day, May 2, Three particles A, B and C are placed such that each lies at the corner of a triangle as shown in the diagra

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Day May 2 Three Particles A B And C Are Placed Such That Each Lies At The Corner Of A Triangle As Shown In The Diagra 1 (58.17 KiB) Viewed 40 times

day, May 2, Three particles A, B and C are placed such that each lies at the corner of a triangle as shown in the diagram. The masses have the values given belows. Calculate the direction of the gravita- tional force on particle B due to particles A and C A B с 300 kg 600 kg 155 kg C D 77.6⁰ E 80.9° 76.8⁰ An Earth satellite (mass =2500 kg), is at a height H = 3.30 x 10 m, above the earth. Determine the speed of the satellite around the earth, giving that the centripetal force on the satellite is balanced by the gravitational pull of the earth on it. [Mass of Earth = 5.98 x 1024 kg, Earth radius = 6.37 x 10 m] x 10³ m/s с Earth A B D E 7.53 7.65 7.72 7.48 7.59 3) A crate of mass of mass 180.0 kg is pushed with intial speed of 33 m/s along a concrete floor. If the crate comes to rest after covering 15 m, determing the coeficient of kinetic friction between thecrate and the floor. A B C D E 0.435 0.476 0.615 0.492 0.532 A 1700 kg car decending a hill of height 250 m with a speed of 45 m/s suddenly loses power. The breaks fail as a result and the driver steers the car carefully down the hill to reach the level ground. With no brakes, the car continues on the level ground and eventually comes to rest after a distance of 1200 m. Determine the magnitude of the force responsible for stopping the car. Assume the driver's mass to be included in that of the car. E 4528 N 4) 2.5 m 9.8 m/s A 78.9° H A 4905 N 4.5 m B 75.2⁰ H = 250 m B 4204 N G= 6.673 x 10-11 N.m²/kg Vo с 3924 N D 3679 N