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A 0.75 kg cart has been attached to a spring. The cart is moved to the right by 2.0 cm. Find the spring constant. What is the elastic potential energy stored in the spring? Does this energy depend on the mass of the cart?
Two starships, the Enterprise and the Constitution, are approaching each other head-on from a great distance. what wavelength was emitted by the Enterprise
Describe in your own words the issues that the exposure draft/proposal and comments letters are dealing with.
An unknown solution of ethanol was titrated with 25.0ml of .02M solution of potassium dichromate in sulfuric acid in sulfuric acid. Determine the mass (in grams) of ethanol in the unknown sample
Calculate the reversible work required to transport 1mol of K+ from a region where CK+=5.25 mM to a region where CK+=35.5 mM if the potential change accompanying this movement is ?f = 0.055 V. Assume T = 298 K.
A television is tuned to a station broadcasting at a frequency of 8.50 107 Hz. Find the optimum length of the antenna
Farman Appliance Mart began operations on May 1. It uses a perpetual inventory system. During May, the company had the following purchases and sales for its Model 25 Sureshot camera.
Do the necessary acquisition analysis and provide the business combination valuation entries and the pre-acquisition adjustment entry at acquisition date.
Critically evaluate short term liquidity using the ratios - Critically evaluate the profitability using the ratios
Calculate the profit and loss position for each of the patient service departments and the hospital as a whole.
What is the internal rate of return for each piece of equipment, what is the payback period for each machine
A planet orbits a star, in a year of length 4.58 x 107 s, in a nearly circular orbit of radius 2.85 x 1011 m. With respect to the star, determine the angular speed of the planet
the focal point of a convex mirror is 4.0 m behind the mirror. a woman stands 2.0m in front of the mirror. what is the distance between the woman and her image
A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.5 kg and the sign has a mass of ms = 15.9 kg. What is the net force the hinge exerts on the beam
The block is spun at 60 rpm, then the temperature of the rod is slowly increased. When the wax melts, the block slides out to the end of the rod. Determine the final angular velocity? Give your answer in rpm.
A 2.00-ton automobile is parked at the top of a hill that is 100ft high and inclined 25 degrees with respect to the horizon. find the automobile velocity (ft/s) at the bottom of the hill
Two 10 cm-diameter charged thin rings face each other, 20 cm apart. The left ring is charged to 20 nC and the right ring is charged to +20 nC. What is the electric field.
Find out the magnetic field strength
A crate of mass 10.2 kg is pulled up a rough incline with an initial speed of 1.60 m/s. What is the change in kinetic energy of the crate
A certain medical machine emits x-rays with a minimum wavelength of 0.025 nm. One day, the machine has an electrical problem and the voltage applied to the x-ray tube decreases to 80 percent of its normal value. Now what is the minimum x-ray wavel..
.250 kg ball is dropped to the floor from a height of 1.0 m and upon rebounding, reaches a height of .60 m. What is the impulse delivered to the ball by the floor?
You have a wire of length L = 2.1 m for making a square coil of a dc motor, Find the maximum torque exerted on the coil when the wire is used to make a single-turn square coil
Two trains approach each other on parallel tracks. how long (in seconds) will it be before they pass each other
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