 will the electrostatic force between the two parts have 1/4 of the maximum possible value?

The position of a dragonfly that is flying parallel to the ground is given as a function of time by r⃗ =[2.90m+(0.0900m/s2)t2]i^− (0.0150m/s3)t3j^. a: at what value of t does the velocity vector of the insect make an angle of 34.0 degree clockwise from the x-axis? b: at the time calculated in part (a), what is the magnitude of the acceleration vector of the insect? c : at the time calculated in part (a), what is the direction of the acceleration vector of the insect?

Avalue that describes how heavy an object is and is related to the force of gravity is

Which type of basaltic lava flow has a fairly smooth