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Two cars are at rest, facing each other, and 200 meters apart.
-If car one accelerates at 6.00m/s^2 up to maximum speed of 30.0m/s and car 2 accelerates at 5.00m/s^2 up to a maximum speed of 35.0 m/s, how long does it take the cars to meet?
A 7.01- g bullet is moving at 563.00 m/s as it leaves the 0.58- m-long barrel of a rifle. What is the average force on the bullet as it moves down the barrel
What is the frequency of the note played by this pipe.
A bird stands on an electric transmission line carrying 1200 A. of current. The line has 6.0E-05 ohm resistance per meter, What voltage does the bird feel
Conservation of Energy A 100kg skier at the top of a 2km high mountain tucks the whole thing but only gets a final speed of 50m/s
A thin film of oil (n = 1.10) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film?
A step-down transformer is used for recharging the batteries of portable devices. The turns ratio N2/N1 for a particular transformer used in a CD player is 7:72. find rms output voltage of the transformer
Suppose a 65 kg person stands at the edge of a 6.5 m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1850 kg m2. Calculate the angular velocity of the turntable
A series ac circuit is shown. The inductor has a reactance of 80 Omega and an inductance of 200 mH. A 90- Omega resistor and a capacitor whose reactance is 130 Omega , are also in circuit. The rms current in the circuit is 1.3A. What is the phase ..
A 1110 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960 N crate hangs from far end of beam.
A point charge q1 = -2.3 x 10^ -6 C is located at the origin of a co-ordinate system. Another point charge q2 = 6.3 x 10^-6 C is located along the x-axis at a distance x2 = 6.1 cm from q1. 1) What is F12,x, the value of the x-component of the forc..
A firefighter at a distance d from a burning building directs a stream of water from a fire hose at angle θi above the horizontal as shown in Figure. If the initial speed of the stream is vi. At what height h does the water strike the building?
A very long, hollow cylinder (radius 4.7cm) is formed by rolling up a thin sheet of copper, Use Ampère's law to find the magnetic field outside the cylinder at a distance 6.8cm from the axis
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