A 2,200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.60 m before coming into contact with the top of the beam, and it drives the beam 15.0 cm farther into theground as it comes to rest. Using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest.588925.42magnitude Write an expression for the work done by all of the forces acting on the beam as it moves into the ground and relate that work to the change in energy of the pile driver in order to find theforce that the beam exerts on the pile driver. N

Given,Mass of the pile driver, m = 2200 kgthe driver falls, d = 4.60 m (before coming to…

Answered: A 2,200-kg pile driver is used to drive…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A 5.40 kg object falls freely (ignore air resistance), after being dropped from rest. Determine the initial kinetic energy (in J), the final kinetic energy (in J), and the change in kinetic energy (in J) for the following. (a) the first meter of the fall initial kinetic energy J final kinetic energy J change in kinetic energy J (b) the second meter of the fall initial kinetic energy J final kinetic energy J change in kinetic energy J
7. (Variation on 6411 #5 p. 340) A chain hangs over a pulley from the top of a building 200 feet tall. The chain is 300 feet long, so initially 100 feet of chain lies on the ground. The chain weighs 3/2 pounds per foot. How much work is required to roll up all of the chain to the top of the building?
The only force acting on a 2.0 kg canister that is moving in an xy plane has a magnitude of 5.7 N. The canister initially has a velocity of 4.5 m/s in the positive x direction, and some time later has a velocity of 4.8 m/s in the positive y direction. How much work is done on the canister by the 5.7 N force during this time? Number i Units
Two 37.0-lbm twins are playing in their backyard. One toddler is running full speed at 5.5 mph and his path will take him directly into a brick wall. His sister has climbed a 3.5-ft ladder and is perched precariously atop it. Calculate the kinetic and potential energies of the two twins with respect to their stationary destinations (the wall and the ground). Boy Girl i KE (lbf.ft) PE (lbf.ft) If potential energy is completely converted to kinetic energy during the girl's fall, how fast will she be travelling upon impact? mph
As shown in the figure below, three blocks with masses m₁ = 4.8 kg, m2 = 14 kg, and m3 = 18 kg, respectively, are attached by strings over frictionless pulleys. 1711 m2 ms The horizontal surface exerts a 32 N force of friction on m2. If the system is released from rest, use energy concepts to find the speed (in m/s) of m3 after it moves down 3.0 m. m/s
? V m In the above image we see a 3.43 kg box that is moving to the right at 19.5 m/s. The box hits into a rough patch that applies a frictional force of 277 Newtons until the box comes to a stop. time K.E. E.P.E. Joules G.P.E. M.E Initial Joules Joules Joules Final Joules Joules Joules Joules How much work was done on the box by friction? Joules How far would the box travel before coming to a stop? meters
A 5.74 kg object falls freely (ignore air resistance), after being dropped from rest. Determine the initial kinetic energy (in J), the final kinetic energy (in J), and the change in kinetic energy (in J) for the following. (a) the first meter of the fall initial kinetic energy final kinetic energy change in kinetic energy (b) the second meter of the fall initial kinetic energy final kinetic energy change in kinetic energy J J J J J
A 18 g plastic ball is moving to the left at 27 m/s . How much work must be done on the ball to cause it to move to the right at 27 m/s ? Express your answer using two significant figures.
Q12. The two tugboats each exert a constant force F = 20 N on the ship as shown in FigureQ12 These forces are always directed perpendicular to the ship's centerline. If the ship has amass m and a radius of gyration about its center of mass G of kG, determine the work done ofthe ship after it turns 80°. The ship is originally at rest. Where d = 6 m.
Situation 02. A crate has a mass of 120kg and the coefficient of static and kinetic friction is 0.60 and 0.50, respectively. The crate starts from rest and the motor exerts a tension T= 1220 + 200t (N). If the elevation of the dock is 30 degrees from the horizontal, a. What is the velocity of the crate after 1sec? b. Compute the power transmitted after 1sec.
A 2,300-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 3.00 m before coming into contact with the top of the beam, and it drives the beam 14.2 cm farther into the ground as it comes to rest. Using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest. magnitude ---Select--- + direction
An electric winch causes an elevator to move between floors of a ten-story building. The mass of the elevator with a maximum load of passengers is at most 500. kg. The elevator moves a speed of 0.304 m/s taking a time of 115.s to travel the distance of 35.0 m. What is the minimum power rating this winch would have? Select one: a. b. C. d. 1.49 x 10³ W 1.30 x 10¹ W 4.90 x 10³ W 1.72 x 105 W

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