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A 0.360 kg pendulum bob passes throughthe lowest part of its path at a speed of 3.80 m/s.
(a) What is the tension in the pendulum cable at thispoint if the pendulum is 80.0 cm long?
N
(b) When the pendulum reaches its highest point, what angle doesthe cable make with the vertical?
°
(c) What is the tension in the pendulum cable when the pendulumreaches its highest point?
A wire of radius a is surrounded by a cylindrical conductor of inner radius a and outer radius 2a,. find the radius at which the magnetic field is zero
a 69 kg short track ice skater is racing at a speed of 11 m/s when he falls down and slides across the ice into a padded wall that brings him to rest. how much work is done by the all while stopping the ice skater
a circus performer hangs a 3.0kg hoop of diameter 1.0m over a nail. with what frequency does it oscillate about the nail
A 294 N force is pulling an 82.6-kg refrigerator across a horizontal surface. The force acts at an angle of 24.4 ° above the surface. calculate the work done by the kinetic frictional force
A 2.8{\rm kg} block of wood sits on a table. A 3.0 {\rm g} bullet, fired horizontally at a speed of 370{\rm m/s} , What is the speed of the block immediately after the bullet exits
In an adventure movie, a 65.0-kg stunt woman falls 7.80 m and lands in a huge air bag. Her speed just before she hit the air bag was 11.1 m/s. What is the total work done on the stunt woman during the fall
A box has a partition with 10% of its volume one side. The larger section of the box contains 500 Ar atoms and the smaller 100He atoms. A small hole is put into the partition. At equilibrium, what is the mean number of atoms of each type?
Calculate the limiting angle of resolution for the eye, assuming a pupil diameter of 1.80 mm, a wavelength of 530 nm in air, and an index of refraction for the eye of 1.33
An old-fashioned vinyl record rotates on a turntable at 49rpm . What are the angular speed in rad/s and the period of the motion
A 4.29-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box, Determine the kinetic frictional force that acts on the box
Calculate the volume charge density of the atmosphere
The hot reservoir for a Carnot engine has a temperature of 943 K, while the cold reservoir has a temperature of 495 K. The heat input for this engine is 5280 J. The 495-K reservoir also serves as the hot reservoir for a second Carnot engine.
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