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A mass and spring are arranged on a horizontal, frictionless table as shown in Figure P6.58. The spring constant is k = 570 N/m, and the mass is 5 kg. The block is pushed against the spring so that the spring is compressed an amount 0.35 m, and then it is released. Find the velocity of the mass when it leaves the spring.
A copper (cu) penny has a mass of 3.11 g. The molar mass of copper is 63.5 g/mol. How many atoms of Cu are there ? what fraction of the electrons have been removed
A 4.5 %u03BCF capacitor initially has a charge magnitude Q = 2.0 x 10-8 C. What is the total energy stored in the capacitor
Radioactive decay of granite and other rocks in the Earth's interior provides sufficient energy to keep the interior molten, heat lava, and supply warmth to natural hot springs.
Consider a solid sphere, mass = 4.0 kg, that is spinning with an angular velocity of 23 radians/second.The diameter of the sphere is 0.20 meters
A 40.0 cm long organ pipe is filled with air and is open at both ends. The velocity of sound in air at 0°C is 331 m/s. what is the frequency of the fundamental frequency
A series ac circuit contains a 230? resistor, a 13.0mH inductor, a 2.50?F capacitor, and an ac power source of voltage amplitude 45.0Voperating at an angular frequency of 360rad/s. Find the average power delivered to the entire circuit
A 21.8-kg box rests on a frictionless ramp with a 15.7° slope, what is the smallest force F the mover will have to exert to move the box up the ramp
A rectangular container measuring 23 cm 51 cm 65 cm is filled with water. What is the mass of this volume of water in kilograms and grams.
A curve of radius 53.8 m is banked so that a car of mass 2.5 Mg traveling with uniform speed 56 km/hr can round the curve without relying on friction to keep it from slipping on the surface
The potential difference between the plates of a capacitor is 242V. Midway between the plates; a proton and an electron are free. The electron is released from rest.
A constant force, = (1.27, -2.33, 3.93) N, acts on an object of mass 10.3 kg, What is the total work done by this force
A sample of a material has 40000 radioactive particles in it today. Your grandfather measured 80000 radioactive particles in it 60 years ago. how many radioactive particles will the sample have
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