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Q. A light ray enter from air into a liquid at an angle of 53 degrees it is refracted making an angle of 37 degrees with the normal.find the refractive index of liquid.
Q. A solid cylinder with a radius of 4.0 {rm cm} has the same mass as a solid sphere of radius R. If the cylinder and sphere have the same moment of inertia about their centers, what is the sphere's radius?
Assume unpolarized light of intensity 197 W/m2 falls on the polarizer in the figure, and the angle in the drawing is 37.0°. What is the light intensity reaching the photocell?
A space traveler weighs 580 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth?
What is the total charge on Earth's surface implied. explain the strength and direction of an electric field.
Three charged particles are arranged into a triangle. The charge on the particle located (4.0cm, 3.0cm) is 5nC. The charge on the particle at the origin is -3nC, and the change on the particle located at (4.0cm, 0cm) is +6nC. Determine the magnitu..
The incident electron loses energy The incident electron emits an x-ray.
An electric field of 300 V/m is confined to a circular area d = 11.1 cm in diameter and directed outward perpendicular to the plane of the figure. If the field is increasing at the rate of 22.0 V/m·s, what are direction and magnitude of the magnet..
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other?(Hint: Use charge conservation and solve for one of the initial charges. You will end up with a quadratic equation. The solutions giv..
Using the data calculate the average speed of blood flow in the major arteries of the body which have a total cross-sectional area of about 2.0 cm2.
What is an average acceleration of the dragonfly
Two tiny conducting spheres with a mass of 15gm each are hanging from non-conducting threads of length 70cm such that they are 4cm apart as shown to the left.
How many revolutions does the ball make during its fall. Now assume that the ramp is frictionless, so that the ball slides instead of rolling. Through what horizontal distance d does the ball move before landing in this case.
A person pulls a toboggan for a distance of 40m along the snow with a rope directed 25 degrees above the snow. The tension in the rope is 83N.
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