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Two ball, of equal masses mA = 40g and mB = 60g, are suspendedas shown. The lighter ball is pulled away to a 60degree anglewith the vertical and released.
(a) What is the velocity of the lighter ball beforeimpact.
(b) What is the velocity of each ball after the elastic collision?
(c) What will be the maximum height of each ball afterthe elastic collision?
Calculate the angular momentum of a solid uniform sphere with a radius of 0.150m and a mass of 15.5kg if it is rotating at 5.85rad/s about an axis through its center.Calculate kinetic energy of a solid uniform sphere with a radius of 0.150m and a mas..
How much time after engine failure will elapse before the rocket comes crashing down to the launch pad?
An engine has a hot-reservoir temperature of 910 K and a cold-reservoir temperature of 530 K. What is the efficiency of the engine
Eris, the largest known dwarf planet in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. Use these numbers to calculate the escape speed from the surface of Eris
An object is placed in front of a converging lens in such a position that the lens (f = 17.0 cm) creates a real image located 27.0 cm from the lens. What is the image distance of this new image
A drinking straw 20 cm long and 3 mm in diameter stands vertically in a cup of juice 8.0cm in diameter. A section of straw 6.5cm long extends above the juice. A child sucks on the straw, and the level of juice in the glass begins dropping at 0.23c..
Suppose that the dipole moment associated with an iron atom of an iron bar is 2.4 x 10-23 J/T. Assume that all the atoms in the bar, which is 6.5 cm long and has a cross-sectional area of 1.1 cm2, have their dipole moments aligned. (a) What is the di..
The plane of a 6.00 cm by 8.00 cm rectangular loop of wire is parallel to a 0.220 T magnetic field, What is the magnetic moment of the loop
Two 2.00 cm X 2.00 cm plates that form a parallel-plate capacitor are charged to ± 0.708 nC. had are the electric field strength inside and the potential difference across the capacitor if the spacing between the plates is (a) 1.00 mm and (b) 2.00 ..
A motor has a single loop inside a magnetic field of magnitude 0.581 T. If the area of the loop is 305.0 cm2, find the maximum angular speed possible for this motor
a massless spring of spring constant 50 N/m is suspended vertically. Set the vertical origin to the natural length of the spring. what are the amplitude and frequency of the oscillations
Light of wavelength 5.30 102 nm passes through a slit of width 0.230 mm. Determine the width of the first-order bright fringe
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