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A planet orbits a star, in a year of length 4.58 x 107 s, in a nearly circular orbit of radius 2.85 x 1011 m. With respect to the star, determine
(a) the angular speed of the planet,
(b) the tangential speed of the planet, and
(c) the magnitude and direction of the planet's centripetal acceleration.
the coefficient of kinetic friction between the table and the block is 0.320. Sand is gradually added to the bucket until the system just begins to move. Compute acceleration of the motion.
An archer shoots an arrow with a velocity of 45.0 m/s at an angle of 50.0° with the horizontal. An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the least initial speed necessary to m..
A pressure of 10 Pa is applied through a piston uniformly on the surface of water in a cylinder. How much of this pressure if it is 80 cm deep?
A closely wound rectangular coil of 95.0 turns has dimensions of 21.0cm by 48.0cm. What is the average emf induced in the coil
A 15 pF capacitor is charged to 1 kV and then removed from the battery and connected in parallel to an uncharged 65 pF capacitor
Sunlight shines directly on to the wall of a large soap bubble (n = 1.33) which is floating in air (n=1). What is the minimum thickness it could have to produce completely destructive interference for blue light (%u03BB = 475 nm)
A 0.58 kg toy airplane is suspended from the ceiling by a 1.6 m cord and rotates in a horizontal circle, Find the speed of the plane, Find the tension in the cord
the distance between the slits in the two-slit experiment is 1.50 x 10^ -5 m. What is the distance on the screen between the central bright fringe and the 4th order bright fringe
The sound level measured in a room by a person watching a movie on a home theater system varies from 60 dB, Approximately how many times louder is the latter sound?
Four charges of equal magnitude Q = 65 nC are placed on the corners of a rectangle of sides D1 = 25 cm and D2 = 10 cm. calculate the numeric value for the vertical force
Four particles with masses 9kg, 4kg, 9kg, and 3kg are associated by rigid rods of negligible mass as shown. Assume the system rotates in the yz plane about the x axis with an angular speed of 9 rad/s. Find out the moment of inertia of the system a..
The area of a room floor is 25ft^2. How many square meters are on the floor? a)7.6m^2 b)2.3m^2 c)82m^2 d)2.6*10^2m^2 e)none
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