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Two parallel slits are illuminated by light composed of two wavelengths, one of which is 654 nm. On a viewing screen, the light whose wavelength is known produces its third dark fringe at the same place where the light whose wavelength is unknown produces its fourth-order bright fringe. The fringes are counted relative to the central or zeroth-order bright fringe. What is the unknown wavelength?
Calculate the net work done by the force of friction. A 1.50 m-long, 530 g rope pulls a 7.00 kg block of ice across a horizontal, frictionless surface. The block accelerates at 1.90 {rm m}/{rm s}^{2}. How much force pulls forward on (a) ice (b) rop..
a car starts at rest. it then accelerates at a rate of 1.3 ms east for 8.2 seconds. if itcontinues as this new velocity
Assuming biological substances are 98 percent water, estimate the masses of a cell with a diameter of 0.7 µm, a human kidney, and a fly. Take a kidney to be roughly a sphere with a radius of 5.0 cm and a fly to be roughly a cylinder 4.90 mm long a..
Four positively charged particles enter magnetic field as shown. What would be the path of each particle in the field
the cube of insulating material has the one corner at the origen . each side of the cube has length 0.250m so the top face of the cube is parallel to the xz-plane and is at y=.250m, calculated the net charge enclosed by the cube
At the beginning of the interval the astronaut is moving toward the right along the x-axis at 15.40, and at the end of interval she is moving toward the right at 5.40.
What is clowns total displacement
A 4 kg wooden block is at rest on a tabletop. A 0.03 kg bullet enters the block going at 800 m/s. How much time was the bullet in the block
A circular coil of wire 8.40cm in diameter has 16.0 turns and carries a current of 2.60A . The coil is in a region where the magnetic field is 0.580 T, What is this maximum torque in part (A)
A 1120 kg four door sedan hits a 1420 kg minivan that is at rest. The two cars lock together and skid 12.0 m on a level surface before stopping. what is the frictional force acting on the two cars
A dielectric-filled parallel-plate capacitor has plate area of 30cm^2 and plate separation of 5mm. The capacitor is connected to a battery that creates a constant voltage of 10V. The dielectric constant is 3. All through the problem, use epsilon_0..
A bicycle rim has a diameter of 0.65 m and a moment of inertia, measured about its center, of 0.29kg?m2. What is the mass of the rim
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