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A mass of 7 kg is placed on an incline with friction and no additional forces acting on it and it begins to slide at some angle when the angle is slowly increased as discussed in class. Now, the same mass is placed on the same incline, but an additional force of 29 Newtons is applied to it perpendicular from the incline, away from the incline (it's always in that direction). As the angle of the incline is slowly increased, it slides at a different angle with this force. If the angle which it begins to slide with the force is 35 degrees, how much further can the angle be raised with the force than without the force? Answer in degrees.
A +18 µc charge is 15 cm to the right of a -12 µc charge. What is the force on the positive charge
A taut string connects a 5-kg crate to a 12-kg crate. The coefficient of static friction between the smaller crate and the floor is 0.573; What is the tension in the rope when that force is applied
Every form of media shapes the style of communication. Take a single recent news story and find it in two different types of media (internet blog, print newspaper, TV, radio- ONE of the two must be print based). Identify the story and its sources ..
Under normal conditions, humans radiate electromagnetic radiation of frequency 3.33 x 1013 Hz. What is the wavelength associated with this radiation
Using the tables for water, determine the specified property data at the indicated states. In each case, locate the state on sketches of the p-v and T-v diagrams.
In an internal combustion engine, air at atmospheric pressure and atemperature of about 20 C is compressed in the cylinder by a pistonto 1/9 of its original volume (compression ratio = 9.0).
Water must be pumped from a stream to a water tank several hundred feet (meters) away. The discharge point will be 50 ft (15.3 m) above the stream.
What is the linear speed of the hoop's center of mass just as the hoop leaves the incline and rolls onto a horizontal surface
q1. a 9300 kg boxcar travelling at 23 ms strikes a second boxcar at rest. the two stick together and move off with a
Consider an isotope with an atomic number of 13 and a mass number of 54. Using the atomic masses given in the attached table, calculate the binding energy per nucleon for this isotope.
What is the momentum of a 950 kg sports car traveling down the road at a speed of 26 m/s
The electric field of a sinusoidal electromagnetic wave obeys the equation E=(375V/m)cos[(1.99×107rad/m)x+(5.97×1015rad/s)t]. What is the amplitude of the magnetic field of this wave
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