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1) A standing wave on a string fixed at both ends has three antinodes. The string is 85.0 cm long. What is the wavelength of this standing wave?
2) A standing wave on a string that is fixed at both ends has frequency 80.0 Hz. The distance between adjacent antinodes of the standing wave is 20.0 cm. What is the speed of the waves on the string, in m/s?
A 8.85 ?C point charge is glued down on a horizontal frictionless table on the right. If is tied to a -6.65, Find the tension in the wire, What would the tension by if both charges were negative
A solid block of mass m2 = 0.5 , at rest on a horizontal frictionless surface, is linked to a relaxed spring (with spring constant k = 150 whose other end is fixed. Another solid block of mass m1 = 2.4 and speed v1 = 2.2 collides with the 0.50 blo..
A transparent oil with index of refraction 1.18 spills on the surface of water (index of refraction 1.33), determine the thickness of the oil slick
A pump uses a piston of 15 cm diameter which moves 2 cm/s. What is the fluid velocity of a tube 3mm in diameter
A single-turn wire loop is 3.6cm in diameter and carries a 620mA current. Find the magnetic field strength on the loop axis, 22cm from the center
A scooter begins at rest at t0 = 0 seconds. The scooter then accelerates and covers a distance d = 526 m, What is the scooters average speed during this period
You are the technical consultant for an action-adventure film in which a stunt calls for the hero to drop off a 23.7-m tall building and land on the ground safely at a final vertical speed of 3.85 m/s. How many revolutions does the drum make during..
A 1.50 multiplied by 103kg car starts from rest and accelerates uniformly to 18.50m/s in 13s. Assume that air resistance remains constant at 400N during this time.
An alpha particle and beta^ {-} particle, each with kinetic energy 35 {rm keV}, are sent through a 1.10 {rm T} magnetic field. The particles move perpendicular to the field. Find the curvature radius for alpha particle's trajectory. Hint: The kine..
A step-up transformer has 26 turns on the primary coil and 770 turns on the secondary coil. what input current and voltage are needed
A small ball is attached to one end of a spring that has an unstrained length of 0.204 m. The spring is held by the other end, What is the maximum acceleration of the eardrum
an early cyclotron had a diameter of 30 cm and used a magnet capable of applying a magnetic field of 2.0 T. What was the max kinetic energy of the protons
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