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A string fixed at both ends is vibrating in its 8th harmonic.
(a) How many nodes are on the string?
(b) The 8th harmonic wavelength is what fraction of the string length?
(c) If the 8th harmonic frequency is 976. Hz, what is the frequency of the 2nd overtone?
an object is thrown upward with a speed of 12m/s on the surface of planet x, What is the maximum height reached by the object
What is the value of the static friction.
What is the magnitude of the net force on the student.What is the magnitude of contact force on the student by the backpack.
An electronics technician wishes to construct a parallel-plate capacitor using rutile (? = 1.00 102) as the dielectric. If the cross-sectional area of the plates is 1.00 cm2, what is the capacitance if the rutile thickness is 1.00 mm?
A heavy crate is attached to the wall by a light rope, as shown in the figure. Another rope hangs off the opposite edge of the box. which rope will break
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A 0.42 kg ball is dropped from rest at a point 1.30m above the floor. The ball rebounds straight upward to a height of 0.580 m. What are the magnitude and direction of impulse of the net force applied to the ball during the collision with the floo..
Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +21.0 km/s to ?17.8 km/s, What is the total change in the asteroid's velocity
A piece of Nichrome wire has a radius of 5.0 x10-4 m. It is used in a laboratory to make a heater that dissipates 2.00 x10^2 W of power when connected to a voltage source of 120 V. Ignoring the effect of temperature on resistance, estimate the req..
Besides the gravitational force, a 3.25-kg object is subjected to one other constant force. The object starts from rest and in 1.20 s experiences a displacement of (4.10 - 3.30) m, where the direction of is the upward vertical direction. find out ..
A man pushes a lawn mower on a level lawn with a force of 200N. If 40% of this force is directed downward, then how much work is done by the man
A block (mass = 1.8 kg) is hanging from a massless cord that is wrapped around a pulley (moment of inertia = 1.2 x 10-3 kg·m2), find the angular acceleration of the pulley
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