"a satelita is launched rlote to the earth's surface with a Velocity glven byhere Me is mass of the carth and r is radlus of circular orb Derlve the dimenslon of the constant G. (A] MLa (0) MLT (CI M'T' (0) MLTt a baseball piteher tlrown a fasthall at a horizontal speed of 160 km/h, how long does the ball take to reschhome plate 18.4 m oway? (A] 414 mis (B] 514 ms [C] 441 ms [DI 184 ms,displacement of an objcct, x, is relsted to velocity, v, according to the relation X AV, the constant, A,has the dimension of which of the following? (A) time (B] accelerution (C] length [D] nren.The position of an object moving olong the x axis is given by x = 3t - 4t?+t where x is in meters and t inieconds, What in the position of the object at t= 4 s? (A] 10 m [B] 12 m [C] 14 m (D] 13 m.l vector A has components A, -3 and A, -4, then the magnitude of A is [A] -5 (B] 7 [C] 5 (D]-7.A bullet is dropped into a river from a very high bridge. At the snme time, another bullet is fired from a guntraight down towards the water. If air resistance is negligible, the accelerntion of the bullets just bofore theyatrike the water [A] is greater for the dropped bullet, D] is grenter for the fired bullet. [C] depends on how highthey started. [D] is the same for both bullets,You swing a 2.2 kg stone in a cireie of radius 75 cm. AI what speed should you swing it, sb its centripetalacceleration will be 9.8 m/s? [A]) 2.7 m/s (B] 2.0 m/s (C] 3.0 m/s (D] 2.5 m/s.A Cheetah can maintain its maximum speed of 100km/h for 30seconds. What minimum distance must a Gazelleunning 80km /h bo'aheád of the Chectah to cscapo? [A], 83.0 m [B] 70.0 m [C] 16.7 m (D] 100.0 m.A truck inoves 70 m East, then moves 120 m West, and finally moves Eust again a distance of 90 m. If Enst ischosen as the positive direction, what is the fruck's resultant displacement [A]. 280 m (B). 250 m [C]. 0m (D].10 m.A man pushes at constant speed a 50 kg refigerator a distance of 14 m across a level floor where coefticient ofriction is 0.40. How much work does he do? [A] 3000 J (B] 2500 J [C) 2740 J (D] 2470 J.Avelocity-time gruph is drawn for a ball moving In one direction. The graph starts at the origin and ut t Sa theccelerntion of the ball is zero. Then (A] the curve is not crossing the time axis. [B] the velocity of the ball is nothanging [C] the curve is at v 0, t 0. [Dj the slope of the curve is non-zero./hat must be the orbital speed of a 'satellite in a circular orbit 780 km nbove the sur face of the carth? [A]47 x 10 m/s (B] 6.76 x 10 m/s [C] 7.64 x 10 m/s [D] 7.46 x 10 m/s."hich of this statement is true about radinl acceleration? [A] radiul accelerntion is at 45 to the instantoncouslocity in a circular pnth. [B] radial acceleration points toward the centre of a circular path. [C] radialceleration is parallel to the instantancous velocity in a circular path. [D] radial ncceleration points away frome centre of a circular path.

Question

&#34;a satelita is launched rlote to the earth's surface with a Velocity glven byhere Me is mass of the carth and r is radlus of circular orb Derlve the dimenslon of the constant G. (A] MLa (0) MLT (CI M'T' (0) MLTt a baseball piteher tlrown a fasthall at a horizontal speed of 160 km/h, how long does the ball take to reschhome plate 18.4 m oway? (A] 414 mis (B] 514 ms [C] 441 ms [DI 184 ms,displacement of an objcct, x, is relsted to velocity, v, according to the relation X AV, the constant, A,has the dimension of which of the following? (A) time (B] accelerution (C] length [D] nren.The position of an object moving olong the x axis is given by x = 3t - 4t?+t where x is in meters and t inieconds, What in the position of the object at t= 4 s? (A] 10 m [B] 12 m [C] 14 m (D] 13 m.l vector A has components A, -3 and A, -4, then the magnitude of A is [A] -5 (B] 7 [C] 5 (D]-7.A bullet is dropped into a river from a very high bridge. At the snme time, another bullet is fired from a guntraight down towards the water. If air resistance is negligible, the accelerntion of the bullets just bofore theyatrike the water [A] is greater for the dropped bullet, D] is grenter for the fired bullet. [C] depends on how highthey started. [D] is the same for both bullets,You swing a 2.2 kg stone in a cireie of radius 75 cm. AI what speed should you swing it, sb its centripetalacceleration will be 9.8 m/s? [A]) 2.7 m/s (B] 2.0 m/s (C] 3.0 m/s (D] 2.5 m/s.A Cheetah can maintain its maximum speed of 100km/h for 30seconds. What minimum distance must a Gazelleunning 80km /h bo'aheád of the Chectah to cscapo? [A], 83.0 m [B] 70.0 m [C] 16.7 m (D] 100.0 m.A truck inoves 70 m East, then moves 120 m West, and finally moves Eust again a distance of 90 m. If Enst ischosen as the positive direction, what is the fruck's resultant displacement [A]. 280 m (B). 250 m [C]. 0m (D].10 m.A man pushes at constant speed a 50 kg refigerator a distance of 14 m across a level floor where coefticient ofriction is 0.40. How much work does he do? [A] 3000 J (B] 2500 J [C) 2740 J (D] 2470 J.Avelocity-time gruph is drawn for a ball moving In one direction. The graph starts at the origin and ut t Sa theccelerntion of the ball is zero. Then (A] the curve is not crossing the time axis. [B] the velocity of the ball is nothanging [C] the curve is at v 0, t 0. [Dj the slope of the curve is non-zero./hat must be the orbital speed of a 'satellite in a circular orbit 780 km nbove the sur face of the carth? [A]47 x 10 m/s (B] 6.76 x 10 m/s [C] 7.64 x 10 m/s [D] 7.46 x 10 m/s.&#34;hich of this statement is true about radinl acceleration? [A] radiul accelerntion is at 45 to the instantoncouslocity in a circular pnth. [B] radial acceleration points toward the centre of a circular path. [C] radialceleration is parallel to the instantancous velocity in a circular path. [D] radial ncceleration points away frome centre of a circular path.

Accepted Answer

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if a satelito is launched close to the earth's surface with a Veloclty glven by where Me Is maSs of the earth and r is radlus of circular orb Derive the dimenslon of the constant G. (AJ ML 10) MLT (C) ML'T' (0) MLT