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A train is rounding a circular curve whose radius is 2.00 102 m. At one instant, the train has an angular acceleration of 1.50 10-3 rad/s2 and an angular speed of 0.0200 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.
A 1.20 kg mass on a horizontal spring oscillates on a frictionless surface with a displacement as a function of time given by x(t) = 0.075cos(4.16t â€" 2.45). Find the total energy of the oscillating spring
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Doppler speed meter operating at exactly 1.02 x 10^5 Hz emits sound waves in the direction of anoncoming baseball. The meter detects the reflected sound waves and measures a beat frequency of .30X10
A small monkey is traveling along a branch, What is the max speed of the monkey during this interval? Show all calculations
If an electron makes a transition from the n = 4 Bohr orbit to the n = 3 orbit, determine the wavelength of the photon created in the process
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if a force of 500n is needed to stretch a spring 2 cm, what force is needed to stretch 5cm
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A train car with mass m1 = 527 kg is moving to the right with a speed of v1 = 8 m/s and collides with a second train car, What is the mass of the second train car
A thin layer of magnesium fluoride (n = 1.38) is used to coat a flint-glass lens (n = 1.61). What atleast thickness should the magnesium fluoride film have if the reflection of 669 nm light is to be suppressed? suppose that the light is incident a..
a copper piece of mass 10g is suspended by a vertical spring. The spring elongates 1 cm over its natural length to keep the piece in equilibrium. Find the elongation of the spring
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