120. A plumb bob hangs from the roof of a railroad car. The car rounds a circular track of radius 300.0 m at a speed of 90.0 km/h. At what angle relative to the vertical does the plumb bob hang?

Q: The 510-kg uniform beam is subjected to the three external loads shown. Compute the reactions at the…

A:

Q: A small object of mass 0.5 kg is attached to the end of a light rod AB of length 60 cm. The rod is…

A:

Q: F = ix? + jy? + k z² not conservative conservative

A:

Q: Consider the following potential V(2) = 31? + 4x + 3. The equilibrium and it is a position is…

A:

Q: The relationship between work done by a force resultant and change in particle kinetic energy can be…

A:

Q: Problem #2 Draw the graphs of V4, V5, V6 and describe them as cos equation V4=5sin(wt+60)…

A: In the given question we have equations in sin and cos form and we have to convert them into cos to…

Q: Find the work done by pumping all the oil (density = 794.6 km / m³) over the edge of a cylindrical…

A: consider a cylindrical strip of radius r at a distance x whose thickness is dx, The force acting on…

Q: Problem 2: To reduce the power requirements on elevator motors, elevators are counterbalanced with…

A: according to the question, mass of elevator is 600kg mass of the counterbalance, m2 = 450kg m1 =…

Q: f) Assume the sun shines for 10 hours each day with an average solar irradiance of 250 W/m², and of…

A: F) The solar energy input can be calculated by multiplying the solar irradiance by the time period…

Q: 11.a. Consider the standard problem of raising a mass m through a height h near Earth's surface.…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A 20 ft long cable hangs from a pulley system located on the roof of a tall building. Set up an…

A: Given the length of the cable is 20 ft and the density of the cable is 1.5 lb/ft.

Q: Find the work done by the vector field F = (- 3z, 4y, - x) in moving an object along C in the…

A:

Q: this force.

A: Given: Force is F=3.01i-4.24j N displacement d=-3.46i+7.52 j m

Q: When an inelastic material is in a collision, A) the work done to deform the material is equal to…

A: Here option (e) is correct. i.e some of the work done to deform the material is converted to other…

Q: 7. A small block of mass m starts from rest and slides along a frictionless loop-the-loop as shown…

A: The position of the small block is shown below.

Q: A man does 4,730 J of work in the process of pushing his 2.30 × 10³ kg truck from rest to a speed of…

A: Given Work done = W = 4730 J Mass of truck = m = 2.30 × 103 kg Initial velocity of truck = u = 0…

Q: A hockey puck with mass 0.166 kg is pushed across the ice with a constant force of 0.89 N. The…

A:

Q: A particle moves in the xy plane from the origin to a point having coordinates x=7 m and y=4 m under…

A:

Q: Mechanical energy is conserved when a system is Select all that apply. O isolated in equilibrium O…

A:

Q: . Calculate the diameter of a baby's head if there is a time delay of 85 microseconds between…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Find the work done by pumping all the oil (density = 794.6 kg / m³) over the edge of a cylindrical…

A: Solution:   Given Values, Density (ρ)=794.6 Kg/m3)radius of the base(r)=1.2 mheight (H)=3.0 m

Q: You are working with a movie director and investigating a scene with a cowboy sliding off a tree…

A:

Q: A man does 4,570 J of work in the process of pushing his 2.40  103 kg truck from rest to a speed of…

A: The mass of the truck is 2.4x103 kg. The work done is 4570 J. The initial speed of the truck is 0…