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A pendulum is made of a long narrow stainless steel rod and has aperiod of T seconds at -200.0 degrees C. If the temperatureincreases to +400.0 degrees C, what is the new period? (The linearexpansion coefficient of the stainless steel is 1.600×10^-5K^-1).
Sound enters the ear, travels through the auditory canal, and reaches the eardrum. The auditory canal is approximately a tube open at only one end. The other end is closed by the eardrum. A typical length for the auditory canal in an adult is abou..
A setup similar to the one shown in the figure below is often used in hospitals to support and apply a horizontal traction force to an injured leg. (Let m = 6.05 kg and ? = 81.0°.) What is the traction force exerted to the right on the leg?
A student sitting on a frictionless rotating stool has rotational inertia 0.92kg?m2 about a vertical axis through her center of mass, Ignoring her arm mass, what's her new rotational velocity
a light ra reflects from a mirror hanging vertically on a wall in your bathroom, and the ray strikes a particular point on the opposite wall. what is the length L of the room
Common sports injuries result in the tearing of tendons and ligaments due to over stretching. how far must it be stretched from its relaxed length to tear it
You launch a rock from the origin (0,0) with an initial speed of 50 m/s at an angle of ?o=30° from horizontal. How far horizontally will the rock travel before it lands
Transmission electron microscopes that use high-energy electrons are employed in many areas including the study of biology samples (like a virus) and nanoscience research and development (allow particles and carbon nanotubes, for example).
question1a student who weighs 490 n is wearing a backpack that weighs 88 n. the student is standing still on level
How much work must be completed to accelerate a baton from rest to an angular speed of 7.79 rad/s about its center? Consider the baton to be a uniform rod of length 0.596m and mass 0.495kg.
A square with sides of length L=.1 m has a point charge of 2 microC at each of its four corners. Find the magnitude of the force acting on any one of the charge
A 55-kg vampire and 171-kg werewolf clash during the Feat of Strength part of the annual celebration of Festivus. The werewolf velocity just before the clash is 5 m/s and is directed upwards, while the vampire velocity at the moment of the collisi..
A toriod with a square cross-sectional area A = a x a m2 , has an inner radius R and and outter radius R+a. What are the bound currents in the Toroid
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