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Ball A is moving with a velocity of 4 m/s and is about to collide with ball B which is stationary. Both balls have a mass of 1.5kg. A 4 m/s towards B.After the collision both balls move to the right but the velocity of A is now 1 m/s
Speedboat A negotiates a curve whose radius is 118 m. Speedboat B negotiates a curve whose radius is 270 m. Each boat experiences the equivalent centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
How many transitions involving the hydrogen energy levels (solid lines) shown in the diagram correspond to photons of visible light? How many transitions involving the hydrogen energy levels shown correspond to photons of infrared light?
An aluminum baseball bat has a length of 0.81 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.
A simple pendulum of length 2.00 m and mass 0.425 kg has a spring of force constant 88.0 n/m attached a distance h = 1.2 m from the point of suspension. determine the period of small oscillation.
Lead shielding. When gamma rays are incident on matter, Determine the "half-thickness" for lead, that is, the thickness of lead that would absorb half the incident gamma rays
A 13 g bullet traveling 235 m/s penetratesa 2.0 kg block of wood and emerges cleanly at 174 m/s. how fast does it move after the bullet emerges
A sphere of radius a has a radial polarization given by P = \(\alpha r^{n} \) ^r (r_hat) , where \(\alpha\) and n are constants and n is greater than or equal to 0. Find the bound volume and surface charge densities. Find E inside and outside th..
How much kinetic energy did she have at takeoff? What was her speed? How much kinetic energy will she have as she splashes into the ocean
A hairpin configuration is formed of two semiinfinite straight wires that are 3.42 cm apart and joined by a semicircular piece of wire (whose radius must be 1.71 cm, Find the magnetic field at the origin of the coordinate system
A car travels at a constant speed around a circular track whoseradius is 2.5 km. The car goes once aroundthe track in 290 s. What is the magnitude of the centripetal acceleration of the car?
A neutron decays into a proton, and an electron. The neutron was initially at rest. What is the direction and speed of the proton
a force of magnitude 7.50 N pushes three boxes with masses m1 = 1.30 kg, m2 = 2.80 kg, and m3 = 5.30 kg. Find the magnitude of the contact force between boxes 1 and 2
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