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A 2.0-kg object is moving without friction along the x-axis. The potential energy curve as a function of position is shown in the figure, and the system is conservative. If the speed of the object at the origin is 4.0 m/s, what will be its speed at 7.0 m along the +x-axis?
the binding energy for chromium metal is 4.37 ev. what wavelength of radiation must be used to eject electrons with a
Radio waves of frequency 1.1 x 10^10 Hz are emitted from a radar antenna travelling in an eastward direction. If the amplitude of the electric field component is 1.2 V/m, calculate the intensity of the wave
This assignment has been designed to give you a general oversight of the typical issues that you will face as a database administrator/consultant in most commercial situations. The objective is to prepare with a solid foundation of good database d..
Find the mass of this objectAn object of unknown mass is attached to an ideal spring with force constant 130 and is found to vibrate with a frequency of 5.60 Hz. found to vibrate with a frequency of 5.60 Hz. Find the period. Find the angular veloci..
Find the magnitude of the force per unit length that one wire exerts - Is the force attractive or repulsive? attractive repulsive
A regulated 0-50v power supply with 0.9Ohm internal resistance isused to deliver electric power to a 0.1Ohm heating element. Compare the power delivered to the heating element when it is connecteddirectly to the power supply with the power deliver..
an elevator can have a maximum mass 1000kg in it and the elevator has a mass of 2000kg. if the elevator can accelerate
Two cars have a head on collision. Both were traveling at 42m/s toward each other. Car A has a mass of 722 KG. Car B has a mass of 848KG. After impact, car A is moving backward at 2 m/s. What is car B's velocity after impact.
A child, whose weight is 150 N, lifts a pumpkin from the ground with a force of 50 N. The force the pumpkin exerts on the child is: A car rounds a curve while maintaining constant speed. A brick slides across a horizontal rough surface and eventually..
Mercury flows through a horizontal pipe 0.80 cm in diameter and 0.5 m long. what is the rate of flow through the tube
q1. a calculate the magnitude of the gravitational force exerted by venus on an 80 kg human standing on the surface of
4 moles of an ideal gas have an initial temperature of 127 C. The temperature of the gas is kept constant and the volume is increases until the pressure drops to 40.0% of its original value. Calculate the heat added to the gas
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