A rock block is sliding down to bottom at constant velocity, Figure below. Coefficient of static friction between the rock block and the inclined surface is 0.30. Determine the maximum force that man needed to make the block at rest.

Q: 4) A diffraction grating with 1.15x105 grooves/m_is illuminated by 654 nm light. Then, the set-up is…

A:

Q: Problem 8: A boom with a mass of 101 kg is held in static equilibrium as shown in the figure. A mass…

A: Mass of boom =101kgMass of block M = 168 kgThetha = 52 degree.

Q: Q (-3.0 m, 0) y A B (0, +4.0 m) Ở (3.0 m, 0) (0.-6.0 m) Each Q shown is 60 μC. What work is required…

A: We have to find work done  i.eW=q∆V

Q: The drawing shows an equilateral triangle, each side of which has a length of 1.52 cm. Point charges…

A: since the net force on  charge is vertically downward, the charges  must be negative and have same…

Q: A long piece of wire of mass 0.086kg and total length of 4.43m is used to make a square coil with 63…

A: The coil is in equilibrium when the magnetic torque (τmagnetic) equals the gravitational torque…

Q: Assuming that the escape speed of Mars is 4.17 km/s, what is the log10 of the number of molecules in…

A:

Q: Problem 9: A very large sheet of very long wires lie parallel to the y-z plane with the current…

A:

Q: Consider a configuration with four point charges located at the corners of a square (see figure),…

A:

Q: A pulley and string arrangement is used to connect two objects A and B as shown in the diagram…

A:

Q: .A 50.0 kg boy sits on a 40.0 kg sled which is resting on the ice of a pond (zero coefficient of…

A:

Q: Two couples act on the frame. (Figure 1) Figure 100 lb 30% 13 ftd-3f1-B A ve 30⁰ 100 lb 150 lb 4 ft…

A:

Q: 4. A +3.0 x 10-5 C charged particle with a mass of 2.0 x 104 kg is ejected through the top positive…

A:

Q: Two point charges lie on the $x$ axis. A charge of +9.96 $\mu C$ is at the origin, and a charge of…

A: The electrical characteristic of particles like electrons and protons is described by the…

Q: Compute the line integral of = 6x + y zŷ + z 2 along the triangular path shown in the figure below.…

A:

Q: Monochromatic light of wavelength 592 nm from a distant source passes through a slit that is 0.0250…

A: Use single slit diffraction formula

Q: In the figure a current i = 19 A is set up in a long hairpin conductor formed by bending a wire into…

A:

Q: The charges Q₁ = 3.6 x 107 C, 9₂ = -6.0 x 107 C, and q3 = -1.1 x 107 C are placed at the corners of…

A:

Q: 4(x) =

A: Now here given the values that,a=7.50cm=0.075mProbability 87%=0.87So now we get from normalization…

Q: A pair of long, rigid metal rods, each of length L, lie parallel to each other on a perfectly smooth…

A:

Q: Two planes take off at the same time from an airport. The first plane is flying at 280 miles per…

A:

Q: Fis the only force acting on the object of mass m. The force has a magnitude of B and acts at the…

A: According to the question, no force is exerted on the body of mass m except F. The component of…

Q: A 1100N uniform boom is supported by a cable perpendicular to the boom, as seen in the figure below.…

A:

Q: and the 10.64 Figure P10.64 The mechanism shown in Fig. P10.64 is used to raise a crate of supplies…

A:

Q: Four charges, qa, qb, qc, qd are fixed at the corners of a square. A charge q that is free to move…

A: Based on the description of the question there can be as many as six different cases or scenarios.In…

Q: A 0.32-kg skeet (clay target) is fired at an angle of 28° to the horizon with a speed of 25 m/s.…

A: Range ,NowAfter collision skeet moves along horizontally at, Vertical velocity of pellet is,Now…

Q: An airplane has a mass of 3.61 x 104 kg and takes off under the influence of a constant net force of…

A: Given Data: The mass of the airplane is M=3.16×104 kg.The airplane takes off under the influence of…

Q: Problem 1: One end of a spring with a spring constant of 159 N/m is held firmly in place, and the…

A:

Q: In exercising, a weight lifter foses 0.107 kg of water through evaporation, the heat required to…

A: Given-the amount of water the weight lifter loses, the work done in lifting weights, the latent heat…

Q: The diagram below (which is not to scale) shows two point charges, A & B. The charge of A is -9.9 nC…

A: To determine the magnitude and direction of the net electric field (E) at point P, due to the…

Q: A small block with mass 0.0400 kg is moving in the xy-plane. The net force on the block is described…

A:

Q: What method of arm pull do you expect to see most of the swimmers using during Swim the Suck…

A: Sculling (S Shaped)During swim the suck most swimmers are likely to use sculling (S-shaped).Sculling…

Q: Exercise 7.9 A small rock with mass 0 16 kg is released from rest at point A, which is at the top…

A:

Q: The constant 10-lb force is applied to the 79-lb stepped cylinder as shown. The centroidal radius of…

A: Given,The applied force, The weight of the cylinder, Radius of gyration, The time, The radius,Angle,…

Q: Mass m1= 3kg has an initial velocity of V1i = 50m/s and undergoes a 1-D elastic collision with mass,…

A: The collisions are elastc. So momentum and kinetic energy is conserved in these collisions. We will…

Q: A harpoon cannon mounted on a 5000 kg fishing boat fires a 15.0 kg harpoon at 250 m/s in a direction…

A:

Q: Two identical, small insulating balls are suspended by separate 0.31-m threads that are attached to…

A:

Q: A wrecking ball (weight = 4510 N) is supported by a boom, which may be assumed to be uniform and has…

A:

Q: Fytys A 6.0-kg block initially at rest is pulled to the right along a horizontal surface by a…

A: A.The magnitude of frictional force is

Q: flat plate with surface area of 4.4 m² is sliding on a horizontal table with 4.5 mm thick oil layer…

A: Force F=5.2NSurface area A= 4.4 m^2thickness of the layer t= 4.5mm=dynamic viscosity

Q: A person slides a small ball with speed u along the floor from point A. If x= 3.7 m, R = 1.3 m,…

A:

Q: A chain 59 meters long whose mass is 24 kilograms is hanging over the edge of a tall building and…

A:

Q: A crate of eggs is located in the middle of the fat bed of a pickup truck as the truck negotiates an…

A: Coefficient of friction =0.560radius of circle R= 38macceleration due to gravity g=9.8m/s^2

Q: Needs Complete typed solution with 100 % accuracy.

A: From the diagram,By taking the x direction,we have

Q: A skydiver jumps from a slow-moving airplane. The skydiver's mass is 79.5 kg. After falling for some…

A: The skydiver's mass (m) = 79.5 KgTerminal speed (VT ) = 54.1 m/s

Q: Calculate the de Broglie wavelength of a 4.8 MeV particle emitted from an atomic nucleus whose…

A: The energy of the alpha particle is,The diameter of the atomic nucleus is The mass of the alpha…

Q: When human skin is wounded because of a puncture or scrape, disk-shaped keratinocyte cells migrate…

A: The diameter of keratinocyte cells is The angular speed of rolling keratinocyte cells is  The length…

Q: a. Draw a clearly labeled free-body diagram for the chair b. Use your diagram and Newton's laws to…

A:

Q: Y Part A A particle with mass 4x10-2 kg and charge +3 μC enters a region of space where there is a…

A: