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In one dimension, an inertial ball of mass 1 kg has a speed of 1.50 m/s to the right and another inertial ball of mass 3 kg has a speed of 2.00 m/s to the left. After 10 seconds, they meet in a head-on inelastic collision. The collision is not perfectly inelastic, meaning that the balls lose kinetic energy, but do not stick together after the collision. Find the velocity of the center of mass after the collision in m/s (- for left moving and + for right moving)
9.00g of aluminium at 200 degree celsius and 21.0g of copper are dropped 53.0cm^3 of ethyl alcohol at 15 degrees celsius. What is the initial temperature of the copper
When this capacitor is discharged through the strobe lamp, it transfers all its energy in 1.0x10-4 s. Find the power delivered to the lamp
An object moves with constant acceleration 3.30 m/s2 and over a time interval reaches a final velocity of 10.4 m/s. If its initial velocity is 5.2 m/s, what is its displacement during the time interval
6 - two equal masses of charge 36 nC each are suspended at the end of two 1-m strings of negligible mass, The ropes make and angle of 5 with respect to each other
Find out the angle that the total acceleration of the car. the car at the moment the car completes the circle.
A massless rod of length 1.00 m has a 2.00-kg mass attached to one end and a 3.00-kg mass attached to the other. What is the angular speed of this system
The light isotope of lithium, 5Li is unstable and breaks up spontaneously into a proton (hydrogen nucleus) and an particle (helium nuclus). In this process, a total energy of 2.75 10-13 J is released, appearing as the kinetic energy of the two rea..
A puck with mass m = 0.14kg slides along a frictionless horizontal surface at v = 5.9 m/s. It hits and sticks to the free end of a spring with k = 15 N/m. Find the period of the subsequent simple harmonic motion
What stage of the scientific method would someone be at if they make a prediction that drinking alcohol will make people more violent throughout a sporting event.
A certain elevator cab has a total run of 201 m and a maximum speed is 315 m/min, How far does the cab move while accelerating to full speed from rest
An oil layer floats on 85 cm of water in a tank. The absolute pressure at the bottom of the tank is 112.0 kPa. How thick is the oil
A telescope has an angular magnification of -30× and a barrel 1.02m long. What is the focal length of the eyepiece
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