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A 4-L rigid tank contains 2 kg of saturated liquid-vapor mixture of water at 50°C. The water is now slowly heated until it exists in a single phase. At the final state, will the water be in the liquid phase or the vapor phase? What would your answer be if the volume of the tank were 400 L instead of 4 L?
An air puck of mass m1 = 0.15 kg is tied to a string and allowed to revolve in a circle of radius R = 1.1 m on a frictionless horizontal table. What is the horizontal force acting on the puck
A bicyclist rides 3.97 km due east, while the resistive force from the air has a magnitude of 7.84 N and points due west. Find the work done by the resistive force during the round trip
An ideal (Carnot) freezer in a kitchen has a constant temperature of 263 K, whereas the air in the kitchen has a constant temperature of 303 K. Suppose the insulation for the freezer is not perfect and conducts energy into the freezer at a rate of 0...
An ice cube slides from rest without friction down a long inclined ramp that makes an angle of 36.1 o with the horizontal. What is the speed of the cube
What is the magnitude of the force on the bead. find the charge of the particle.
Ice of mass 45.5 g at -10.9° C is added to 212 g of water at 15.8° C in a 101 g glass container of specific heat 0.200 cal/g-°C at an initial temperature of 22.7° C
Two objects with masses 5.60 kg and 1.40 kg hang 0.500 m above the floor from the ends of a cord 6.80m long passing over a frictionless pulley. Both objects start from rest. Find the maximum height reached by the 1.40kg object.
A concave mirror forms a real image which is twice the size of the object. calculate the radius of curvature of the mirror
Two metal plates have an electric field between them. What is the electric potential difference between the plates
question a sled slides along a horizontal surface on which the coefficient of kinetic friction is 0.28. its velocity at
1. A car is initially travelling at 30 m/s. The driver hits the brakes and comes to a complete stop in 3 seconds. Assume the acceleration was constant. (a) What force was responsible for the driver decelerating? (b) Draw the full force diagram. Ass..
A person starts from rest at the top of a large, frictionless, spherical, and slides into the water elow. At what angle does the person leave the surface? (Hint: when the person leaves the surface, normal force is zero.) Radius is not given.
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