A permanent magnet of mass 0.5 kg is falling with a constant speed of 4 cm/s down through a vertically oriented copper tube. While falling the magnet does not touch the tube. How large is the magnitude of the magnetic force that acts on the permanent magnet during the fall? (in N) 0.050 0.50 5.0 20 40.
Question 1: If you dropped an object straight down at 1.3m/s from height of 2.2m. Calculate the speed *magnitude of the velocity of ball just before it touches the ground* Question 2: if you thrown an object straight up at 3m/s from initial height of 2.2m.How long would it take to touch the ground?
The crystal structure of copper is face-centered cubic (fcc), in which atoms touch along the face diagonal. Copper has a density of 8.92 g/cm3 . Taking Avogadro's number to be 6.022 x 1023 atoms per mole and the molar mass of copper to be 63.55 g/mol, calculate the atomic radius of a copper atom.
Using a seven iron, a golfer hits her tee shot to an elevated green 2.6 m higher than the tee. If the initial velocity of the ball was 42.6 m/s and the angle of projection of 65 degrees above the horizontal determine: a. the horizontal distance the golf ball traveled b. the velocity of the golf ball at touch down.
A high diver of mass 59.8 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. If her downward motion is stopped 2.10 s after her feet first touch the water, what average upward force did the water exert on her? ?N
Q. 3. Potassium fluoride adopts the rock salt (NaCl type) structure, with a density of 2.48 g/cm3. Using the data for the Part 4 model you constructed, calculate the expected distance between the center of the potassium ion and the center of an adjacent fluoride ion in pm. Q. 4. The diameter of a Cs+ ion is 334 pm; the...
ASSIGNMENT #3 ** using System; namespace GradeCalculatorNew { class MainClass { public static void Main (string[] args) { int test1,test2,test3; double average,average2; char letterGrade; Console.WriteLine("Enter test score1"); test1=Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Enter test score2"); test2=Convert.ToInt32(Console.ReadLine()); ...
“Conceptual Question” After combing the fur of a cat with a plastic comb, you find that the comb can attract an empty aluminum soft-drink can. The can, lying on its side on a wooden tabletop, rolls toward the comb. Remarkably, even after you touch the comb to the can, the can still is attracted to the comb. Explain these observations.
A women’s soccer player was sprinting and reached for the ball with his leg sticking out. She immediately stopped running and grabbed the back of her thigh. She had weakness when bending her knee and pain to touch her toes. The athlete was diagnosed with a Grade 1 hamstring strain. Name 2 exercises for a hamstring strain.
Two small, identical particles have charges Q1 = +8.5 μC and Q2 = -18μC. The particles are conducting and are brought together so that they touch. Charge then moves between the two articles so as to make the excess charge on the two particles equal. If the particles are then separated by a distance of 50 mm, what is the...