Aprojectile is launched at an angle of 60° above the horizontal. compared to the vertical component of the initial velocity of the projectile, the vertical component of the projectile's velocity when it has reached its maximum height is

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?

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

Which of the following has the greatest impact on an ecosystem migratory animals predation human inference