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- A satellite used in a cellular telephone network has a mass of 2380 kg and is in a circular orbit at a height of 850 km above the surface of the earth. Part A What is the gravitational force Fgrav on the satellite? Take the gravitational constant to be G = 6.67x10-11 N-m2/kg2, the mass of the earth to be me = 5.97x1024 kg, and the radius of the Earth to be re = 6.38×106 mGiven: The 6-kg collar is attached to a spring that has an unstretched length of 2m and a stiffness K=9.3 N/m. If the collar is drawn to point B and released from rest as shown. 3 m A 4 m Please fill in the blank your answer with two decimal places (for example 123.45). Do not add the units in the blank A) The work done by the spring when the collar reaches point A UB-A. Joule= 44.85 B) The work done by the weight of the collar when it reaches point A, Ug(8-A), Joule= C) The velocity of the collar when it arrives at point A. v, m/s=Determine the weight W of a satellite when it is in orbit 20.2(10^6)m above the surface of the earth if the satellite weighs 8450 N at the surface.
- NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. The two blocks shown are originally at rest. Neglect the masses of the pulleys and the effect of friction in the pulleys and between the blocks and the incline. Consider WA = 212 lb and WB = 312 lb. Ma 20 Determine the tension in the cable.. The tension in the cable is 190 lb. me! Required information Channel AB is fixed in space, and its centerline lies in the xy plane. The plane containing edges AC and AD of the channel is parallel to the xz plane. The surfaces of the channel are frictionless and the sphere E has 1.6 kg mass. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. N J N D 30° + E 30° X F A 30° 20° B Determine the force supported by cord EF, and the reactions RC and Rp between the sphere and sides C and D, respectively, of the channel. (Round the final answers to four decimal places.) The force supported by cord EF is N. The reactions Rcand Rp between the sphere and sides C and D, respectively, of the channel are as follows: RC= RD= ZA space shuttle is in a circular orbit at an altitude of 169 mi. Calculate the absolute value of g at this altitude and determine the corresponding weight of a shuttle passenger who weighs 165 lb when standing on the surface of the earth at a latitude of 45°. Are the terms "zero-g" and "weightless," which are sometimes used to describe conditions aboard orbiting spacecraft, correct in the absolute sense? Answers: ft/sec² Sh= Wh= lb i i
- Channel AB is fixed in space, and its centerline lies in the xy plane. The plane containing edges AC and AD of the channel is parallel to the xz plane. The surfaces of the channel are frictionless and the sphere E has 1.9 kg mass. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. N N E 30° x F 20° B ᎠᏓ C 30°/A 30° Determine the force supported by cord EF, and the reactions RC and RD between the sphere and sides C and D, respectively, of the channel. (Round the final answers to four decimal places.) The force supported by cord EF is The reactions RC and Rp between the sphere and sides Cand D. respectively, of the channel are as follows: RC= RD= z N. 4At perigee of an elliptic gravitational orbit a particle experiences an impulse S in the radial direction, sending the particle into another elliptic orbit.Determine the new semi-major axis, eccentricity, and orientation in terms ofthe old.An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 9.791 m/s². Determine the orbitql period of the satellite? Your answer should be a unit of time.
- Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A loading car is at rest on a track forming an angle of 25° with the vertical when a force is applied to the cable attached at C. The gross weight of the car and its load is 5495 lb WG, and it acts at point G. Know the tension in the cable connected at C is 5000 lb Tc. Neglect friction between the car and the track. 24 in. 25 25.in. T 25 in. C B 30 in. Determine the distance the car moves in 20 s. (You must provide an answer before moving on to the next part.) The distance the car moves is IThe radius of a highway curve is 120m, and has an angle of 9.31 from the horizontal. The center of gravity of the car is located 0.80m above the roadway and the distance between the two front wheels is 1.2m. if the car has a total weight of 15KN, a. Determine the normal acceleration (m/s2) and the velocity (in kph) of the car before overturning? Assume that friction is great enough to prevent sliding. b. Find the maximum velocity of the car could move in the curve so that there will be no pressure between the tires and the roadway, kph. c. What is the velocity of the car to prevent sliding up if the coefficient of kinetic friction is 0.60?Determine the weight W of a body that has a mass of 1000 kg in a satellite at an altitude of 250 km.