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1. A point source of light lies on the central axis of a bi-convex spherical lends who radii of curvature are both measured to be 19.4 cm. The lens is made up of glass with an index of refraction of 1.50 and the source is 3.17 meters to the left of it. What is the image distance (in meters)?
2. A grasshopper sitting 31.4 cm to the left of a convex lends sees its image on a screen 68.6 cm to the right of the lens. It then jumps 16.2 cm toward the lens. Where will its image be now?
3. A point source is moved along the central axis of a thin spherical glass (n=1.5) lens, and it is found that when the source is at 10.1 cm from the lens the emerging light forms a perfectly cylindrical beam travelling along the axis. Where will the image be when the source is moved out to 150 cm from the lens?
While two forces act on it, a particle is to move at the constant velocity v = (3m/s)i - (4 m/s)j. One of the forces is FA = (4 N)i + (- 9 N)j. Find what is the other force
A real image 1.5 cm high is 18.0 cm from a thin lens. The image is on the opposite side of the lens, 32.2 cm from the object. How big is the image
A charge of 2.5 Coulombs is uniformly distributed throughout a nonconduction sphere of radius 0.15 m. calculate the charge density in the sphere
X-rays having an energy of 280 keV undergo Compton scattering from a target. The scattered rays are detected at 36.0° relative to the incident rays. Find the Compton shift at this angle
An air parcel with mass = 150 kg is traveling at 15 meters per second due east at 38 degrees North at an altitude of 5500 meters. What is the total force exerted on the air parcel
A 136.48 gram ice cube at -12°C is placed in an aluminum cup whose initial temperature is 74°C. Determine what is the mass of the cup
There are two light bulbs in a circuit, powered by one battery. One light bulb is a 100 watt light bulb and the other a 200 watt light bulb. How much power must the battery be supplying for the lights to be running at full power?
Treating our rigid legged friend as a particle, what is the average force his feet exert on the ground when he slows down.
A cylindrical storage tank has a radius of 1.23 m. When full to a height of 3.64 m, it holds 13400 kg of a liquid industrial solvent. What is the density of the solvent?
The longest "string" (a thick metal wire) on a particular piano is 3.0 m long and has a tension of 400.0 N. What is the total mass of the wire
A cylindrical iron wire of length 16 m is connected to the terminals of a .3 V battery. What is the diameter of the wire, in mm
you are traveling in a convertible with the top down. the car is moving at a constant velocity 26.2 ms due east along
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