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Solve the following questions:
Question A: Assuming that the upper surface of the ice sheet is at -13?C and the bottom surface is at 0 ?C, calculate the time it will take to form an ice sheet 25cm thick.
Question B: If the lake in part (A) is uniformly 35m deep, how long would it take to freeze all the water in the lake?
What is the solution of the above questions?
The flowmeter shown in the figure measures the flow rate of water in a solar collector system. what is the volume flow rate
A motor contains a coil with a total resistance of 10 ohms and is supplied by a voltage of 120V. What is the current the instant the motor is turned on
A 55g horizontal metal bar, 15cm long, is free to slide up and down between two tall, vertical metal rods that are 15cm apart. What is the terminal speed at which the bar falls
The position of a particle is given by the expression x = 2.00 cos (2.00?t + ?), where x is in meters and t is in seconds. Determine the phase constant
A spherical wave with a wavelength of 1.66 m is emitted from the origin. At one instant of time, the phase at r=2.58 m is π radians. At that instant, what is the phase of r=4.22 m?
Two blocks are free to slide along the frictionless wooden track shown below. The block of mass m1 = 5.02 kg is released from the position shown, Calculate the maximum height to which m1 rises after the elastic collision
There is a common analogy about the structure of an atom, such as the nucleus is a fly in the centre of a sports stadium and the electrons are tiny gnats circling the stadium (tip of the hat to 'The Greatest Show on Earth') however what is in the spa..
You wrap a single layer of copper wire (diameter .812mm) around a tube (diameter 4cm length 28cm) to create an air filled solenoid. how many turns are there per centimeter
When a 65-kg person climbs into a 1000-kg car, the car'ssprings compress vertically by 2.8 cm. What will be the frequency of vibration when the car hits a bump
A small metallic bob is suspended from the ceiling by a thread of negligible mass. The ball is after that set in motion in a horizontal circle so that thread describes a cone. Compute the magnitude of the angular momentum of the bob about a vertic..
The catapult on an aircraft carrier can take an aircraft from 0 to 182 mph in 11 seconds, at which time the aircraft launches
three identical thin rods each of length l and mass m are welded perpendicular to one another as shown in figure
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