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One end of a short aluminum rod is in a campfire and the other end is in a block of ice. If 100 Joule of energy is transferred from the fire to the rod, and if the temperature at every point in the rod has reached a steady value, find how much energy goes from the rod into the fire?
Two small beads having positive charges 2q and q are fixed at the opposite ends of a horizontal insulating rod, At what position is the third bead in equilibrium
Suppose that the speed of light in a vacuum were one million times smaller than its actual value: c = 3.00 x 102 m/s. Determine how far you would have to compress the spring from its equilibrium length
the position of a cart that is oscillating on a spring is given by the equation x= 12.3 cm cos [(1.26 s-1)t], velocity and acceleration of the cart
a rock is shot vertically upward from the edge of the top of a tall building.the rock reaches its maximum height above
A planet orbits a star once every 2.99 107 s in a nearly circular orbit of radius 1.42 1011 m. With respect to the star, determine the angular speed of the planet
idetailed and elaborate responses to the following questions.nbsp your response to each should be a minimum of one
A 5.00-kg partridge is suspended from a pear tree by an ideal spring of negligible mass. How much does the spring shorten
A 50 kg bag of sand at 25 C falls 10 m onto the pavement and comes to an abrupt Stop. What is the change in internal energy in the sand
question a small ferryboat is 4.00 m wide and 6.00 m long. when a loaded truck pulls onto it the boat sinks an
The transformer in the power supply for a computer's 500-GB external hard drive changes a 120-V input voltage, what is the current in the primary and secondary when the drive is in operation
A 1000 kg race car makes three and half laps around a circular race track with a 400m radius in 180 sec at a constant speed. determine the car's linear speed
An oscillating block - spring system has a mechanical energy of 1.70 J, and amplitude of 10.0 cm, and a maximum speed of 1.1 m/s. A) Find the spring constant. B)Find the mass of the block. C) Find the frequency of oscillation. (three questions)
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