No attempt if the incident light is unpolarized, about how much of the light intensity gets through a plane polarizer? (give the answer as a decimal number.) i = | α β θ a b c d g h j k m p s t ( ) 7 8 9 home ↑^ ^↓ 4 5 6 ← / * 1 2 3 → + - 0 . end √() backspace del clear grade summary deductions 0% potential 100% submissions attempts remaining: 5 (5% per attempt) detailed view hints: 0 for a 0% deduction. hints remaining: 0 feedback: 0% deduction per feedback.

A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.

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.

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.