Q2/ A conservative force F, (9x3 +7x2 + 2x + 1)N ,acts on a 6 kg body ,as the body moves along x-axis from x= 5 m to x-10 m .Calculate each of the following : a- The work done by this force. b- The change in the potential energy of the particle. c- The change of kinetic energy. d- The final kinetic energy, if its speed at 5m is 20 m/sec.

Q: M2 = 5 kg uk = 0.1 M1 = 20 kg Two masses are connected as shown. There is no friction on the pulley…

A:

Q: what is the required force to move a car (1300 kg) from rest to 80 m (with a 20 m/sec)?

A:

Q: If an object is moved a distance D in the direction of an applied constant force F, then the work W…

A:

Q: There are two springs attached to a mass with an unknown weight. The springs have a stiffness of k =…

A: Given that ,    μ=50N/mxo=5m h=4m

Q: A5 lb bucket attached to a rope is lifted from the ground into the air by pulling in 22 ft of rope…

A:

Q: ir flows steadily through an engine at constant temperature 400 K.Find the work per kilogram if the…

A: Air flows steadily through an engine at constant temperature 400 K.Find the work per kilogram if…

Q: 2a Evaluate (3x + 2) dx, where a is constant. А. - a(4.5α + 2) - В. 6.5a С. а(4.5а + 2) D. -6.5a

A: Solution: Let, f(x)=∫a2a(3x+2)dx Then by integrating,…

Q: A particle is acted on by forces (measured in newtons) F, = 5î + 3j F; = 4î – 2k 2k F, = î+ 2j+ 3k…

A: Given data: F1=5i+3jF2=4i-2kF3=i+2j+3k Need to determine the magnitude and direction of the…

Q: 2. An object with a mass of 50 kg, located on top of a building 20 m high, is allowed to fall freely…

A:

Q: A lift in a hotel carries six people with a mass of 750 kg and a total mass of 450 kg. How many…

A: Given data: The mass of all six people in the elevator is; m1 = 750 kg. The mass of the elevator…

Q: 3.2 Ib/ft? 120 ft b 180 ft Wind 1.8 Ib/ft The wind pressure acting on the wall of a high-rise…

A:

Q: |The shown block moves upward from position (A) to (B) though the distance (d = 4 m). Take (F1 = 25…

A: Given Data F1=25 N F2=50 N F3=100 N d=4 m

Q: Determine the quality x of water if P = 1.5 bar and v = 0.29 m^3/kg Select one: O a. 0.25 O b. 0.35…

A:

Q: An object with the weight of 19.62 kN is floating in water, where the specific weight of water is…

A:

Q: 20k N Determine the following: a. R in N b. Angles of A in radians c. Orthogonal component of A to B…

A:

Q: Which of the following processes is prohibited by the first law of thermodynamics (consider all…

A: First of all we need to learn about the first law, which states that, in a cycle the overall work…

Q: A particle of unit mass is moving on a plane. Its trajectory, in polar coordinates, is given by r(t)…

A: Given, Mass of particle = m = 1 unit (As particle has unit mass ) Radius of particle as a function…

Q: 3) Vo = 3.00 m/s Force Sensor v = 0 k = 130 N/m helleee Cart 1 Cart 2 m = 0.500 kg m = 1.05 kg F =…

A: The mass of cart 1 is given as, m1=0.500 kg. The mass of cart 2 is given as, m2=1.05 kg. The initial…

Q: Q1/ If an applied force varies with position according to Fx = 3X³ + 2t² +t + 4 , where X in meter…

A:

Q: A 100-kg box is towed to move horizontally from rest by a constant force P=200 N. The kinetic…

A: Given:m=100 KgP=200 Nμk=0.1θ=30 deg

Q: Q2/ A conservative force F, = (9x3 + 7x? + 2x + 1)N ,acts on a 6 kg body ,as the body moves along…

A: Condition of Conservative work Work done by the force is independent of the path of the object its…

Q: 1. The stress induced in a body when subjected to two equal and opposite pulls is known as: (a)…

A: (c) Tensile stress (b) Stress (b) Elastic body (a) Strain As per guideline ,we can solve only 1st…

Q: A 100-kg box is towed to move horizontally from rest by a constant force P=200 N. The kinetic…

A: Given: To find: Velocity at 2 seconds

Q: A beaker of circular cross section of radius 8 cm is filled with mercury up to a height of 6 cm.…

A: Data given-  r = 8 cm = 0.08 m  h = 6cm = 0.06 m Filled with hg  Atmospheric P = 105 N/m2  Density…

Q: If an object is moved a distance D in the direction of an applied constant force F, then the work W…

A:

Q: In figure (1), the block moves upward from position (A) to (B) though the distance (d = 2.5 m). Take…

A:

Q: A force F=10Sinxt Newton acts on a displacement of x=2Sin(t-r/6) meters. Determine a) the work done…

A:

Q: The potential energy of a spring having a spring constant k stretched an amount x is O (1/2) k²x. O…

A: GIVEN DATA - MCQ QUEATION ABOUT POTENTIAL ENERGY

Q: In Newton's Law of Cooling, the temperature of a body changes at a rate that is proportional to the…

A:

Q: what is the required force to move a car (1300 kg) from rest to 80 m (with a 20 m/sec)?

A:

Q: .  A closed vessel 20 litres in volume contains air under a pressure of  105 N/m2. What amount of…

A:

Q: A train moves with initial velocity 8 m/s 8 m/s 2 and accn = 2 m/s . Find : Velocity after it moves…

A: Data given- a = 2 m/s2  S = 30 m  V1 = 8 m /s

Q: Ice is added to hot tea in a thermos and then, the thermos is closed. The energy loses through the…

A:

Q: B/ Water in a rigid, insulating tank is set in rotation and left. Water comes to rest after some…

A: Consider a thermodynamics system as explained in the problem. We can observe all the processes but…

Q: When calculating work done by forces, the work of an internal force does not have to be considered…

A: In order to move a body through a certain distance, some amount of energy is required. This energy…

Q: 7. These three energy quantities are received by a system: 35 kJ, 55 kJ, and 70 kJ. Of the four…

A: Given data: E1=35 kJE2=55 kJE3=70 kJE4=-15 kJE5=-25 kJE6=-40 kJ∆U=22 kJ Need to determine the fourth…

Q: The shown block moves upward from position (A) to (B) though the distance (d=4 m). Take (F1 = 25 N,…

A: Given Data F1=25 N F2=50 N F3=100 N d=4 m

Q: Internal energy is equal to heat addition at   a) constant pressure b) constant volume c) constant…

A:

Q: Determine the quality x of water if P = 1.5 bar and v = 0.29 m^3/kg Select one: а. О.6 O b. 0.25 O…

A: Saturation Pressure: In the situation where both the liquid and vapour are in equilibrium, the…

Q: 3. A car traveling at 20 m/s when the driver sees a child standing in the road. He takes 0.80 s to…

A:

Q: 4. The weight of a 10-lb mass is measured at a location where g = 32.1 ft/sec2 on a spring scale…

A:

Q: Find the following: Find the Moment of F (in lb-ft) about A. Which way will the pole rotate,…

A: The magnitude of the force is, F=70 lb. The magnitude of the force is, P=55 lb. The value of the…

Q: s mass is 150 g. The stu

A: given: In a science lab, students determined how the mass of a cart affects its gravitational…

Q: 1. In a polytropic process pV"=Cif the value of n=1, determine the process. 2. In a polytropic…

A: Thermodynamic processes are divided into three categories in classical thermodynamics: (1)…

Q: Which of the following processes will lead to a decrease in the internal energy of a system? 1-…

A: The internal energy of a system represents the amount of energy contained within the system. It is…

Q: If an object is moved a distance D in the direction of an applied constant force F, then the work W…

A:

Q: a cylindrical container tank contains water to a depth of 0.90m. Wjat is the resulting pressure in…

A:

Q: F1 F2 a C F3 A' F4 D Consider the following values: - F5 a - 7 m; b - 3 m; a - 7 m; d = 3 m; F1 = 3…

A:

Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.