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Assume a 40.0-cm-long violin string has a mass of 1.20 g andis vibrating in its fundamental mode at a frequency of 500Hz.
a) What is the wavelength of the standing wave on the string?
b) What is the tension in the string?
c) Where should you place your finger to increase thefundamental frequency to 650 Hz?
A charged particle A exerts a force of 2.75 ?N to the right on charged particle B when the particles are 12.0 mm apart. Particle B moves straight away from A to make the distance between them 17.6 mm. What vector force does particle B then exert o..
A person sitting quietly in a room on a winter day may lose heat primarily by radiation from the outer surface of her clothes to the walls of the room. what is the temperature of the outer surface of the clothes
What is the basic difference between Newtonian Fluids and Non newtonian fluids?
Write down the wave function for the ground state of an electron in a hydrogen atom in spherical coordinates. What are n, l, and m? Compute the expectation value (r), in Angstroms.
A hunter aims directly at a target (on the same level) 113 m away. If the bullet leaves the gun at a speed of 255 m/s, by how much will it miss the aim.
A 5.00-g bullet, traveling horizontally with a velocity of magnitude 490 m/s, is fired into a wooden block with mass 0.800 kg, initially at rest on a level surface. What is the decrease in kinetic energy of the bullet
a 150g block on a frictionless table is firmly attached to one end of a spring with k 30nm . the other end of the
Susan's 12.0kg baby brother Paul sits on a mat. Susan pulls the mat across the floor using a rope that is angled 30? above the floor. Use work and energy to find Paul's speed after being pulled 3.20m
train engine has a mass of 2.1 x 107 and is moving acrossed a bridge at 23.9 miles per hour what is the kinetic
Two identical spheres each carry a charge of -40.0 µC. The spheres are separated by a distance of 1.00 m. What is the electric force between the spheres
You are playing raquetball at the rec center. When you are 10 m away from the wall you hit a ball 24 m/s towards the wall at an angle of 30 degrees. How high above the launch point does the ball hit the wall
Suppose that all movement occurs in a straight line up and down along the y axis. Find out the muzzle velocity of the ball (i.e., the velocity of the ball at spring's equilibrium position).
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