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A helicopter propeller blade starts from rest and experiences aconstant angular acceleration of 18.0rad/s2. Find the speed of a point on the blade3.40 m from the axis of rotation when theblade has completed 13 revolutions.
A particle of mass 2 units moves along the x-axis attracted toward the origin by the force whose magnitude is numerically equal to 8x. find the differential equation describing the motion
A father racing his son has 1/4 the kinetic energy of the son, who has 1/3 the mass of the father. The father speeds up by 1.5 m/s and then has the similar kinetic energy as the son.
For a rough calculation, we shall assume that the doctor is 50 from the baby (she is likely to be even closer at delivery), has a mass of 75.00, and can be modelled as a uniform sphere.
a 0.0250 kg bullet moving horizontally at 450 ms embeds itself into an initially stationary 0.500 kg block. the
A movie star catches a reporter shooting pictures of her at home. She claims the reporter was trespassing. To prove her point, shegives as evidence the film she seized. Her 1.77 m height is 8.29 mm highon the film, and the focal length of the came..
A sound pulse has a power of 893.1 watts. It is radiating outwards from a point and at the time of observation is a radius of 7861.6 m from that point
The average speed of blood in the aorta (the main blood vesselcoming from the heart) is 0.300 m/s. The average radius of theaorta is 1.0 cm. The aorta branches into 2×109 capillaries(very small blood vessels) which each have an average radius of 6..
The drawing shows two copper [? = 17 × 10-6 (C°)-1] rods of different lengths mounted on one side of an immovable wall. What change in the gap occurs when the rods are heated to 77 °C
A long solenoid has 1400 turns per meter of length, and it carries a current of 3.5 A. Find the torque exerted on the coil
What key considerations are involved in setting up a computer network for an integrated health care system and how do integrated systems affect the installation of networks.
A bird feeder in the shape of a 50-cm-diameter disk of mass 340 g, suspended by a wire with torsional constant 5.00N?m/rad, What is the mass of the birds, assuming they have the same mass
A uniform electric field exists in the region between two oppositely charged parallel plates 1.67 cm apart. A proton is released from rest at the surface of the positively charged plate and strikes the surface of the opposite plate in a time inter..
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