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A ball on a string is being whirled in a horizontal circle at constant speed. The circle has a radius of 30 centimeter. The ball completes one revolution every 0.84 s.
Find what angle does the string make with the vertical?
Find the acceleration of the ball?
Find the tension in the string?
Find the angular momentum per unit mass of the ball?
If the string is shortened so that the new radius of orbit of the ball is 15 centimeter (R/2), find at what angle from the vertical will be ball revolve?
Find the angular momentum of the ball if it weighs 5 Newton's?
a carnot engine absorbs 53.2 kj as heat and exhausts 33.0 kj as heat in each cycle. calculate a the engines efficiency
In a certain binary-star system, each star has the same mass whichis 1.6 times of that of the Sun, and they revolve about theircenter of mass. What is their period of revolution in years
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.0 MJ when the flywheel is rotating at 17,800 revolutions per minute
a candle 8.80 cm high is placed in front of a thin converging lens of focal length 40.0 cm. what is the image distance
Starting from rest, a 12 cm diameter compact disk takes 2.4 s to reach its operating angular velocity of 1925 rpm. How much torque is applied to the disk
q1. a 40 g rifle bullet travelling 260 ms buries itself in a 4.0 kg pendulum hanging on a 3.0 m long string which makes
For chlorine gas, the van der Waals constants are: a = 0.658 J·m3/mol2, and b = 5.62 × 10-5 m3/mol. What is the pressure in the container
a charge of -2.205muc is located at 3.055m 4.501m and a charge of 1.800 muc is located at -2.533m 0.a find the electric
A potter's wheel moves from rest to an angular speed of 0.20rev/s. Evaluate what is its angular acceleration in radians per second
a 3.0w source of light produces monochromatic beam of wavelength 550 nm . this beam is incident on a metal surfae with
A system of 1610 particles, each of which is either an electron or a proton, How many electrons are in this system
what is the distance traveled by a beam of light in a time of 2.0
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