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A train slows down as it rounds a sharp horizontal turn, going from 80.0 km/h to 58.0 km/h in the 13.0 s that it takes to round the bend. The radius of the curve is 180 m. Compute the acceleration at the moment the train speed reaches 58.0 km/h. Assume the train continues to slow down at this time at the same rate.
A plane is flying southwest at 155 mi/h and encounters the wind from the west at 45mi/h? what is the planes new velocity with respect to the ground in standard position.
The spacing between the lines in the pure rotational spectrum of 11B-2H (numbers are superscripts) is 3.9214E-11 s^-1, Calculate the bond length of this molecule
A force of 45 N acts on a ball for 0.2 sec If the ball is initially at rest, What is the final momentum of the ball
The ems of an AC circuit has an rms value of 120V. What is the maximum positive emf
An insulating rod of length 14.0 cm is bent into the shape of a semicircle and has a uniform total charge of -7.5 uC, Calculate the magnitude and direction of the electric field at the center of the semicircle arc
A 535 g ball swings in a vertical circle at the end of a 1.4 m-long string. When the ball is at the bottom of the circle, the tension in the string is 22 N. Illustrate what is the speed of the ball at that point?
A bullet is fired through a board, 18.0 cm thick, with its line of motion perpendicular to the face of the board. find the bullet's acceleration as it passes through the board
A 6000 ohm resistor is joined in series with a 70 uF capacitor. what is the capacitive time constant of this combonation
Illustrate what was the magnitude of the centripetal acceleration of the rock when it was on the string? (b) What was its speed when it was on the string?
Two blocks are connected by a cord passing over a small (frictionless) pulley as shown below. The angle ? = 30 degrees, what is the mass, M, of the large block
A helicopter is ascending vertically with the speed of 8 m/s. At a height of 65m above the Earth, a package is dropped from a window.
At what angle should the road bank on the curve so that no frictional force is required by a vehicle travelling around the curve at the speed limit.
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