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The center of mass of a proton with mass 1.673·10-27 kg and alpha particle with mass 6.645·10-27 kg is moving with a speed of 5.332×105 m/s. What is the speed of the proton in the laboratory frame where the alpha particle is at rest?
An iron ball hangs from a 21.5-m steel cable and is used in the demolition of a building at a location where the acceleration due to gravity is 9.78 m/s2. find the maximum speed of the ball during its swing
A physics lecture room has a volume of 251m^3. Calculate the mass of the air in the room
Water flows at 5.0;{rm L}/{rm s} through a horizontal pipe that narrows smoothly from 10 cm diameter to 5.0 cm diameter. A pressure gauge in the narrow section reads 50 kPa. What does the other pressure gauge read.
The magnitudes of the four displacement vectors shown in the drawing are A = 15.0 m at an angle of 20, B = 11.0 m at an angle of 90, C = 12.0 m at an angle of 35, and D = 17.0 m at an angle of 90. Determine the directional angle for the resultant tha..
The wavelength of characteristic x-rays in the K? line from a particular source is 0.07970 nm. Determine the material in the target
Electrical wire with a diameter of 0.77 cm is wound on a spool with a radius of26 cm and a height of 28 cm. What is the length of this wound wire
a bullet of mass 50 g traveling at 400 m/s due north strikes a rock of mass 500 g at rest and ricochets off the rock going due east. How much energy was lost in the collision
An X-ray photon scatters from a free electron at rest at an angle of 175%u2218 relative to the incident direction, Determine the energy of the incident photon
consider the case of a wooden block moving along a horizontal track, how much is the change in mechanical energy
A proton beam in an accelerator carries a current of 105 µA. If the beam is incident on a target, how many protons strike the target in a period of 29.0 s
You want to shoot a 19cm long arrow parallel to this axle and through the wheel without hitting any of spokes. Suppose that the arrow and the spokes are very thin.
A 70 kg mountain climber dangling in a crevasse stretches a 50-m-long, 1.0-cm-diameter rope by 8.0 cm. What is Young's modulus for the rope
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