When planning your oral presenation, which of the following is an ideal location for presenting your presentation? question 4 options: in front of family or friends at a science fair in front of your classmates at an all-school assembly

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Name two kinds of practical electric pumps.

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?