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- a) What is the average speed in kilometers per second of the Earth around the sun, given that the radius of the Earth's orbit is 1.5×108km? b) What is the average velocity of the Earth over a year's time?The planetary model of the atom pictures electronsorbiting the atomic nucleus much as planets orbit the Sun. Inthis model you can view hydrogen, the simplest atom, ashaving a single electron in a circular orbit 1.06×10−10 m indiameter. (a) If the average speed of the electron in this orbitis known to be 2.20×106 m/s , calculate the number ofrevolutions per second it makes about the nucleus. (b) Whatis the electron’s average velocity?magnitude gravitational force (between a planet with mass 9.00 * 10 ^ 24 and moon, with 2.40 * 10 ^ 22 average distance between their canters 2.10 * 10 ^ 8* m b) ? is the moon's acceleration in m/s^ 2 ) toward the planet(Enter the magnitude. ) m/s^ 2 the planets acceleration (in m/s^ 2 ) the moon?
- An object is projected vertically upwards with a velocity (gr) 1/2. What is the maximum height reached by the object if “R” is the radius of the earth and “g” is the acceleration due to gravity? a) R/2 b) R c) 2R d) 4R1110. In Fig. P-1109, a ball thrown down the incline strikes it at a distance s 254.5 It. If the ball rises to a maximum height h 64.4 ft above the point of release, compute its initial velocity vo and inclination 6. Ans. v. = 80.5 ft per see; 0= 53.1° FIG. P-1109 and P-1110.If you are sitting at the equator on Earth, what would your average speed be knowing that the radius of the Earth is 6.37 x 106 m? What would your acceleration on Earth be?
- What is the maximum velocity, in miles per hour, for an automobile rounding a levelcurve of 200 ft radius if μs between the tires and roadbed is 1.0.%3D , unit for r The appropriate units consistent with the SI system are: unit for T (Select] ,and unit for v (Select] The expression for calculating the orbital period of an object undergoing uniform circular motion is given by: T = | Select)The acceleration due to gravity of a particle falling toward the earth is a=-gR2/r2, where r is the distance from the center of the earth to the particle, R is the radius of the earth, and g is the acceleration due to gravity at the surface of the earth. If R = 3960 mi, calculate the escape velocity, that is, the minimum velocity with which a particle must be projected vertically upward from the surface of the earth if it is not to return to the earth. (Hint: v = 0 for r= ∞.)
- A projectile is launched with an initial speed of 785 m/s  additionally V(iy) =736 m/s and V(ix) =-273 impact occurs at the same altitude it was launched at determine the following values take up to be positiveThe radius of the earth is R. At what distance above the earth's surface, in terms of R , is the acceleration due to gravity = 2.5 m/s2 ? At approximately (answer) × R above the earth’s surface.818) 8) An aweratht puyine at 390km/hi on a ancrapt 65°. The uwind blown at 390km h at ya kmlh Dlyenl i on a beanne p 65° . The wind blowwing at yä kmlh Drom a bearineo) 115 local Detemine qround speed and 'directiond aiverapt, aivcrat Nent Page more questdong