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An irregularly shaped piece of metal has a weight of 0.882 N. It is suspended from a scale, which reads 0.735 N when the piece is submerged in water. What are the volume and density of the piece of metal?
A yo-yo is made of two solid cylindrical disks, each of mass 0.052 kg and diameter 0.070 m, joined by a (concentric) thin solid cylindrical hub of mass 0.0053 kg, What fraction of its kinetic energy is rotational
A particle has a charge of 600 o C and a mass of 0.6 nkg. This particle is placed in a uniform electric field of 1,200 N/C. Find the a) electrostatic force acting on the mass. If the particle is free from rest what is its acceleration.
Two balls, each with a mass of 0.871 kg, exert a gravitational force of 8.23 × 10?11 N on each other. How far apart are the balls
q1. a customer sits in an amusement park ride in which the compartment is to be pulled downward in the negative
A 12-lb sledge hammer head falls a distance of 3-m hitting a0.30-g lead nail initially at a temperature of 22 degreesCelsius. what was the speed of the sledge hammer head just beforehitting the nail
A device found at some amusement parks asks you to "test your personal force" by grasping two conducting bars, What voltage does the machine have to apply to the conducting bars to drive a current of 30.0 mA through your body
While a person is walking, his arms swing through approximately a 45.0 degree angle in 0.420s, What is the acceleration of a 0.900 gram drop of blood in the fingertips at the bottom of the swing
Water flowing through a 2.0cm -diameter pipe can fill a 500L bathtub in 4.9min. What is the speed of the water in the pipe
The shaft shown below has a solid round cross-section & is supported by bearing at A & B. Find the location of maximum bending stress in the shaft.
A mass m = 6.3 kg hangs on the end of a massless rope L = 1.98 m long. The pendulum is held horizontal and released from rest. How fast is the mass moving at the bottom of its path
Two particles P and Q are initially at rest 1.0 m apart. p hasa mass of 0.10 kg and Q has a mass of 0.30 kg. Describe the motion of the center of mass
A civil engineer is asked to design a curved section of roadway that meets the following conditions: With ice on the road, when the coefficient of static friction between the road and rubber is 0.11, a car at rest must not slide into the ditch and..
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