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A 554-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean radius.
(a) Find the satellite's orbital speed.
(b) Find the period of its revolution.
(c) Find the gravitational force acting on it.
A superhero flies 147 m from the top of a tall building at the angle of 33 degrees below the horizontal. What is the vertical component of the superhero's displacement.
Two blocks of mass 2kg and 4 kg are held together by a string force of 10N is applied on 2kg and 20N on 4kg find the tension in the string connected between two blocks
The inner and outer surfaces of a cell membrane carry a negative and positive charge, respectively. What is the magnitude of the electric field in the membrane
A freezer is used to freeze 2.0 L of water completely into ice. The water and the freezer remain at a constant temperature of T = 0 C, Determine the change in the entropy of the freezer
A bead slides without friction around a loop- the-loop. The bead is released from a height of 24.7 m from the bottom of the loop-the- loop which has a radius 9 m.
If a metal wire carries a current of 23.0 mA, how long does it take for 12.0×1020 electrons to pass a given cross-sectional area anywhere along the wire? The magnitude of the charge on an electron is 1.6 × 10-19 C.
An electron is accelerated through a potential difference of 100 V, Find the radius of the circular path in which it will travel
Some athletes can put out as much as 800 watts in short bursts. If you could sustain such energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 3000 meters below the peak? So how does ..
he 5.0- block is pulled to the right with a force as shown in the figure . The coefficient of static friction between all surfaces is 0.55 and the kinetic coefficient is 0.3, illustrate what is the minimum value of needed to move the two blocks?
A diverging lens has a focal length of 71.5 cm. A real object is placed 30.9 cm in front of the lens. How far is the image located from the lens
A flask is filled with 1.51 L (L = liter) of a liquid at 96.8 °C. When the liquid is cooled to 17.5 °C, What is the coefficient of volume expansion of the liquid
Two sound sources driven in phase by the same amplifier are 2.40 m apart on the y axis. What is the wavelength of the sound waves from the sources
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