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An ice cube of mass of 10 g is taken from the freezer at-10ºC and placed into 200 ml of water in a 100-g glasscontainer at 20ºC. What will be the final temperature of the mixture after the ice has melted? The specific heat of ice is 2100J/(kg ºC), of water is 4186 J/(kg ºC) and of glass is 840J/(kg ºC). The latent heat of fusion of ice is 3.33 ×105 J/kg.
A skier of mass 68.4 kg glides down a hill of slope 26.5 degree at constant speed. find the coefficient of friction between her skis and the slope
A car with a mass of 1.50x10^3 kg starts from rest and accelerates to a speed of 18.0 m/s in 12s. Assume that the force of resistance remains constant at 400-N all through this time. What is the average power developed by the car's engine?
On a frictionless table, a glob of clay of mass 0.42 kg strikes a bar of mass 1.98 kg perpendicularly at a point 0.39 m from the center of the bar and sticks to it. At what angular speed does the bar/clay system rotate about its center of mass afte..
A bag of intravenous (iv) infusion is help up at 80 cm above the level of patient's veion, What is the downward force of the saline solution on the clot at the tip of the catheter
A spacecraft is in empty space. It carries on board a gyroscope with a moment of inertia of Ig = 24.0 kg · m2 about the axis of the gyroscope. The moment of inertia of the spacecraft around the same axis is Is = 5.00 105 kg· m2.
Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths
A 20-cm-diameter vertical cylinder is sealed at the top by a frictionless 18kg piston. What is the gas pressure inside the cylinder
series circuit contains a resistor and one unknown element, which could be a resistor, a capacitor, or an inductor. What is the second element
A particle is oscillating with simple harmonic motion with a period of T = 2.44 s, What is the amplitude of the particle's motion
A 4.29-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box, Determine the kinetic frictional force that acts on the box
Calculate the vertical component of its velocity by the time it hits the ground
How much time does the object take to reach the ground.
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