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A train is rounding a circular curve whose radius is 2.00 multiply.gif 102 m. At one instant, the train has an angular acceleration of 1.50 multiply.gif 10-3 rad/s2 and an angular speed of 0.0500 rad/s.
(a) Find the magnitude of the total acceleration (centripetal plus tangential) of the train.
(b) Determine the angle (in degrees) of the total acceleration relative to the radial direction.
Electrons in a photoelectric effect experiment emerge from an aluminum surface with a max kinetic energy of 1.30 eV. What is the wavelength of the light
The temperature of the surface of a certain star is 7500 K. Most hydrogen atoms at surface of the star are in the electronic ground state. What is the approximate fraction of hydrogen atoms that are in the first excited state (and therefore could ..
A 200-kg crate is pushed horizontally with a force of 715 N. If the coefficient of friction is 0.20, compute the acceleration of the crate.
A 2 kg gun imparts a speed of 500 m/s to a 25 g bullet. what average force is exerted on the shooter's shoulder
You are using a standard microscope with a 0.10NA 4x objective and switch to a 0.65NA 40x objective. What are the acceptance angles for each
Consider two simple pendulums p and q of equal length l and mass m1 and m2 respectively. assume the bobs of the pendulum are connected to each other by a weightless spring of force constant k such that in the equilibrium position,the spring is uns..
Two cylindrical bars, each with diameter of 2.50 cm, are welded together end-to-end. One of the original bars is copper and is 0.360 m long, What is the resistance between the ends of the welded bar at 20 oC
A particle leaves the origin with an initial velocity=(3.76i)m/s and a constant acceleration =(-1.43i-2.69j) m/s^2. find velocity and position vector of particle
The speaker coil consists of 100 turns of wire, 2cm in diameter. The current in the speaker will be 1.6 A when the force on the speaker coil is 14.8 N. What strength magnetic field will give this force.
what is the minimum coefficient of static friction required between tires and race track if the car is to stay on the track at a speed of 130m/s.
A man in a maze makes three consecutive displacements. His first displacement is 6.40 m westward, Find the magnitude and direction of his third displacement
The He-Ne laser shines through a slit in the diffraction plate that is 50 cm from the screen. What fringe spacing would you expect for slits E and F if the stated slit spacing is correct? What difference must there be between the patters produced ..
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