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It is illuminated normally by white light. Analysis of the reflected light shows that the wavelengths 360, 450, and 602 nm are the only missing wavelengths in or near the visible portion of the spec
Two lenses, one converging with a focal length equal to 10 cm, and another diverging with a focal point of -15 cm are separated by 35 cm. An objet is 20 cm to the left of the converging lens.Is the
What is the difference betweeen the angles of incidence of the two rays?
Explain why the ability to distinguish the two headlights of an oncoming car, at a given distance, is easier for the human eye at night than during daylight hours.
Why is it far less dangerous to stand in front of an intense beam of red light than in front of a very low-intensity beam of gamma rays?
A 20.0 microcoloumb charge is placed at (0,4) cm, a 4.00 microcoloumb charge is placed at (2,2), and an 8.50 microcoloumb charge is placed at (-3,-4). A)) Determine the work that was required to ass
A)) how long does it take for the proton to strike the top plate (hint: this is a projectile motion problem, find acceleration). B)) What is the horizontal range that the proton travels??
How much current would the inductor mentioned in part A have to carry to store 0.60J of energy?
If the plates are separated by 0.50 cm, what is the magnitude of the electric field in the capacitor?
The wire loop has a resistance of 200 ohms and a radius of 30cm. It is resting in a uniform B-field that is changing with time. It produces a counterclockwise current of 50mA. What is the magnitude
When pedaling the cyclist notes that the pedal rotates at one revolution every t = 1.6s. When pedaling the wheel sprocket and the wheel move at the same angular speed.
The index of refraction for violet light in silica flint glass is 1.66 and that for red light is 1.62. What is the angular dispersion of visible light passing through an equilateral prism of apex an
If the rod has a mass of 1.23 kg and a length of 1.25 m and the weight has a mass of 1.14 kg where should the mass be placed to give the pendulum a period of 2.00 seconds? Measure the distance in me
What is the difference in the period (s) between a location where g = 9.8000 m/s2 and a location where g=9.79000 m/s^2?
In RL, AC curcuit.when the applied voltage is equal to 4.50 V, the current also has a non-zero value. When the applied voltage drops to zero the current in the circuit does not go to zero instantan
What is the velocity of a beam of electrons that go undeflected when passing through perpendicular electric and magnetic fields of magnitude 8.8x10^3V/mand 3.5x10^-3Trespectively? What is the radius
Tell me how you expect the intensity of light to vary as you move away from the light. Tell me why you think this is the case. In other words, give me a simple derivation of your relationship.
If the opening of the hole and the end of the ramp are at the same height, y = 0.710 m, at what speed must the golfer hit the ball to land the ball in the hole? Assume a frictionless surface and the
Two metal spheres have identical size and contain charges of -6C and +14C. The spheres are touched together and then pulled apart. Determine the charge that now exists on each sphere.
An object, which is initially at rest on a frictionless horizontal surface, is acted upon by four constant forces. F1 is 18.1 N acting due East, F2 is 37.0 N acting due North, F3 is 39.2 N acting du
The blade of a windshield wiper moves through an arc of 90° in a time of 0.40s. The tip of the blade moves on the arc of a circle that has a radius of 0.45m. What is the magnitude of the centrip
A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +2.0. What is the magnification when the convex side is used as a mirror, the object rem
A spring, with k = 2500 N/m, is fixed vertically to the floor. A 10.0-kg box is pressed down on the spring such that the total compression of the spring is 0.5 m. When the box is released, what is t
If a dog senses the arrival of P waves and starts barking 45.0 s before an earthquake is felt by humans, approximately how far is the dog from the earthquake's epicenter?