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The steering wheel of a car has a radius of 0.20 m, while the steering wheel of a truck has a radius of 0.32 m. The same force is applied in the same direction to each. What is the ratio of the torque produced by this force in the truck to the torque produced in the car?
You are using a magnifying glass held against your eye to study an insect. The distance between the insect and your eye/magnifying glass is 2.5cm. What is the angular magnification of the magnifying glass?
A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid. What is the index of refraction of the unknown liquid
In an eclipsing spectroscopic binary system, the maximum radial velocities for the two components are 20 and 5 km/s. The orbit is circular, and the orbital period is 5 years. It takes .3 days from the start of the eclipse to the main minimum, whic..
What minimum force requires for door to hold it open
Consider two identical 25-micro-coulomb point charges, each of 18 mg mass. Let them initially be at rest, 80 cm apart. How fast (in m/s) will each charge be moving when the charges are very far apart
turn in your answers to the following problems below.nbsp as always make sure to show all of your work.1. sound waves
When a liquid and its vapor are in equilibrium, the rates of evaporation of the liquid and condensation of the vapor are equal. Compute the rate of evaporation of mercury into a vacuum
A racquetball strikes a wall with a speed of 30 \rm m/s and rebounds with a speed of 26 \rm m/s. What is the average acceleration of the ball
Two identical guitar strings are prepared such that they have the same length (2.17 m) and are under the same amount of tension. find the wave propagation speed on the guitar strings
an incident wave d2.0 cm sin 4.5x-18t where x and t are in meters and seconds travels down a cord from a section with
A heat engine operates between a reservoir at 28°C and one at 354°C. What is the maximum efficiency possible for this engine
A solenoid 1.45 m long and3.10 cm in diameter carries a currentof 21.0 A. The magnetic field insidethe solenoid is 17.0 mT. Find the length of the wire forming the solenoid
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