Three pounds of a perfect gas with R = 38 ft-lb/lb-R and K = 1.667 have 300 Btu of heat added during a reversible nonflow constant pressure change of state. The initial temperature is 100 degrees Fahrenheit. What is the change in enthalpy? * 300 BTU 320 BTU 120 BTU О 315 вTU

Q: Several experiments are carried out during which a ball, which first rolls on a table, reaches the…

A: Height of the ball above the ground, The angle of inclination of table with the horizontal, Velocity…

Q: A bead is sliding frictionlessly in the orbit in the figure. If the bead is released from the height…

A: mgh1-h2=12mv2g4R-2R=12v2v=2gR

Q: A small mass m glides frictionless along the track in a loop as shown. Calculate the minimum height…

A:

Q: A satellite revolves around the earth in a circular orbit. What is the work done by the satellite?…

A: Given: satellite revolving around the earth

Q: I was standing at the top of a building and wanted to hit the bulging root of the big tree below.…

A: Consider a body moving with an initial velocity u. If its velocity increases to v in time t, its…

Q: Solve for the differential equation representing the family of ellipse having its center at the…

A: Answer

Q: A skier starts at the top of a very large, frictionless snowball, with a very small initial speed,…

A: A kier starts at the top of a very large, frictionless snow ball, with a very small initial speed,…

Q: A 0.0139-kg bullet is fired straight up at a falling wooden block that has a mass of 2.18 kg. The…

A:

Q: Find the minimum height h1 that will allow the cart in the figure to make it around the loop at h2…

A: The initial energy of the car is, E1=mgh1

Q: please answer with steps

A: Apply the conservation of energy between the top of the inclined and the top of the hump.

Q: With figure and solution, please.

A: Given as. F1 =5.08N, F2 =8.87N, F3 =3.39N, θ=60°.

Q: A conical pendulum consists of a mass, m, at the end of a length of an ideal rope of length l that…

A:

Q: A ball rolls on the horizontal floor of a tall building, then. slides off the top of a ladder (see…

A: Given Data The speed of the ball is:u=4 m/s The height of stair is:h=0.5 m The width of stair…

Q: 7) You throw a ball straight upward. As it leaves your hand, its speed is 15 m/s. a) How much time…

A:

Q: Assume that the answer is between 90 and 270 degrees.What is the arctangent of -8.144?

A: We know that value of tan in third quadrant is positive. hence the angle can not lie in the third…

Q: 10. Consider a particle moving in three dimensional system where V(x, y, z) = ax +By² + y2³, it…

A:

Q: A 55kg cyclist is riding in his 7.4kg moves in a circle of radius 9m. The road exerts a central…

A: Let the combined mass of the cycle and the cyclist is denoted by m, radius of the orbit is denoted…

Q: What is the minimum speed needed to clear the loop? Diameter is 15m.

A: Radius = 15/2 = 7.5 m  To complete the loop speed required at bottom  V = √(5gR)

Q: Given: The train engine at E has a speed of 20 m/s and an acceleration of 14 m/s² acting at v = 20…

A: Given: Engine speed, v=20 m/s Engine's acceleration, a=14 m/s2 Finding engine's increasing speed…

Q: 40. What is the change in gravitational potential energy of a 65.5 kg astronaut lifted from Earth's…

A:

Q: A 80 gram coin sits on a horizontally rotating turntable. The turntable makes 1.1 revolution each…

A: Frictional force acting on coin                   F= 1.91 × 10-4 Newtons

Q: As you have learnt in the text, a geostationary satellite orbits the earth at a height of nearly…

A: The amount of the work done needed to carry a unit mass from infinity to a desired point is called…

Q: (-2/3,2) 2) (7,-7) 1)

A: To find the polar coordinate for these: Using, x=rcosθy=rsinθr=x2+y2Where,x,y are cartesian…

Q: horizontal. If the muzzle speed is 1600 ft/sec, find the time of flight and the distance from the…

A: W

Q: object is thrown with the speed of 20 m/s at an angle of 26 degree with the horizontal. What is the…

A: To find the maximum height of the object, we need to use the equations of motion for projectile…

Q: 8:41 O 52 Seatwork n... PHYS 1- Physics for Engineers 1st Semester AY 2020-2021 Seatwork no. 2 Name:…

A: There are 2 different ways to multiply 2 vectors. One is called scalar or dot product. The result of…

Q: All I need is the correct letter of the answer 10. The resultant of two forces, 28 N and 6 N, is 34…

A: Dear student,  Since all questions are different as per guidelines we can author only first one…

Q: A ball traveling from point A to point B on the surface of the Earth follows the trajectory shown in…

A: The ball is a projectile. The point A is the initial point (point of launch) of the ball. At point…

Q: You join NASA and your first mission is to land on an unknown asteroid to record data. From the…

A: 2.56 m/s^2

Q: True or false question- The gravitational force exerted by the Sun on the Earth holds the Earth in…

A:

Q: If the orbital period of an object is the same as the time it takes the Earth to rotate about its…

A: Suppose an object of mass m is following a circular geostationary orbit.If its distance from earth's…

Q: A crane is used to lower a 0.4 m concrete block (density, p= 2200 kg/m³) into the sea (density, p=…

A:

Q: describe the energy transformations that occur as a satellite orbits earth in a highly elliptical…

A: Given Describe the energy transformations that occur as a satellite orbits earth in a highly…

Q: Consider a planet in orbit around a star as depicted below.  It begins at position A, goes to B…

A: (a)Using Kepler’s laws, rank the positions in terms of planetary speed, slowest to fastest and give…

Q: Force -(-8.7 +6.j)N acts on a particle with position vector F {3,7 +4.j)\m. What is the angle…

A: Given: F1→=-8i→+6j→Nr→=3i→+4j→m The expression for angle (θ) between directions of position vector…

Q: A comet is in an elliptical orbit around the Sun, thanks to the Sun’s gravitational pull; this force…

A: (A) Force and velocity vectors

Q: A car rounds a level (unbanked) curve with a radius of 95 m without skidding at a speed of 25 m/s.…

A:

Q: A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a…

A: Given data The number of revolutions is n=1200 The radius is r=0.15 m (a) The distance does the…

Q: A disk with velocity v= 10m/s, mass m=5 kg, and radius r=2 m. Find the total kinetic energy.

A: We know that for a disc: Inertia(I) is as below. value of the rotational kinetic energy is: value…

Q: When a rocket reaches an altitude of a meters, It begins to travel along the parabolic path as shown…

A:

Q: Three spheres, with masses indicated above, are initially far away from each other, and the…

A:

Q: Find the direction cosines of angles from x, y, and z axis of the force F = 350N and passing through…

A:

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.