Aparticle has a charge of +1.5 µc and moves from point a to point b, a distance of 0.15 m. the particle experiences a constant electric force, and its motion is along the line of action of the force. the difference between the particle's electric potential energy at a and b is epea - epeb = +9.0 10-4 j.
(a) find the magnitude and direction of the electric force that acts on the particle. the direction of motion (along, against, perpendicular)
(b) find the magnitude and direction of the electric field that the particle experiences. /c the direction of motion (along, against, perpendicular)

The ballistic pendulum was invented in 1742 by english mathematician benjamin robins. it consists of an initially stationary pendulum that moves after being struck by a bullet, and it is used to measure the original velocity of the bullet. the known variables are the bullet's mass m, the pendulum's mass m, and the height to which the block and bullet swing, determined by the length of the pendulum l and final angle θ. two principles of physics are necessary to solve for the bullet's original velocity. what are these principles? conservation of momentum and newton's third law conservation of energy and conservation of angular momentum grade summary deductions 0% potential 100% conservation of momentum and newton's second law. newton's second law and conservation of angular momentum. conservation of energy and newton's third law conservation of momentum and conservation of angular momentum. conservation of momentum and conservation of energy conservation of energy and newton's second law.

How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b