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Water has a latent heat of vaporization of 2257 kJ/kg. Steam is used to heat a copper tube of 0.264 kg from 20 degrees C to 100 degrees C. All the heating is due to the heat released from the steam condensing. What is the minimum mass of steam that could have been used? Give your answer in Standard SI units. (Use cCu = 0.386 kJ/kg . K)
questiona known toy consists of an aligned row of identical steel balls that are suspended bynbspmono?lament so they
Consider a 0.200kg pendulum bob that is in an upright circular cylinder with a 0.0193 diameter, Draw a free body diagram and calculate the tension and the centripital acceleration at the bottom of the pendulum's swing
What is the tangential acceleration of a bug on the rim of a 11.0-in.-diameter disk if the disk accelerates uniformly from rest to an angular speed of 76.0 rev/min in 3.30 s, what is its centripetal acceleration
a man with mass m1 61 kg stands at the left end of a uniform boat with mass m2 168 kg and a length l 2.6 m. let the
q1. a plane is flying horizontally with speed 198 ms at a height 6640 m above the ground when a package is dropped from
A modern sculpture has a large horizontal spring, with a spring constant of 276 N/m, that is attached to a 49.0-kg piece of uniform metal at its end, By how much has the spring stretched in meters
An object is formed by attaching a uniform, thin rod with a mass of mr = 6.92 kg and length L = 4.92 m to a uniform sphere with mass ms = 34.6 kg and radius R = 1.23 m. What is the moment of inertia of the object about an axis at the left end of th..
The rope is inclined at 20.30° above the horizontal, and the sledge moves a distance of 20.3 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500.
The function y(x,t) = (27.0cm)cos(pix-22pit) with x in meters and t in seconds, What is the transverse speed for a point on the string at an instant when that point has the displacement y = +24.0 cm
A satellite has a mass of 5939 kg and is in a circular orbit 4.94 × 105 m above the surface of a planet. The period of the orbit is 2.3 hours. What would be the true weight of the satellite
You shine violet light through a diffraction grating (200 lines/cm) on a screen 2.0 m from the grating. The width of the light beam is 0.15 mm. How many slits will the light pass through
What is the temperature T of the Concorde's skin in flight?
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