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A grandfather clock is controlled by a swinging brass pendulum that is 1.1 m long at a temperature of 30.°C.
a) What is the length of the pendulum rod when the temperature drops to 0.0°C?
The distance between a proton and an electron is 1m. Calculate the electric force and gravitarional force between them
a composite slab with dimensions d1 = 10.8 cm, d2 = 3.00 cm, and d3 = 14.0 cm. What are the coordinates of the center of mass of the slab
A cord is used to lower verically a block of mass M a distance d at a constand downward acceleration of g/4. Find the work done by the cord on the block
A lamp hangs vertically from a cord in a descending elevator that decelerates at 3.2 m/s2. If the tension in the cord is 84 Newton, find what is the lamp mass
the aorta is the main artery from the heart. a typical aorta has an inside diameter of 1.7cm and carries blood at
A laser beam is incident on two slits with a separation of 0.10 mm, and a screen is placed 4.00 m from the slits. what is the wavelength of the laser light
A piece of iron of volume 5.13 x 10^(-4) m³ is supported by a string while submerged in water. What is the tension in the string
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.06 X 106 V, What is the speed of the ?-particle
An ion accelerated through a potential difference of 240.0 V has its potential energy decreased by potential energy of 7.68*10^-17 J
A meterstick pivoted about a horizontal axis through the 0-cm end is held in a horizontal position and let go. A:What is the initial tangential acceleration of the 100-cm position? In meters divided by secondsquared. B:Which position has a tangent..
A cube of ice is taken from the freezer at -9.5°C and placed in a 105 g aluminum calorimeter filled with 323 g of water at room temperature of 20°C. What was the mass of the ice cube
A model airplane of mass .75 kg is flying at constant speed in ahorizontal circle at one end of a 30m cord and at a height of 18m. What is the acceleration of the plane
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