If an object is near the surface of the earth, the variation of its weight with distance from the center of the earth can often be neglected. The acceleration due to gravity at sea level is g = 9.81 m/s². The radius of the earth is 6370 km. The weight of an object at sea level is mg, where m is its mass. At what height above the earth does the weight of the object decrease to 0.985 mg? Express your final answer in 3 decimals and unit is km.

If an object is near the surface of the earth, the variation of its weight with distance from the center of the earth can often be neglected. The acceleration due to gravity at sea level is g = 9.81 m/s². The radius of the earth is 6370 km. The weight of an object at sea level is mg, where m is its mass. At what height above the earth does the weight of the object decrease to 0.985 mg? Express your final answer in 3 decimals and unit is km.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

1. When a 10-kg object is placed on top of a vertical spring, the spring compresses a distance of 4.5 cm. What is the force constant of the spring? Express your answer in N/m.
Find the value of acceleration Initial velocity=7.1 m/s Final velocity=10 m/s Time=2 s
An object weighs 400 N at the surface of the earth at latitude 60°. find its weight if it is brought 100 Km above the surface of the earth assuming that the object rotates with the earth
A particle of mass 2 kg is travelling at a velocity of 1.5 m/s . A force f(t) = 3t² (in N) is applied to it in the direction of motion for a duration of 2 seconds, where t denotes time in seconds. The velocity (in m/s, up to one decimal place) of the particle immediately after the removal of the force is
Determine the Mass Moment of Inertia with respect to the x-axis, y-axis, and z-axis, p= 8050 kg/m³ 40 mm 20 mm- 80 mm 40 mm -20 mm 60 mm 45mm
1. A cylindrical tank having a base radius of 500 millimeters and a height of 2500 millimeters is filled with liquid A having a specific gravity of 1.20.What is the volume of the tank? Express your answer in unit of cubic meter. 2. Referring to question 1.What is the weight of the liquid in the tank? Express your answer in unit of N.
Suppose that the net external force (push minus friction) exerted on a lawn mower is 51 N (about 11 Ib) parallel to the ground. The mass of the mower is 24 kg. What is its acceleration? 5.122 m/s^2 1.225 m/s^2 O 2.215 m/s^2 O 2.125 m/s*2
If the effects of atmospheric resistance are accounted for, a falling body has an acceleration defined by the equation a = 9.81(1 - (v^2)(10^-4)) m/s^2, where v is in m/s and the positive direction is downward. If the body is released from rest at a very high altitude, determine the velocity when t = 20s
A circular plate with radius 8 m is submerged vertically in water as shown. Express the hydrostatic force against one side of the plate as an integral and evaluate it. (Round your answer to the nearest whole number. Use 9.8 m/s² for the acceleration due to gravity. Recall that the weight density of water is 1000 kg/m³.) -[X Need Help? Road It dy= 2 m 8 m N
A cart moving along a horizontal beam is subjected to three forces, as shown in Figure 5. a) If it is known that α= 36.87°, determine the magnitude of the force P such that the resultant force exerted on the cart is vertical. b) What is the corresponding magnitude of the resultant?
Question 3 Example from notes. Determine the distance, x, at which the 40 lb mass must be placed in order to achieve equilibrium. If necessary, Round your answer to 3 significant digits. 30 lb 2 ft 20 lb 2 ft X 25 lb Answer:
Civil question - solve this A mass of 400 g shown in given Figure is hooked up to a mild spring whose pressure regular is 5kN/m. it is free to oscillate on a horizontal frictionless track. If the mass is displaced 10cm from equilibrium and launched from relaxation, discover (a) duration of motion,( b) maximum speed of the mass, (c) maximum acceleration of the mass, and (d) equations for displacement, speed and acceleration as function of time..