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A coin with a diameter of2.64 cm isdropped onto a horizontal surface. The coin starts out with aninitial angular speed of 28.1 rad/s and rolls in a straight linewithout slipping. If the rotation slows with an angulardeceleration of magnitude 1.12 rad/s2,
How far does the coin roll before coming to rest?
The tires of a car make 65 revolutions asthe car reduces its speed uniformly from 110 km/h to 60 km/h. If the car continues to decelerate at this rate, how much more time is required for it to stop
A spring with a spring constant of 224.8 N/m is compressed by 0.229 m. What is the speed of the ball bearing right after it loses contact with the spring
A swimming pool has dimensions 28m 11m and a flat bottom. The pool is filled to a depth of 2.30 m with fresh water.
Two protons are moving directly toward one another, When they are very far apart, their initial speeds are 2.77 106 m/s. What is the distance of closest approach
A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid sphere of surface area A separated from the surrounding negatively charged fluid by a membrane of thickness t, Estimate the capacitance of the cell ..
What total impulse was imparted by these forces. Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.0 cm-3, and their speed is 702 km/s. Find the current density of these protons.
A 0.160-kg baseball traveling 30.0m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 11.0cm . What was the magnitude of the average force applied by the ball on the glove?
a 0.190kg block of ice is placed against a horizontal compressed spring mounted on a horizontal tabletop that is 1.10m
a 120-v motor has mechanical power output of 2.50 hp. it is 90 efficient in converting power that it takes in by
q1. a 0.50-kg object is attached to an ideal massless spring of spring constant 20 nm along a horizontal frictionless
you need to move a 500 n box horizontally across the floor. you pull on the box with a rope which is also horizontal.
The electron is heading at a 45 angle directly toward the wire when it is 50cm away; the electron reaches only as close as 1.0 cm, before being repelled away, always moving in the same plane. If the electron has an initail speed of 3.4 x 10^6 m/s,
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