A kennedy half dollar has a mass of 1150 x 10-2 kg the
A Kennedy half dollar has a mass of 1.150 X 10-2 Kg. The coins is a mixture of silver and cooper, and in water weights 0.1011 N. What is the mass of the silver?
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water at 150 degrees in a beaker is placed in an airtight chamber. Air is gradually pumped out of the container. What reduction below atmospheric pressure of 14.7 psi must be achieved before water boils
Two converging lenses with focal lengths of f1 = 2.00 cm and f2 = 5.00 cm are situated 14.0 cm apart on a long optics bench. determine Is the final image real or virtual
Link BC is 6 mm thick, has a width w= 25 mm, and is made of a steel with a 480 MPa ultimate strength in tension. What is the safety factor used if the structure was designed to support a 16 kN load P
A copper cup of mass 0.300 kg contains 1.00 kg of water at 315 K. It is cooled so that the temperature decreases by 2.50 K each minute. What is the rate of removal of thermal energy in watts
A Kennedy half dollar has a mass of 1.150 X 10-2 Kg. The coins is a mixture of silver and cooper, and in water weights 0.1011 N. What is the mass of the silver
A 600 gram particle (initially at rest at the origin) is subjected to a force of F=15i+20j (N), calculate the average power produced by this force
A glass lens has a convex surface with radius 25.0 cm and a concave surface with a radius of 50.0 cm. Calculate the focal length of this lens
A laser beam is incident on two slits 0.100 mm apart and a screen is placed 4 m from the slits. what is the wavelength of the laser light
A 0.02wt% C steel is to be carburized at 1200°C in 4 hrs with a point 0.6mm beneath the surface reaching 0.45wt%C. calculate the carbon content required at the surface of the steel.
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