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A spring is hung from a ceiling,and an object attached to its lower end stretches the spring by adistance of 5.00 cm from its unstretched position when the systemis in equilibrium. If the spring constant is 43.2N/m, determine the mass of the object.
kg
What is the greatest mass that can be accelerated upwards at 2.9 m/s2 if the stress in the cable is not to exceed the elastic limit of the cable, that is 2.2 108 Pa.
A 200 gram metal block absorbs 1500 joules of heat, and its temperature changes by 150 degrees Celsius. What is the specific heat capacity of this metal
A spherically symmetric object, with radius = 0.50 m and mass = 1.9 kg, rolls without slipping across a horizontal floor, with velocity = 0.8 m/s. It then rolls up an incline with an angle of inclination = 28o and comes to rest a distance = 3.9 m ..
Four masses M in deep space are connected by four identical light springs with spring constant k and equilibrium length L. What is the kinetic energy of this system
An electron orbiting a hydrogen atom has an initial energy of -0.544 eV. The atom emits a photon, then absorbs a photon, ending up with an energy of -3.4 eV. What was the wavelength of the emitted photon?
A convex spherical mirror with a radius of curvature of 14.5 cm creates a virtual image one half the size of the real object. Where is the object.
A 2590-kg van runs into the back of a 821-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van
The speed of a 135-gram hockey puck decreases from 37.0 m/s to 30m/s while coasting a distance of 12.5 meters. Find the force of friction between the ice and the puck
Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next. What was your original speed
A charge +7.4 %u03BCC is placed at the center of the hollow spherical conductor with the inner radius 3.2 cm, What is the total charge on the interior
Two capacitors have the same plate separation, but one has square plates and the other has circular plates, at is the dielectric constant kcircular of the material between the circular plate
A cubic meter of some material has a mass of 5200 kg. Find the buoyant force on the block and the tension in the cable
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