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A 19g ball of clay is shot to the right (in the positive -direction) at 21m/s toward a 38g ball of clay at rest. The two balls of clay collide and stick together. Call this reference frame S. 1. What is the total momentum in frame S? 2. What is the velocity V of a reference frame S' in which the total momentum is zero? 3. After the collision, what is the velocity in frame S' of the resulting 57g ball of clay? Answering this question requires only thought, no calculations. 4. Use your answer to part C and the Galilean transformation of velocity to find the post-collision velocity of the 57g ball of clay in reference frame S.
You cool a 130.0g slug of red-hot iron (temperature 745 ?C) by dropping it into an insulated cup of negligible mass containing 70.0g of water at 20.0 ?C. what is the final mass of the iron and the remaining water
As a tennis ball is struck, it departs from the racket horizontally with a speed of 27.3 m/s. How far above the court is the tennis ball
A parachutist with a camera descends in free fall at a speed of 11 m/s. The parachutist releases the camera at an altitude of 100 m. How long does it take the camera to reach the ground
a 900 kg crate is on a rough surface inclined at 30 degrees. a constant force p7200n is applied horizontally to the
100 g of a certain radioactive sample are sealed into a container. after 10 years, only 25 g remain. what is the half life of the sample
A diffraction grating is 25.0 mm wide and has 8,000 rulings (lines). Light of wavelength 656 nm is incident on the grating, and a diffraction pattern is seen on a screen a short distance away. a) What is the distance between adjacent rulings of the g..
a two-resistor voltage divider employing a 3.3-kq and a 6.8-kq resistor is connected to a 9-v ground-referenced power
Two forces FA and FB are applied to an object whose mass is 5.43 kg. The larger force is FA. When both forces point due east, the object's acceleration has the magnitude of 1.40 m/s2. Though, as FA points due east and FB points due west, the accelera..
A new binaryasteroid is discovered in our solar system with an orbital periodaround the sun of 5 yrs. What is the total mass of the binary asteroid
A 2.5-kg particle oscillates on a spring with spring constant 85 N/m. At time t = 1.0s, What are the maximum speed and acceleration of the particle
A horizontal piston-cylinder assembly contains 0.25 kg of an ideal gas (M=28.97 kg/kmol) of constant heat capacity (Cp=1 kj/kg*k and Cv=0.72 kj/kg*k), How much heat is transferred during this process
1 explain why almost all naturally-occurring isotopes have a greater number of neutrons than protons.2 when two small
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