Physics, 08.12.2020 06:20 lovedavis9544
A body of mass 2 kg is revolving at the end of a light string 3m long, on a smooth horizontal table with uniform angular speed of 1 revolution per second. A) drawbthe free body diagram b) find the tension in the string
Answers: 3
Physics, 21.06.2019 19:40
Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.
Answers: 3
Physics, 23.06.2019 00:20
Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.
Answers: 2
Physics, 23.06.2019 10:00
The molecular weight of oxygen gas (o2) is 32 while that of hydrogen gas (h2) is 2. prove that under same physical conditions, the velocity of sound in hydrogen is four times that in oxygen
Answers: 1
Physics, 24.06.2019 00:30
Each plate of an air-filled parallel-plate air capacitor has an area of 0.0040 m2, and the separation of the plates is 0.080 mm. an electric field of 5.3 × 106 v/m is present between the plates. what is the energy density between the plates? (ε0 = 8.85 × 10-12 c2/n · m2)
Answers: 3
A body of mass 2 kg is revolving at the end of a light string 3m long, on a smooth horizontal table...
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