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To avoid a rear-end collision with a slow moving vehicle ahead, you step on the accelerator and increase your angular speed to 13.4 x 10-2 rads/s in a time of 8 s. What is the tangential acceleration of the car? Sketch the problem showing all the relevant vector components.
A 50 kg projectile is fired over level land at an angle of 30 degrees above the horizontal with a muzzle velocity of 210 m/s. At the highest point in its trajectory it explodes into two fragments, one of twice as much mass as the other. The less m..
This isotope can also decay by ?-emission. What is the energy release in this case? What is the maximum kinetic energy of the emitted ?-particle
A wave pulse travels down a slinky. The mass of the slinky is m = 0.93 kg and is initially stretched to a length L = 6.8 m. What is the wavelength of the wave pulse
suppose that E = 50.0V , R = 210? and L = 0.140H . With switch S2 open, switch S1 is left closed until a constant current is established. Which point is at a higher potential
A hollow, spherical shell with mass 2.40 kg rolls without slipping down a slope angled at 39.0 degrees. Find the friction force
A 0.17kg ball is thrown vertically upwards with a velocity of 34m/s at the edge of a 22m cliff. Neglect air resistance. calculate The height to whcih the ball rises above the cliff
The top of the hill is horizontal and 70 m higher than its base. What minimum speed must the block have at the base of the hill in order for it to pass over the pit at the far side of the hill
A 0.250 kg block is placed on a vertical spring (k = 5.0 x 10^3 N/m) and pushed downward, compressing the spring 0.10 m. As the block is free, it leaves the spring and continues to travel upward. What height above the point of release would the bl..
For the typical volume charge density I? = -1.1 A? 10-3 C/m3, what is the difference in the electric potential between the pipe's center and its inside wall
When the displacement of a mass on a spring is 0.445 of the amplitude of its oscillation, what fraction of the mass's energy is kinetic energy
The magnitude of the air resistance that opposes its downward motion is 258 N. Explain what is the magnitude of the acceleration of the rock?
An armadillo and Earth attract each other gravitationally. Which experiences the greater gravitational force, or do they experience the same force magnitude?
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