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A mass-spring system oscillates with an amplitudeof 4.40 cm. If the spring constant is 269 N/m and the mass is 403g,
determine the mechanical energy of the system.
Determine the maximum speed of the object.
Determine the maximum acceleration.
A magnetic field has a magnitude of 0.0018 T, and an electric field has a magnitude of 3.4 × 103 N/C. Both fields point in the same direction. find the magnitude of the net force that acts on the charge
If 6.010 moles of an ideal gas has a pressure of 3.390 × 105 Pa and a volume of 0.111 m3, what is the temperature of the sample in degrees celsius
A sealed cubical container 17cm on a side contains three times Avogadro's number of molecules at a temperature of 16°C. Find out the force exerted by the gas on one of the walls of the container.
A chest x ray uses 14 keV photons. A 65 kg person receives a 35 mrem dose from one x ray that exposes 25% of the patient's body
Light strikes a metal surface, causing photoelectric emission. The stopping potential for the ejected electrons is 3.4 V, What is the wavelength of the incident light
Assume that you need to transfer 4689860 J of energy in ten minutes between the two reservoirs. What should the cross-sectional area of the steel rod
A rifle with a barrel length of 62 cm fires a 12 g bullet with a horizontal speed of 460 m/s/s. The bullet strikes a block of wood and penetrates to a depth of 15 cm.
A spool of wire of mass 6.9 kg and radius 0.28 m is unwound under a constant wire tension 15 N. Assume the spool is a uniform solid cylinder that rolls without slipping. Find the friction force on the bottom of the spool
q.1. a child complains that her milk is too hot. it is indeed too hot at 90o c. her mother pours 70 g of cold milk at
A 600X microscope uses a 0.35 cm focal lengthobjective lens. if the tube length is 16.0 cm, what is the focal length of the eyepiece
A cannon tilted upward at 20° fires a cannonball with a speed of 105 m/s. What is the component of the cannonball's velocity parallel to the ground
A perscription for a corrective lens calls for +1.5 D. The lensmaker grinds the lens from a "blank" with n=1.55, What should be the radius of curvature of the other surface
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