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Consider a seesaw whose total mass is 10 kg and total length is 3.5 m. Suppose the seesaw is placed off center on the pivot point so that the pivot point is 24 cm from the center of the seesaw (Fig). Two children, weighing 25 kg and 31 kg, respectively, want to balance on the seesaw. They are separated by a distance of 2.80 m. How far from the center will they have to sit if the lighter child sits on the longer part of the seesaw?A) find mass of (lighter child)
B) find mass of (heavier child)
A 6.4g lead bullet traveling at 460m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in te..
What is the rms current in a series RC circuit if R = 5.0k%u03A9 , C = 0.90%u03BCF , and the rms applied voltage is 130V at 69Hz
A garden has a circular path of radius 50 m. You start at the easternmost point on this path, What is the magnitude of your displacement
Suppose the same experiment is run with a different light source. If the first-order maximum is found at 1.90 cm from the centerline, what is the wavelength of the light
A white billiard ball with mass mw = 1.31 kg is moving directly to the right with a speed of v = 2.87 m/s, What is the magnitude of the final total momentum of the system
you decide to determine the depth of a tank of water using the suns light. with the sun overhead the tanks bottom is
The lowest energy possible for a certainparticle in a certain box is 1eV. What are the next two higherenergies the particle can have
An 19.8 g rifle bullet traveling 247 m/s buries itself in a 3.56 kg pendulum hanging on a 2.62 m long string, which makes the pendulum swing upward in an arc. Decide the horizontal component of the pendulum's displacement
A ball of radius 0.200 m rolls with a constant linear speed of 3.60 m/s along a horizontal table. What is the angular displacement of the ball while the ball is in the air
An advertisement shows a 1239 kg car slowly pulling at constant speed a large passenger airplane to demonstrate the power of its newly-designed 79.7-hp (horsepower) engine, How much work is performed by the car on the airplane during this time
Your job is to lift 25 kilogram crates a vertical distance of 0.70 meter from the ground onto the bed of a truck. Determine how many crates would you have to load onto the truck in 1 minute for an average power output of 150 W
A sphere of mass 68 kg is attached to one end of a rope, Find the work done by the force of gravity on the sphere
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