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Two masses are placed on an airtrack and given initial velocities towards each other. Mass one has a mass of 280 grams and is initially traveling at velocity 1.5 m/s in the x direction. Mass two has a mass of 510 grams and is initially traveling at velocity -2.5 m/s in the x direction. The two masses collide inelastically.
A/ Calculate the final velocity of the two masses.
B/ Calculate the impulse acting on mass one during the collision.
C/ Calculate the change in kinetic energy for the system during the collision.
In each cycle of its operation, a refrigerator removes 8 J of heat from the inside of the refrigerator and releases 22 J of heat into the room. How much work per cycle is necessary to operate this refrigerator.
After a tornado, a 0.55g straw was found embedded 2.6cm into the trunk of a tree. If the average force exerted on the straw by the tree was 70 N, what was the speed of the straw when it hit the tree.
If the mass of both weights is 175gm, the first mass is located 20 north of east, the second mass is located 20 south of east, and the transducer sensitivity is 0.5volts/Newton, how large a voltage do you expect to measure? Imagine the transducer ..
A bat flying in a cave emits a sound and receives its echo 0.37s later. How far away is the cave wall? (Hint: The sound has to travel to the wall and then back again. Use 340 m/s for the speed of sound.)
A photon with energy E collides with a stationary mass m. What is the mass and speed of this particle
A charge of 2.5 Coulombs is uniformly distributed throughout a nonconduction sphere of radius 0.15 m. calculate the charge density in the sphere
A scaffold of mass 60 kg and length 5.5 m is supported in a horizontal position by a vertical cable at each end. find the tension in the cable closer to the painter
A 0.58 kg toy airplane is suspended from the ceiling by a 1.6 m cord and rotates in a horizontal circle, Find the speed of the plane, Find the tension in the cord
A runner accelerates to a velocity of 5.36 m/s due west in 3 s. His average acceleration is 0.64 m/s2, also directed due west. What was his velocity when he began accelerating
A spherical balloon is partially blown up and its surface area is measured. More air is then added, increasing the volume of the balloon. If the surface area of the balloon expands by a factor of 6.7 during this procedure, by what factor does the ..
You send a beam of light from a material with index of refraction 1.19 into an unkown material. In order to help identify this material, What is the index of refraction of the unknown material
Calculate the focal length required of glasses to be worn, A pair of eyeglasses are designed to allow a person with a near-point distance of 2.52 m to read a road sign at a distance of 25.2 m.
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