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If 400g of water at 30 C is poured over a 60g cube of ice with a temperature of -5 C. Does all the ice melt? If so, what is the final temperature of the water? If not, how much ice remains when the mixture reaches equilibrium.
A stone is thrown upward with an initial velocity of 6 m/s. What maximum height will the stone reach
A boy is riding a bicycle, and its wheels have an angular velocity of + 20 rad/s. Compute what is the angular acceleration of each wheel
An aluminum wire has the same resistance as a copper wire of the same length. Find the ratio of the aluminum wire's diameter tothe copper wire's diameter.
A circuit contains two elements, but it is not known if they are L, R or C. The current in this circuit when connected to a 9.30×101 V, What is the power dissipated in the circuit
An ideal fluid, of density 0.85 x 10^3 kg/m^3, flows at 0.25 kg/s through a pipe of radius 0.010 m. What is the fluid speed
A sinusoidally varying voltage is represented by V(t) = (75 V)sin(120?t). What are its frequency and peak voltage
Fuel systems of modern cars are designed so thermal expansion of gasoline doesn't result in wasteful and polluting fuel spills. As an engineer, How large an expansion tank do you specify
If a projectile is launched horizontally (launching angle = 0.0) at a height of y above the table top, and it falls on the table top, How long does it take the projectile to fall onto the table top
The average distance of the planet Mercury from the sun is 0.39 times the average distance of the earth from the sun. How long is a year on Mercury in units of earth years
When a ceiling fan rotating with an angular speed of2.70 {\rm rad/s} is turned off, a frictional torque of0.140 {\rm N \cdot m} slows it to a stop in 25.5 {\rm s}. What is the moment of inertia of the fan
A child's water pistol shoots water through a 1.8 mm-diameter hole. If the pistol is fired horizontally 78 cm above the ground, the squirt hits the ground 1.8 m away. What is the volume flow rate through the squirt? Ignore air resistance.
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. calculate the radius of a chamber
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