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Given two identical 3.9 kg masses. The first mass is moving with a velocity v1 immediately before colliding with the second mass, which is suspended by a string of length 0.58 m The two masses are stuck together as a result of the collision. The compound system then swings to the right and rises to the horizontal level.The acceleration of gravity is 9.8 m/s 0.58m 3.9kg 7.8kg 3.9kgv 190? Find the kinetic energy of the compound system immediately after the collision.Answer in units of J.
An infinitely long line of charge has a linear charge density of 5.00×10−12 C/m. A proton is at distance 19.0 cm from the line and is moving directly toward the line with speed 2000 m/s. Explain how close does the proton get to the line of charge?
A 5 kg fish is swimming at a speed of 1ms swallows a 1.00 kg fish swimming toward it at 4 m/s. The speed of the larger fish after lunch is what.
When a 79-m-long metal pipe is heated from 14 °C to 39 °C, it lengthens by 2.56 cm. Determine the linear expansion coefficient
The density of a 5.0-m long rod can be described by the linear density function ?(x) = 125 g/m + 13.3x g/m2. One end of the rod is positioned at x = 0 and the other at x = 5 m
A straight, non conducting plastic wire 7.50cm long carries a charge density of 130nC/m distributed uniformly along its length. It is lying on a horizontal tabletop. Discover the magnitude and direction of the electric field this wire produces at a p..
A system does 4.4 × 104 Joule of work, and 7.9 ×104 Joule of heat flows into the system during the process. Obtain the change in the internal energy of the system
Standing on the surface of a small spherical moon whose radius is 6.30 104 m and whose mass is 8.00 1018 kg, What maximum height above the surface of the moon will the rock reach
A string of mass 2 g and length of 1.0 m has a tension of 15 Npulling it. What is the speed of a wave for this setup
A highway curve of radius 420 is designed for traffic moving at a speed of 100. What is the correct banking angle of the road
Suppose a heat engine has an efficiency of 0.201 and produces 1.09×104 J of work. How much energy is pulled in from the hot reservoir? How much energy is rejected by the engine? (This energy is "exhausted" to the cold reservoir.))
A 50.4-g golf ball is driven from the tee with an initial speed of 40.9 m/s and rises to a height of 25.7 m. determine the kinetic energy of the ball at its highest point
Light inside an optical fiber tube hits the wall between the tube and air and is totally internally reflected. what is the index of refraction of the tube
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