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  • Supermassive Black Hole

    This artist’s impression depicts a rapidly spinning supermassive black hole surrounded by an accretion disc. This thin disc of rotating material consists of the leftovers of a Sun-like star which was ripped apart by the tidal forces of the black hole. Shocks in the colliding debris as well as heat generated in accretion led to a burst of light, resembling a supernova explosion. Credit: ESO, ESA/Hubble, M. Kornmesser

  • Cold Intergalactic Rain

    The cosmic weather report, as illustrated in this artist’s concept, calls for condensing clouds of cold molecular gas around the Abell 2597 Brightest Cluster Galaxy. The clouds condense out of the hot, ionised gas that suffuses the space between the galaxies in this cluster. Credit: NRAO/AUI/NSF; Dana Berry/SkyWorks; ALMA (ESO/NAOJ/NRAO)

  • The Quasar 3C 279

    This is an artist’s impression of the quasar 3C 279. Astronomers connected the Atacama Pathfinder Experiment (APEX), in Chile, to the Submillimeter Array (SMA) in Hawaii, USA, and the Submillimeter Telescope (SMT) in Arizona, USA for the first time, to make the sharpest observations ever, of the centre of a distant galaxy, the bright quasar 3C 279. Credit: ESO/M. Kornmesser

  • An Active Galactic Nucleus

    Artist's impression of an active galaxy that has jets. The central engine is thought to be a supermassive black hole surrounded by an accretion disc and enshrouded in a dusty doughnut-shaped torus. The torus of dust and gas can be seen orbiting a flatter disc of swirling gas. Courtesy Aurore Simonnet, Sonoma State University. Credit: ESO

  • The Horsehead Nebula

    A reproduction of a composite colour image of the Horsehead Nebula and its immediate surroundings. It is based on three exposures in the visual part of the spectrum with the FORS2 multi-mode instrument at the 8.2-m KUEYEN telescope at Paranal. This image is available as a mounted image in the ESOshop. Credit: ESO

Showing posts with label Benda Tegar. Show all posts
Showing posts with label Benda Tegar. Show all posts

Chapter 01 Benda Tegar

Pembahasan soal no 01
PPI 1979
Resultan kedua gaya sejajar yang terlihat pada diagram dibawah ini ?
Pembahasan soal no 02
PP I 1983
Pada gambar terlukis suatu segitiga siku-siku yang sangat ringan tetapi kuat. Dititik sudutnya ada massa m1, m2 dan m3, masing-masing 100 gram, 100 gram dan 300 gram. Jarak m1, m2 dan m3 masing-masing 40cm dan 30cm. Gaya F mengenai tegak lurus pada kerangka m1 m2 dengan jarak x dari m1. Gaya F sebidang dengan bidang kerangka. Agar titik bergerak translasi murni (tanpa rotasi) besar x adalah …
Pembahasan soal no 03
UMPTN 1991 Rayon C
Pada sistim kesetimbangan benda tegar seperti tampak pada gambar, AB  batang homogen panjang 80 cm dengan berat 18 N, berat beban 30 N dan BC adalah tali. Jika jarak AC 60 cm, tegangan pada tali adalah …?
Pembahasan soal no 04
UMPTN 1994 Rayon B kode 25
Dimana letak titik berat bangun seperti pada gambar berikut ?
Pembahasan soal no 05
UMPTN 1994 Rayon C kode 23
Sumbu kedua roda muka dan sumbu roda belakang sebuah truk yang bermassa 1500 kg, berjarak 2m. Pusat massa truk 1,5m dibelakang roda muka. Diandaikan percepatan gravitasi bumi adalah 10 . Beban yang dipikul oleh kedua roda muka truk itu sama dengan …
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