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1. You are at a football game. The football is kicked with an in1. A train started from rest and moved with constant acceleration. At one time it was traveling 30 m/s, and 160 m farther on it was traveling 50 m/s. Calculate (a) the acceleration, (b) the time required to travel the 160 m mentioned, (c) the time required to attain the speed of 30 m/s, and (d) the distance moved from rest to the time the train had a speed of 30 m/s. (e) Graph x versus t and v versus t for the train, from rest.
2. Two subway stops are separated by 1100 m. If a subway train accelerates at +1.2 m/s2 from rest through the first half of the distance and decelerates at -1.2 m/s2 through the second half, what are (a) its travel time and (b) its maximum speed? (c) Graph x, v, and a versus t for the trip. itial velocity of 20.0 m/s at an angle of 35° above the ground. What is the maximum height that the ball achieves ?
An early submersible craft for deep-sea exploration was raised and lowered by a cable from a ship. What was the tension in the cable
Calculate the angle, between 0 degrees and 90 degrees, that the string makes with the pole. Take g = 9.8 m/s2. Find the tension of the string.
A particular organ pipe can be considered to be a pipe 1.2 meters long open at BOTH ends. What wavelength is the fundamental vibration in the pipe
At Water-Country NH there is a ride called the "Double Geronimo" which is described as an "Extreme Body Slide". how fast would the rider be moving at the bottom of the slide
A baseball player hits the ball and it lands in the field seat 10 m above the point, find the c and y components of the initial velocity vector of the baseball
Two bricks are adjacent, and a third brick is positioned symetrically above them. Where is the center of mass of the three bricks
A system consists of 4.0 kg of water at 85 degrees Celsius 35 J of work is done on the system by stirring with a paddle wheel, What is the change in internal energy of the system
For the circuit shown in the figure, calculate the current in the 2.00-Ω resistor and the potential difference between points a and b.
A 38 g bullet is fired with a speed of 180 m/s into a 5 kg sandbag pendulum that is free to swing. To what maximum vertical height will the pendulum rise.
A monatomic ideal gas is held in a thermally insulated container with a volume of 0.1000 m^{3}. The pressure of the gas is 110 kPa, and its temperature is 327 K.
An sub with a mass of 1800 kg is traveling eastbound at 17 m/swhile a compact car with mass of 900 kg is traveling westbound witha speed of 15 m/s the cars collide head-on becoming entangled.
A turtle ambles leisurely-as turtles tend to do-when it moves from a location with position vector r1,x = 1.01 m and r1,y = -2.99 m in a lettuce garden to another location, What are the components and the magnitude of the turtle\'s average velocity
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