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Two steel guitar strings have the same length. String A has a diameter of 0.60 and is under 450.0 of tension. String B has a diameter of 1.4 and is under a tension of 830.0. Find the ratio of the wave speeds, , in these two strings.
Three springs, connected in series, with K1 =30, K2 = 40 and K3 = 50 N/m are suspended vertically with a 20 kg mass attached to the bottom. What frequency will the three-spring system oscillate?
A 645N woman climbs a staircase that rises at 50 degrees above the horizontal and is 4.95m long. Her speed is a constant 40.0cm/s. How much work has gravity done on her as she climbed the stairs
A 200 mL volume of neon gas is at 1.2 atm of pressure. If it was heated from 250 K to 500 K what is the volume if the pressure is held constant
Calculate the angular momentum of a solid uniform sphere with a radius of 0.135 m and a mass of 14.0 kg if it is rotating at 5.90 m about an axis through its center
A boy throws a stone horizontally from the top of a cliff of height h toward the ocean below. find the speed of the stone immediately before it reaches the ocean
A 330-g air track cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 5.00 x 10-6 kg?m2 and a radius of 1.35 cm. Write Newton's second law equation for each of the three objects
A uniform cord has a mass of 0.300 kg and a length of 6.00 m (see Figure below). The cord passes over a pulley and supports a 2.00-kg object. Find the speed of a pulse traveling from the wall to the pulley
A 20.0kg crate slides down a 29° incline at constant speed. What is the force of friction between the crate and incline
A 890kg sports car collides into the rear end of a 2500kg SUV stopped at a red light. The bumpers lock, calculates the speed of the sports car at impact
An unstable particle with a mass equal to 3.34 10-27 kg is initially at rest. Find the masses of the fragments
GPS satellites orbit the Earth at an altitude of 12,500 miles. How long does it take these satellites to make a complete orbit of the Earth?
Find out the force each hand exerts on the shaft when the shaft is rotating in the horizontal plane about its center at 5×10-2 {rm rev/s}.
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