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Common sports injuries result in the tearing of tendons and ligaments due to over stretching. If the anterior cruciate ligament (ACL) in an athlete's knee has a length of 1.0 cm, a breaking point of 1.9x10^8 Pa, and a Young's modulus of 6.0x10^8 Pa, how far must it be stretched from its relaxed length to tear it?
A long, narrow steel rod of length 2.5000 m at 25 C is oscillating as a pendulum about a horizontal axis through one end. what will be the fractional change in its period
two tuning forks oscillating coherently and in phase at 1200Hz are separated by 0.35m, Calculate the angles of minimum intensity
Calculate the magnitude of the gravitational force exerted on a 611-kg satellite that is a distance of two earth radii from the center of the earth, What is the magnitude of the earth's acceleration
A 7 kg bowling ball moves at 2.15 m/s. How fast should a 2.40 g Ping-Pong ball move so that the two balls have the same kinetic energy.
Two objects (01 and 02) have equal ammounts of electric charge Q on each of them. each object is located in the same electric field, the electric , the electric field having a magnitude of e.
A rock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range R. At what angle is the rock thrown
A 5.0 kg bundle starts up a 30° incline with 128 J of kinetic energy. How far will it slide up the plane if the coefficient of friction is 0.40
unpolarized light with intensity io passes through two polarizers the transmission of the one is vertical and that of the other is 60 degrees to the vertical
Two people on ice skates are at rest and stand facing each other. They then push each other away. The mass of the person on the left is 90 kg. Find the ratio of their speeds immediately afterward
The length of a simple pendulum is 0.75 m and the mass of the particle (the "bob") at the end of the cable is0.40 kg. What is the angular frequency of the motion
The fundamental frequency of an organ pipe corresponds to 262 HZ. The third resonance of a closed pipe has the same frequency. What are the lengths of the two pipes
a cicuit with a 112.0 m aluminum wire, with a diameter of 0.182 mm, what is the potential difference applied to the circuit after the wire is cooled
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