A certain object weighs 284 N at the earth's surface. Determine (a) the mass of the object (in kilograms) and (b) its weight (in newtons) when located on a planet with an acceleration of gravity equal to 6 ft/s². (a) (b) kg N
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- Determine the mass moment inertia of a steel shaft that is 2 m long and has a diameter ( d ) of 10 cm. The density of steel is 7860 kg⁄m3 .Determine the acceleration at the instant shown. The particle has a constant speed of 2 m/s.Body A in the figure has a mass of 50 kg and B has a mass of 60 kg. Calculate the acceleration a of the system after release after it has moved 3 m from rest.
- A hollow cylinder 1.72-m in diameter and 6-m long weighs 3,046 N. How many cubic meters (m3) of metal weighing 102 kN/m3 must be placed inside the cylinder such that 1.1 m. of the cylinder is protruding above the liquid surface? The hollow cylinder is submerged in a liquid that has a specific gravity of 2.7. Round off to four decimal places.One type of engine used in space travel is an ion thruster. These engines produce a low force that results in small acceleration changes. If an ion-thrust engine is used to apply 87 millinewtons [mN] of force on a satellite with a mass of 1.4 megagrams [Mg], what is the acceleration produced in units of meters per second squared [m/s2]?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..
- An average table tennis ball has a diameter of 3.812cm. And a mass of 2.676 grams. Assuming that air buoyancy is included, what will be the density of air (in kg/m^3) needed to make the table tennis ball is a depth of h = 7.032 mm., in a liquid with specific gravity of 1.007? Neglect any temperature change that could after the density of air. Assume the ball to be a sphere.A mass of 3.9kg is projected with a speed of 4.7m/s up a plane inclined 38 degrees with the horizontal. If coefficient of kinetic friction is 0.27, determine the distance it will travel before it stops. Note: use 3 decimal placesA particle travels around a circle of radius equal to 4 m, changing its speed at a constant rate. At a certain point A, the speed is recorded to be 3 m/s, after travelling another quarter revolution to point B, the speed has increased to 6 m/s. Determine the magnitude of the acceleration of the particle at B.
- An average table tennis ball has a diameter of 3.809 cm. And a mass of 2.655 grams. Assuming that air buoyancy is included, what will be the density of air (in kg/m^3) needed to make the table tennis ball is a depth of h = 7.009 mm., in a liquid with specific gravity of 1.038? Neglect any temperature change that could after the density of air. Assume the ball to be a sphere.1) 10 cu.m. OF Kerosene oil weighs 8000kg. Calculate its specific weight, density and specific gravity. 2) If an object has a mass of 45 kg. At sea level, what will be its weight at a point where the acceleration due to gravity is 9.75 m/s^2? 3) What is the value of the surface tension of a small drop of water 0.5mm in diameter which is in contact with air if the pressure within the droplet is 400Pa? 4) A reservoir of glycerin has a mass of 1,200 kg and a volume of 0.952 cu.m. determine the ff. a.) weight of glycerin b.) specific weight of glycerin c.) specific gravity of glycerin 5.) Find the capillary rise in a tube for a water glass interface (teta) = 0° if the tube radius is 1mm and the density is 1000 kg/m³. Surface tension of water is 0.0728 N/m.An object having a specific gravity of 0.60 floats in a liquid having specific gravity of 0.80. Determine the following: (a) percentage of the volume below the liquid surface to the total volume of the body (b) If the volume above the liquid surface is 0.024 m, what is the weight of the object? (c) The load that will cause the object to be fully submerged