16. A roller-coaster car (Fig. P6.16) has a mass of 500 kg whenfully loaded with passengers. The path of the coaster fromits initial point shown in the figure to point involvesonly up-and-down motion (as seen by the riders), with nomotion to the left or right. (a) If the vehicle has a speedof 20.0 m/s at point A, what is the force exerted by thetrack on the car at this point? (b) What is the maximumB12Figure P6.16 Problems 16 and 38 speed the vehicle can have at point and sti remain onthe track? Assume the roller-coaster tracks at points A andBare parts of vertical circles of radius r15.0 m, respectively10.0 m and

(a)Consider point A. The force due to gravity (weight) acts in the downward direction and normal…

Answered: 16. A roller-coaster car (Fig. P6.16)…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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the ABC lift is at rest. You want to estimate the momentum that ABC exerts in C if the weight of A is 220 kg. AB is 9.9 m and weighs 400 kg, BC is 2.2 m and weighs 150 kg. Approximate AB and BC as evenly thick everywhere and homogeneous. Point A is 11 m above C in height and B is 1.65 m above C in height.A. What is the moment of force that ABC exerts in C if positive value is clockwise in the image? B. If AB instead weighs 150 kg and BC weighs 400 kg, but all other quantities are the same, calculate the torque in C.What is the moment of force that ABC exerts in C with these masses, if positive value is clockwise in the image?
Block A (m = 5 kg), seen in the figure, sits on a smooth surface and is attached by a slender rod to a ball-and-socket joint at B. If the moment and force shown are simultaneously applied to the block, what will the speed of the block be after 4 seconds (starting from rest)?
Q2/ During the 2007 French Open, Venus Williams hit the fastest recorded serve in a premier women’s match, reaching a speed of 58 m/s. What is the average force exerted on the 0.057 kg tennis ball by Venus Williams’ racquet, assuming that the ball’s speed just after impact is 58 m/s, that the initial horizontal component of the velocity before impact is negligible, and that the ball remained in contact with the racquet for 5 ms?
Topic: Impulse and Momentum Sand drops at a rate of 2000 kg/min from the bottom of a hopper onto a belt conveyer moving horizontally at 250 m/min. Determine the force needed to drive the conveyer, neglecting friction.
The figure depicts two pucks on a frictionless table. Puck 2 is four times as massive as puck 1. Starting from rest, the pucks are pushed by two equal forces. 1-Which pucks will have the grater kinetic energy upon reaching the finish line? 2- Which puck will reach the finish time first ?
Consider an airplane with a jet engine attached to the tail section that expels combustion gases at a rate of 18 kg/s with a velocity of V = 300 m/s relative to the plane (Fig. 2). During landing, a thrust reverser (which serves as a brake for the aircraft and facilitates landing on a short runway) is lowered in the path of the exhaust jet, which deflects the exhaust from rearward to 1500. Determine (a) The thrust (forward force) that the engine produces prior to the insertion of the thrust reverser. (b) The braking force produced after the thrust reverser is deployed.
A crate with a mass of 155 kg starting from rest, slides down a ramp making an angle of 32 degrees with respect to horizontal. The ramp is 6 meters long. A constant frictional force of 200 N acts throughout the motion and a force F is being applied by a rope as shown to prevent the block from sliding too fast. Suppose that while traveling at v=0.1 m/s down the ramp, at d=4meters from the end of the ramp, the rope breaks, Use the work-kinetic energy theorem to calculate the speed, in m/s, of the crate when it touches the bottom of the ramp.
Please do this specific question with these specific data as many have post it with different data! The ABC lift is at rest. You want to estimate the momentum that ABC exerts in C if the weight of A is 105 kg. AB is 12.15 m and weighs 400 kg, BC is 2.7 m and weighs 150 kg. Approximate AB and BC as evenly thick everywhere and homogeneous. Point A is 13.5 m above C in height and B is 2,025 m above C in height. A) What is the moment of force that ABC exerts in C if positive value is counterclockwise in the image? B) If AB instead weighs 150 kg and BC weighs 400 kg, but all other quantities are the same, calculate the torque in C.What is the moment of force that ABC exerts in C with these masses, if positive value is counterclockwise in the picture?
Bicycle wheels are manufactured having thin rims and tires of total mass D per unit length, and the spokes and axle may be ignored. Find the angular momentum of one bicycle wheel of radius r when the bicycle is traveling at velocity v, and hence comment upon whether you would prefer large wheels or small wheels to make a bicycle easiest to balance when riding it.
An empty freight car with a mass of 10,000 kg rolls at 5 m/s along a level track and collides with a loaded car with a mass of 20,000 kg, standing at rest with brakes released. Friction can be neglected. If the cars couple together, find their speed after the collision. a. Find the decrease in kinetic energy as a result of the collision. b. With what speed should the loaded car be rolling towards the empty car for both to be brought to rest by the collision? Please show the given, formula, figure, and free body diagram.
3kg ball connected to horizontal AB with cable. AB rotates with constant angular velocity w about vertical axis. if angle of cable with vertical is theta= 30 degree, find angular velocity and tension of the cable.
A box of mass 80 kg is moving at a speed of 10 m/s on a ropeway. If the box is 40 m above the ground level, estimate the potential energy and kinetic energy of the box.

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