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A particle, starting from point A in the drawing(the height at A is 3.00 m), is projected down the curved runway.Upon leaving the runway at point B, the particle is travelingstraight upward and reaches a height of 4.44 above the floor beforefalling back down. Ignoring friction and air resistance, find the speed of the particle at point A.
A bouncy ball is dropped from a heigh h above a floor. If every bounce robs the ball of 6.7% of its kinetic energy just before the bounce, how high will it reach before its eleventh bounce
The electrric field between the plates of a parallel-plate capacitor is horizontal, uniform, and has a magnitude E. What is the magnitude of the electric field
Two identical, small insulating balls are suspended by separate 0.35-m threads that are attached to a common point on the ceiling, Determine the tension in the threads
An object 5cm tall is placed halfway between the focal point and the center of curvature of a concave spherical mirror of radius 30cm. Determine the location and magnification of the image.
The radius of the hydrogen atom is 0.053 nm. What is the frequency of the circular motion of the electron in the hydrogen atom
An astronaut weighs 7*10^2 N on the surface of the earth (M earth=5.98*10^24 kg). What is her weight 7.70*10^6 m above the earth.
A system with m = 0.041 kg , k = 25 N/m and b = 0.33 kg/s is driven by a harmonically varying force of amplitude 4.7 N. Find the amplitude of the steady-state motion
A rotating wheel requires 8.00 s to rotate 28.0 revolutions. calculate the constant angular acceleration of the wheel
You are given a container with 56 g of hydrogen atoms. What is the total charge on the electrons in the container
How much work must be done on the electron to move it to negative plate if it is initially positioned 2.86 mm from the positive plate.
The electron beam inside a television picture tube is 0.300mm in diameter and carries a current of 55.0 uA. What is the current density in the electron beam
A 45.50 cm diameter disk rotates with a steady angular acceleration of 2.00 rad/s2. It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.30° with the positive x-axis at..
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