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Three identical train cars, coupled together, are rolling eastat 2 m/s. A fourth car traveling east at 4 m/s catchesup with the three and couples to make a four-car train. A momentlater, the train cars hit a fifth car that was at rest on thetracks, and it couples to make a five-car train.
A. What is the speed of the five-car train?
calculate the force of kinetic energy acting on Tom. calculate the distance from the edge of the table where Tom hits the floor.
After hitting a long fly ball that goes over the rightfielder's head and lands in the outfield, the batter decides tokeep going past second base and try for third base. how much workwas done on the player by friction
A jet of water squirts out horizontally from a hole near the bottom of the tank, what is the height h of the water level in the tank
i magnetic field lines never have a beginning or an end. use this to explain why it is reasonable for the field of a
19 g of helium gas are placed in a cylinder with a movable piston. The gas is compressed very slowly from a state of ( p1 = 5atm; v1 = 32 10^3m3) to a state of (p2 = 17atm; v2 = 9 10^3m3 ). The compression is such that the system moves along a str..
A 0.30 kg object is attached to a spring with force constant 167 N/m so that the object is allowed to move on a horizontal frictionless surface. Find the force on the object
Describe what quantity shows the measurements are consistent with a large amount of dark matter:
what is the difference in blood pressure (mm-Hg) between the top of the head and bottom of the feet of a 1.84m tall person standing vertically
Three solid spheres of lead, each of mass 9.8 kg, are located at three corners of a square with side lengths of 50 cm. determine the magnitude and direction of the acceleration of the smaller object when it is released
Suppose that an electron is trapped within a small region and the uncertainty in its position is 7.20 multiply.gif 10-15 m, find the minimum uncertainty in the electron's momentum
A 0.5530-kg ice cube at -12.40°C is placed inside a chamber of steam at 365.0°C. calculate the final temperature of the puddle
A small object with a mass of one gram carries a charge of 1µC and is suspended by a thread between the vertical plates of a parallel-plate capacitor submitted to a voltage of 1 kilo volts
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