Q17 What is the magnitude of the gravitational force acting on a 3.50 x 103 kg satellite orbiting a planet when the satellite's orbital radius is 9.17 x 106 m and the satellite's orbital period is 1.5 hours? (A) 4.34 x 104 N (B) 5.63 x 10"N (C) 4.07 N (D) 1.24 x 104 N
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
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- At what altitude above Earth's surface would the gravitational acceleration be 4.40 m/s²? (Take the Earth's radius as 6370 km.) Number UnitsDetermine the velocity required for a moving object 5.00 x 103 m above the surface of Mars to escape from Mars's gravity. The mass of Mars is 6.42 x 1023 kg, and its radius is 3.40 × 10³ m. X Ve = x10 ms-1In the figure, three 8.28 kg spheres are located at distances d1 = 0.415 m, and d2 = 0.414 m. What are the (a) magnitude and (b) direction (relative to the positive direction of the x axis) of the net gravitational force on sphere B due to spheres A and C? di В (a) Number i Units (b) Number Units
- 11. a) What is the weight (in newtons) of an 80 kg person at the Earth's surface? b) What is the weight of the same person on the surface of a planet with mass 8.0 x 1024 kg and a radius of 5.5 x 10' m? (G = 6.67 x 101 N* m?/kg?)The earth’s mass is 5.972x1024 kgs and the earth’s radius is 6371 kms, determine the altitude of a body from the earth’s surface if it falls 9.7 m / s2 if it is in a vacuum container. Draw the FBD. Thank uQ2, Q3, and Q5
- Look at the picturewhat are the magnitude and direction of the gravitational force exerted on Moe by 11.lf Moe exerts a gravitational force of 3.65 x 10-8 N on Larry, who is standing east of him, 10.If an object on the earth experiences a gravitational force of 25 N toward the center of the earth, what are the magnitude and direction of the force the object exerts on the earth? Larry? If each man has a mass of 70.0 kg, how far apart are they standing? If Curly were to bump into Moe, knocking him halfway to Larry, how would the new gravitational force between Moe and Larry compare to the original? a. ¼ as great b. ½ as great c. the same d. twice as great e. four times as greatThe Moon has a mass 7.35 x 1022 kg of and a radius of 1740 km. Air resistance can be neglected on the Moon. G = 6.67 x 10-11 m3 kg-1 s-2 is the universal gravitational constant. (a) If a ball is launched upwards from the surface of the moon with an initial speed of 1.15 km/s, what height maximum height above the surface of the moon will it reach? Give your answer in kilometers. (b) What is the escape speed of the moon? Give your answer in km/s.
- 29. Consider Planet X whose mass and radius are 9.05 x 1025 [kg] and 5.95 x 104 [m], respectively. If the weight of the object on the surface of the Earth is 2940 [N], what is its weight at height 750 [m] from the surface of the Planet X? Note: The gravitational constant is G = : 6.6743 x 10-11 m3 A. 3.70 × 108 [N] C. 4.99 x 108 [N] B. 4.88 x 108 [N] D. 5.12 x 108 [N] Lkga.) Find the net force on the Moon (mM=7.35×1022kg)(mM=7.35×1022kg) due to the gravitational attraction of both the Earth (mE=5.98×1024kg)(mE=5.98×1024kg) and the Sun (mS=1.99×1030kg)(mS=1.99×1030kg), assuming they are at right angles to each other (Figure 1). Express your answer to three significant figures and include the appropriate units. Fnet= __________ ____________ b.) Determine the direction of the net force. Express your answer to three significant figures and include the appropriate units. θ= ______________ ___________A newly discovered planet X has a mass of 36.7 × 1023 kg and radius 2.47 × 106 m. What is g on this planet's surface, in m/s2?