a) At what speed must a satellite be travelling so that it shall remain in a circular orbit1.6 x 103 km above the surface of the Earth. Take the mass of the Earth as 6.0 × 10²4kg, gravitational constant 6.7 × 10-11 N kg-2m-2 and radius of Earth as 6.4 × 106 m.b) A coil of wire, having 50 turns each of area 40 cm?, is placed so that a magneticfield of strength 0.01 T enters the coil at right angles. Using the Faraday's law ofelectromagnetic induction calculate the average induced EMF (electromotive force) inthe coil, if the field reduces to zero in 0.06 s.c) Considering electron and proton as two charged particles separated by d = 5 × 10-11m calculate the following:i) the electrostatic potential at a distance d from the proton.ii) the potential energy of the electron in the field of the protoniii) the Coulomb force between proton and electroniv) the gravitational force between the proton and electron and find its ratio to theCoulomb force.Take the mass of the proton 1.7 × 10-27 kg, the mass of the electron 9.1 × 10-31 kg,the electron charge -1.6 x 10-19 C, the value of the universal gravitational constant16.7 × 10-11 N kg-2m-2 and4πεο9 × 10° m/F.

Answered: Image /qna-images/answer/b11ef013-eb29-44fe-aee2-c2e2de40dfd8.jpg

At what speed must a satellite be travelling so that it shall remain in a circular orbit 1.6 x 103 km above the surface of the Earth. Take the mass of the Earth as 6.0 × 1024 kg, gravitational constant 6.7 × 10-11 N kg-²m-2 and radius of Earth as 6.4 × 106 m.

At what speed must a satellite be travelling so that it shall remain in a circular orbit 1.6 x 103 km above the surface of the Earth. Take the mass of the Earth as 6.0 × 1024 kg, gravitational constant 6.7 × 10-11 N kg-²m-2 and radius of Earth as 6.4 × 106 m.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A block and sphere are connected by a cord that passes over a pulley as shown. Neglect friction and assume the cord is massless. Take m1 = 2.00 kg, m2 = 7.65 kg, and ? = 49.0°. A triangular structure is oriented such that its base rests upon a horizontal surface, its left side is perpendicular to its base, and its right side forms an incline of angle ?. A pulley is attached to the structure's apex. Two objects are connected by a cord that passes over the pulley. A circular object labeled m1 is attached to the to the left end of the cord and hangs freely. A rectangular object labeled m2 is attached to the end of the cord and rests upon the incline. (a) What are the magnitude of acceleration (in m/s2) of the block and sphere? _____m/s2 (b) What is the tension (in N) in the cord? (Enter the magnitude.) ____N (c) What is the speed (in m/s) of each object 2.25 s after being released from rest? ____m/s (d)What If? If the incline under m2 is rough, what is the minimum value…
A boat having a mass of 80 Mg rests on the bottom of the lake and displaces 11.75 m^3 of water. Since the lifting capacity of the crane is only F = 550 kN, two balloons are attached to the sides of the boat and filled with air. The volume of a sphere is V =4/3πr^3. ρw = 1000 kg/m^3.Determine the smallest radius r of each spherical balloon that is needed to lift the boat. Neglect the mass of air and of the balloon for the calculation required for the lift and What is the mass of air in each balloon if the air and water temperature is 12∘C? The balloons are at an average depth of 20 mm. The gas constant for air is R= 286.9 J/(kg⋅K)
The small piston of a hydraulic lift has a cross-sectional area of 3.00cm^2,and its large piston has a cross-sectional area of 200cm^2.What downward force of magnitude F1 must be applied to the small piston for the lift to raise a load whose weight is Fg= 15.0kN?
A rock is attached to the left end of a uniform meter stick that has the same mass as the rock. In order for the combination of rock and meter stick to balance atop the triangular object in Fig., how far from the left end of the stick should the triangular object be placed? (i) Less than 0.25 m; (ii) 0.25 m; (iii) between 0.25 m and 0.50 m; (iv) 0.50 m; (v) more than 0.50 m.
A neutron star has a mass of 2(10^30) kg and a diameter of 10(10^3)m. Determine the gravitational force of attraction on a 10kg space probe at the instant of impact with the surface of the star.
An 8 kg and a 2 kg block are attached to a pulley system as shown in the picture and a force is being applied to the left. If the 2 kg block is accelerating upward at 1.2 m/s2 , what is the force used to pull the blocks? There is no friction between the 8 kg block and the surface its moving across and you can assume the rope is massless and the pulley is massless and frictionless. a) 78.4 N b) 19.6 N c) 31.6 N d) 98.0 N
.A flywheel rim which weighs 822 pounds has a mean diameter of 44 inches. The speed is to be maintained between 90 and 130 rpm. Calculate capacity of the flywheel in ft-lbf. Assume density of rim material as 7250 kg/m3. (Hint: Be careful of units and divide the answer by g=32.2 ft/s2 to obtain ft-lbf)
A neutron star has a mass of 2(10^30) kg and a diameter of 10(10^3)m. Determine the gravitational force of attraction on a 10kg space probe. When it is 10^6m from the center of the star.
Engineering Dynamics 1. A car moving at 70 km/hr has a mass of 1700 kg. What force is necessary to decelerate it at a rate of 50 cm/s^2? 2. Determine the angle of the superelevation for a 200 m hi-way curve so that there will be no slide thrust at a speed of 90 kph.
A 50-kg barrel hangs from one end of a 30-kg beam 3.0-m long. The distance from the loaded end of the balance point is a. 94 cm b. 56 cm c. 113 cm d. 175 cm
The diameter of ball which is suspended by a rope in atmosphere is 10cm , what is the tension in the rope if the density of ball is 2000kg/m3 10.2 N 13.6 kN 56.4 N 40.5 kN
To get up on the roof, a person (mass 72.0 kg) places a 6.80 m aluminum ladder (mass 13.0 kg) against the house on a concrete pad with the base of the ladder 2.00 m from the house. The top of the ladder rests against a plastic rain gutter, which we can assume to be frictionless. The center of mass of the ladder is 2.00 m from the base, as measured along the ladder. The person is standing on the ladder 3.00 m from the base, as measured along the ladder. Find the normal reaction and friction forces (in N) on the ladder at its base. (Enter the magnitudes.)