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A billiard ball of mass 0.649 kg and speed 0.479 m/s makes a head-on elastic collision with an identical billiard ball at rest. What is the kinetic energy of the second ball after the collision? Answer in units of J.
During an all-night cram session, a student heats up a 0.836 liter (0.836 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. How much coffee (in cubic meters) has spilled out of the beaker
A student throws a set of keys 4.4m up to friend in window. the friend catches the keys 1.7s later. what is the intial velocity
A long freight train has a mass of 5×(10^6) kg and is initially traveling at 25 m/s. Find the time it takes the train to stop
Suppose a planet is discovered orbiting a distant star with 11 times the mass of the Earth and 1/11 its radius. How does the escape speed on this planet compare with that of the Earth
A box of mass 5 Kg is connected by a massless rope to a 10.0 Kg. A force of 60.0 N is applied to the 5 Kg. What is the tension in the rope connecting the 2 masses
A toy car with a mass of 120 g moves to the right with a speed of 0.43 m/s. What is the change in speed of the car
Angry Bird is launched horizontally with a slingshot with a speed of 6.07 m/s. how far away will the target need to be
An electron drops from the L shell to the K shell and givesoff an X-ray with a wavelength of 0.0200 nm. What is the atomic number of this atom
The height of the lower part of the container is 2.5-m and the neck contains a column of water 8.50-m high. The total volume of the column of water in the neck is 0.200 m^3. What is the magnitude of the force exerted by the water on the bottom of ..
A 1.5-cm--tall object is 28cm to the left of a lens with a focal length of 14cm. Calculate the distance between the image and the second lens
Two 3 cm long parallel wires in a handheld calculator are 1 mm apart. The currents are in the same direction and have values 0.5 µA and 2.2 µA, respectively
The angular resolution of a radio telescope is to be 0.100 degrees when the incident wave has a wavelength of 3.00mm. What minimum diameter is required for the telescope's receiving dish
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