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Q1. A guitar string is 75 cm long and has a mass of 3.8 g. From the bridge to the support post (= L) is 60 cm, and the string is under a tension of 558 N.
What is the frequency of fundamental?
What is the frequency of first overtone?
What is the frequency of second overtone?
Q2. An underwater diver sees the sun 58{rm ^circ} above horizontal. How high is the sun above the horizon to a fisherman in the boat above the diver?
The critical angle for a special type of glass in air is 41.8. The index of refraction for water is 1.33. What is the critical angle if glass is immersed in water.
A 0.180 kg baseball, travelling 32.0 m/s, strikes catcher's mitt that recoils 13.0 cm in bringing the ball to rest. What was an average force (in newtons) applied by the ball to the mitt.
What is an angular acceleration
With what minimum speed should you toss a 140g ball straight up to hit the 11.0m-high roof of the gymnasium if you release the ball 1.30m above the ground? Resolve this problem using energy.
How long does it take for the grinding wheel to stop ? Through how many radians has the wheel turned during the interval found in.
A person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
What is the smallest distance required to stop the plane
What is the distance between the centers of the two slits? Describe answer in m.
What should be the least kinetic energy in electron volts
Analyse the instantaneous velocity of the car
What horizontal force is needed to hold bag in new position
What effect will increase in temperature from 25 degree Celsius to 32 degree Celsius of the metal metre stick have on the measurement of the dimension of rectangular block? Why are corrections not generally essential for this effect.
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