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A train is rounding a circular curve whose radius is 200 m. At one instant, the train has an angular acceleration of .0015 rad/s2 and an angular speed of 0.0300 rad/s.
(a) Find the magnitude of the total acceleration (centripetal plus tangential) of the train.
(b) Determine the angle of the total acceleration relative to the radial direction.
The dipole is held perpendicular to a uniform electric field with field strength 980V/m , then released. What is the dipole's angular velocity at the instant it is aligned with the electric field?
Consider the following two-step process. Heat is allowed to flow out of an ideal gas at constant volume so that its pressure drops from P1 = 2.5atm to P2 = 1.3atm, Calculate the total heat flow into or out of the gas
Find the horizontal component of the force exerted on the rod by the hinge and Find the vertical component of the force exerted on the rod by the hinge.
What is the radius of curvature of the mirror. How far would it coast before starting to roll back down.
An object with a net charge of 44 µC is placed in a uniform electric ?eld of 554 N/C, directed vertically. The acceleration of gravity is 9.81 m/s^2. What is the mass of this object if it ?oats in this electric ?eld?
A wheel free to rotate about its axis that is not frictionless is initially at rest. A constant external torque of +60 N·m is applied to the wheel for 18 s, Find the moment of inertia of the wheel.
Find the value of Q that would make the thickness of the equivalent body 0.1 times its length (i.e the value of y at the dividing streamline at x=0 is 1/10 of the x coordinate at the aft stagnation point.).
Cat rides a merry-go-round turning counter clock wise at a uniform speed. There, the cat is under uniform circular motion. what is the time taken by the cat to complete a full circle
The length of a simple pendulum is 0.73m, the pendulum bob has a mass of 307 grams, and it is released at an angle of 12° to the vertical. With what frequency does it vibrate? Assume SHM. What is the pendulum bob's speed while it passes through th..
A heater coil connected to a 220V ac line has a resistance of 42.1Ohm. What is the average power used, What is the maximum value of the instantaneous power
Imagine that in a certain proton accelerator, roughly 1011 protons at a time go around a ring having a radius of 4.0 km, What is the current flowing in the ring, in amperes
A smWhat is the speed of the large cart after the collision?all, 100g cart is moving at 1.20m/s on an air track when it collides with a larger, What is the speed of the large cart after the collision
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