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Two cars suffer head-on collision with each other. What is conserved in the collision?a. Mechanical energy & momentumb. Momentumc. Kinetic energy
d. Neither mechanical energy nor momentum is covered
A system does 4.3 x10^4 J of work, and 7.7 x10^4 J of heat flows into the system during the process
A block of mass m = 2.10 kg is pushed a distance d = 4.20 m along a frictionless horizontal table by a constant applied force of magnitude F = 16.0 N, Determine the work done on the block by the applied force
The potential difference between two parallel conducting plates in vacuum is 475 V, What is the kinetic energy of the alpha particle when it reaches the other plate
An object moves along the x axis according to the equation x = 3.35t2 ? 2.00t + 3.00, At what time is the object at rest
Two small metallic spheres, each of mass m = 0.45 g, are suspended as pendulums by light strings from a common point, calculate the magnitude of the charge on each sphere
A tennis player hits a ball 2.0 m above the ground. The ball leaves his racquet with a speed of 23.0 m/s at an angle 5.5 degrees above the horizontal. By how much does the ball clear the net
a constant force is applied to an object that causes a certain displacement. if the angle between the force and the displacement is 135 degrees, the work done by the force is
Ignoring the container and the equilibrium vapor pressure of the liquid at 51.5 °C, find out the ratio of the mass of steam to the mass of ice. The specific heat capacity of steam is 2020 J/(kg C°).
A diamond has a mass of 56.6 g and the gold ring it is set in has a mass of 125.6 g. How many carbon atoms are there compared to gold atoms
A string with a length of 0.7 m is fixed at both ends. find the frequency associated with this longest wavelength
a thin double convex lens is to focus the image of an object onto a screen so that the image is life sized. how far is the screen from the object
Unpolarized light of intensity I0 is incident on three polarizing filters. What light intensity emerges from the third filter
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