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Suppose that you wish to fabricate a uniform wire out of 0.800 g of copper. Assume the wire has a resistance R = 0.300 , and all of the copper is used.
(a) What will be the length of the wire?
(b) What will be the diameter of the wire?
An object is placed 17.4 cm to the left of a thin diverging lens that has focal length ?11.7 cm. What is the distance between the object and the image
An airplane is flying with a velocity of 86.0 at an angle of 23.0 above the horizontal. When the plane is a distance 114 straight above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Suppose a child drives a bumper car head on into the side rail, which exerts a force of 4000 N on the car for 0.200 s. What impulse is imparted by this force
A disc spins at 20 [rpm]. Calculate the period of rotation (which is the time interval required for 1 revolution)
An 8.50kg point mass and a 15.0kg point mass are held in place 50.0 cm apart. Find the direction of the acceleration of the particle
A glass flask has a volume of 900 ml at a temperature of 20° C. The flask contains 895 ml of mercury at an equilibrium temperature of 20°C. The temperature is raised until the mercury reaches the 900 ml reference mark. The coefficients of volume expa..
a diffraction pattern is formed on a screen 110cm away from a 0.500mm wide slit. monochromatic 546.1 nm light is used.
Two circular disks, each of area 1.90E-4 m2, are situated parallel to one another. The distance between them is small compared with their radii, Compute the force exerted by one on the other
a picture window has dimensions of 1.40m x 2.50m and is made of glass 5.20mm thick. on a winter day the outside
How much energy does a 100 watt light bulb use in 1 hour? Express your answer in joules Also find how much money it costs if electricity sells for 10 cents per kW-h.
A steam turbine is used to test a well insulated air compressor. The inlet temperature and pressure of the turbine are 5 MPa and 400 C. Calculate the steam mass flow rate through the turbine
A basketball player makes a jump shot. The 0.60 kg ball is released at a height of 2.0 m above the floor with a speed of 7.2 m/s. What is the work done on the ball by air resistance
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