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Two trees have perfectly straight trunks and are both growingperpendicular to the flat horizontal ground beneath them. Thesides of the trunks that face each other are seperated by1.3m. A frisky squirrel makes three jumps in rapidsuccession. First, he leaps from the foot of one tree to aspot that is 1.0m above the ground on the other tree. Then, hejumps back to the first tree, landing on it at a spot that is 1.7mabove the ground. Finally, he leaps back to the other tree,now landing at a spot that is 2.5m above the ground. What is the magnitude of the squirrrel's displacement.
Two identically charged particles separated by a distance of 5.7 m repel each other with a force of 8.9 N. What is the magnitude of the charges
A string with a mass m = 6.00 g and a length L = 8.00 m has one end attached to a wall; the other end is draped over a small, what is the fundamental frequency of its vibration
Calculate the change in the amount of bremsstrahlung that would be produced if an aluminum target were substituted for an iron target.
Three balls are constrained to move on the circumference of a circle of radius R. find the characteristic frequencies of the system
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. What is the power of one laser pulse
A 3.86-kHz tone is being produced by a speaker with a diameterof 0.239 m. The air temperature changes from 0 to 28.4oC. Assuming air to be an ideal gas, find the change in the diffraction angle
A wave of amplitude 0.40 m interferes with a second wave of amplitude 0.3 m traveling in the same direction. (a) What is the largest resultant amplitude that can arise.
What is the acceleration of a cart that has a mass of 50 g if it is beingpulled by mass of 90 g that is dropped off a table? What is the force that is exerted on the cart by the hanging mass?
What is a density of the block
A 75 kg person is standing in an elevator that is moving upwards at 0.5m/s and accelerating downwards at 0.2 m/s2. What is the normal force of the elevator floor acting on the person
illustrate what is the magnitude of the normal force exerted on the car by the walls of the cylinder at point A (at the bottom of the vertical circle)?
You are designing a mass spectrometer using the principles discussed in this chapter, but with an electronic detector replacing the photographic film. You want to distinguish singly ionized (1+) molecules of 175 proton masses from those with 176 p..
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