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Compute all parts of given question:
Question: A 0.610 kg block slides on a frictionless, horizontal surface with a speed of 1.57 m/s. The block encounters an unstretched spring and compresses it 25 cm before coming to rest.
Part A: What is the force constant of this spring? _______ N/m
Part B: For what length of time is the block in contact with the spring before it comes to rest? _______ s
Part C: If the force constant of the spring is decreased, does the time required to stop the block increase, decrease, or stay the same? Explain.
Please show all intermediate steps and formulas for above question.
a rigid closed insulated container with a volume of 45 ft3 is filled with carbon dioxide at a pressure of 14.7 psia and
two parallel plates each of area 6.27 cm2 are separated by 3.60 mm. the space between the plates is filled with air. a
Suppose the cloud of atoms is cooled to one micro-Kelvin. Calculate the root mean square speed of the rubidium atoms. [The atoms are at such low density that they remain in a (metastable) gas phase].
A long, straight wire of length 1.5 mcarries a current of I = 6.0A. If a magnetic field of magnitude B = 1.3 T is directed perpendicular to the wire, what is the magnitude of the force on the wire?
A 1000kg car moving 40m/s skids to a stop. During the skid, the only force is the frictional force between the tires and the road, What is the initial kinetic energy of the car
A baseball fan sitting the “cheap seats” is 255m from home plate. How much time elapses among the instant the fan sees a batter hit the ball and the moment he hears the sound?
what formula do i use to find electric potential? units? what formula do i use to find potential energy? units? if you
A cargo plane is flying horizontally at an altitude of 11.5 km with the speed of 820 km/h when a large crate falls out of the rear loading ramp. (Ignore any effects due to air resistance.)
A hiker's trip consists of three segments. Path A is 8km long heading 65 degrees north of east. Path B is 7km long in a direction due east. Path C is 4.0 km long heading 313 degrees counter clockwise from east.
An object with a net charge of 44 µC is placed in a uniform electric ?eld of 554 N/C, directed vertically. The acceleration of gravity is 9.81 m/s^2. What is the mass of this object if it ?oats in this electric ?eld?
A vector has components of 12.0 units along the x axis and 14.0 units along the y axis. What is the magnitude of the vector? What is the angle among the vector and the x axis (degrees)?
In 1911, Ernest Rutherford and his assistants Geiger and Marsden conducted an experiment in which they scattered alpha particles, What is the smallest distance between the alpha particle and the nucleus before the alpha particle reverses direction
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