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Question: A 10 kg block is dragged by an unknown force for 10 m along the floor. The coefficient of kinetic friction between the block and the floor is 0.2.
Part A: How much work is done by friction?
I need help to find how much work is done by friction.
a motorist driving a 1000-kg car wishes to increase her speed from 20 ms to 30 ms in 5 s. determine the horsepower
Identical conducting spheres
The earliest capacitors, called "Leyden jars" were made by wrapping conducting metal foil inside and outside glass jars. how tall would the jar have to be to reach a capacitance of 21.0 nF
When a potential difference of 12V is applied to a wire 7.1m long and 0.34mm in diameter the result is an electric current of 2.2A. What is the resistivity of the wire
an object is pulled west along a horizontal frictionless surface with a steady horizontal force of 12.0 n. if the
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A gas, while expanding under isobaric conditions, does 458 J of work. The pressure of the gas is 1.65E+5 Pa, and its initial volume is 1.37E-3 m3. What is the final volume of the gas?
An Ion beam passes during crossed electric and magnetic fields without deflection. The electric field is 2340 N/C and the magnetic field is 0.026 T. When the electric field is turned off, the beam's path takes on a curvature by a radius of 36.1298 mm..
An old-fashioned (vinyl) record rotates at a constant rate of 33 rpm. If the record has a radius of 18 centimeter, determine what is the linear speed of a point on its edge
A railroad car of mass 2.58 104 kg is moving with a speed of 3.88 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
A 12-V battery causes a current of 0.80A through a resistor, How many joules of energy does the battery lose in a minute
One kilomole of an ideal gas undergoes a free expansion, tripling it's volume. What is the change of entropy of the universe
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