What is the maximum acceleration of the needle
A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. What is the maximum acceleration of the needle?
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A hydraulic chamber with a spring (spring constant = 1600 N/m) attached to the input piston and a rock of mass 40.0 kg resting on the output plunger. the piston and plunger are nearly at the same height, and each has a negligible mass. by how much
what is the angular speed when she reaches a point r=0.50 m from the center? B) Compare the kinetic energy before and after she moves inward, are they the same?
How does this compare to the ground-level energy of the hydrogen atom? What is the ionization energy of Be3+? How does this compare to the ionization energy of the hydrogen atom?a
A baseball outfielder throws a 0.150 kg baseball at a speed of 39.0 m/s and an initial angle of 33.0°. What is the kinetic energy of the baseball at the highest point of its trajectory?
A roller coaster car has a mass of 500 kg when fully loaded with passengers. If at point A, the force exerted by the track on the car is 15000 N. What is the acceleration of the car at point A?
A 93.0-m long train begins uniform acceleration from rest. What will be the speed of the last car as it passes the worker?
Calculate the x component of the angular momentum of the barbell due to rotation about its own center. Find the y component of the same vector.
A hollow cylinder with an inner radius of 3mm and an outer radius of 20mm conducts a 3A current. What is the magnitude of the magnetic field at a point 12mm from its center? Assume that the current density is uniform throughout the wire.
Find the Young's modulus for the muscle tissue, assuming it to be a uniform cylinder of length 0.24 m and cross-sectional area 53 cm2.
He notes that a long pendulum extends from the ceiling almost to the floor and that its is 54 s. Determine (i)The period when the pendulum is taken to the moon where g=1.6m/s2.
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