A counterweight of mass m = 3.60 kg is attached to a light cord that is wound around a pulley as shown in the figure below. The pulley is a thin hoop of radius R = 7.00 cm and mass M = 1.50 kg. The spokes have negligible mass. M m (a) What is the net torque on the system about the axle of the pulley? magnitude 2.058 x N-m direction to the right along the axis of rotation (b) When the counterweight has a speed v, the pulley has an angular speed = v/R. Determine the magnitude of the total angular momentum of the system about the axle of the pulley. (0.357 kg - m)v (c) Find the magnitude of the acceleration of the counterweight. 5.76 x m/s²

Q: how much heat is necessary to change the temp of 35g of aluminium at 90C to 12C in cal.

A: Mass of Aluminium, Initial temperature, Final temperature,

Q: A block of mass m-3,3 kg is pushed up on a frictionless inclined plane by a horizontal force F = 93…

A:

Q: Part (a) of the drawing shows a rectangular bar whose dimensions are Lox 240x34o. The bar is at the…

A:

Q: Q: An axial compressive load of 4000N was conducted on body of rock has a cross section 0.05 m by…

A:

Q: ar coll of radius 32.0 cm decreases from The component of the external magnetic held along the…

A: Number of turns = N = 18radius = r = 0.32 mArea = A =  = 0.3215 m2change in magnetic field = dB =…

Q: A space station shaped like a giant wheel has a radius of 102 m and a moment of inertia of 5.05 ×…

A: Write the expression for the initial total moment of inertia due to the wheel and persons and…

Q: A body of mass 3.5 kg makes an elastic collision with another body at rest and continues to move in…

A:

Q: 2) A standard motional emf setup in the xy consists of a constant, uniform magnetic field which…

A:

Q: - Fill in the blanks to identify the orbital shapes below. Write out your answer choice clearly in…

A:

Q: See the plot below (unit length is cm), the range of this electron in the matter is cm. B (-5, 7) 19…

A: To find the pathlength, we will use distance formula:From the given figure, we have:distance…

Q: I am typing 878,000,000,000,000 for a on this practice problem and it's saying that is incorrect.

A:

Q: Susan's 13.0 kg baby brother Paul sits on a mat. Susan pulls the mat across the floor using a rope…

A: The force of friction always acts in the direction opposite to the motion of the body.

Q: Give an equation for the infinitesimal change in entropy, ??, of a system in terms of the heat…

A: The infinitesimal change in entropy, dS, of a system can be given by the equation dS = dQ/T. Here,…

Q: The drawing shows a ray of light traveling through three materials whose surfaces are parallel to…

A:

Q: A spherical, concave shaving mirror has a radius of curvature of 0.609 m. What is the image distance…

A:

Q: A wire has a length of 0.10 m and is carrying a current of 14 A. When the wire is placed in a 8.0 T…

A: Length, L = 0.10 mCurrent, I = 14 AField, B = 8 TForce, F = 3 N

Q: A beam of unpolarized light carries 2000 W/m² down onto an air-plastic interface. It is found that…

A: The intensity of s polarized light is  = 300 W/m2 The intensity of p- polarized light is = 200 W/m2…

Q: A large block of mass 3.80 kg slides on a frictionless table and collides head-on with a small block…

A:

Q: A glass is half-full of water, with a layer of oil (n = 1.44) floating on top. A ray of light…

A:

Q: What is the threshold energy for the reaction Co+n→ 2Co+y?

A:

Q: In a two-lens system, the focl length of the lens is f1 = 4.00 cm, and that of then lens 2 is f2 =…

A:

Q: Light of wavelength λ = 410 nm is incident upon two thin slits that are separated by a distance d =…

A: Given Data:The wavelength of the light is The separation between the two slits is The distance of…

Q: Jane took 10 minutes to drive her boat upstream to water-ski at her favorite spot. Coming back later…

A:

Q: A pane of glass 4.0 cm thick has an index of refraction of 1.55 and plane parallel faces. It is held…

A:

Q: A 200 N uniform rod is tied horizontally to a wall at A by a string BC, whilst other end of string…

A:

Q: 3. Consider the 5s orbital: Hint: You can refer to Chapter 5 slide # 21, # 22, and #24 for help A)…

A:

Q: A spring with a mass of 6 kg has a natural length of 1.2 m. A force of 90 N is required to maintain…

A:

Q: How much work (in J) is done for an object moving from x=1m to x=5m?

A: As we  know work done(W) is given by the formula - W = Fd,F - Force, d - displacement.We also know…

Q: Consider a mass, ?, being held at the end of a string descending with downward acceleration ? from a…

A: The objective of the question is to find the expression for the tension in the string, F, in terms…

Q: A war-wolf, or trebuchet, is a device used during the Middle Ages to throw rocks at castles and now…

A:

Q: A bullet with a mass of 28 g is fired from a 2.8-kg gun that is stationary, but free to recoil.…

A: Mass of bullet (m) = 28 g = 0.028 kg (convert to kilograms)Mass of gun (M) = 2.8 kgVelocity of gun…

Q: A 0.0155-kg bullet is fired horizontally into a 2.14-kg wooden block attached to one end of a…

A:

Q: The driver of an 1600 kg car (including passengers) traveling at 24.0 m/s slams on the brakes,…

A:

Q: 2. When the 50-kg cylinder is released from rest, the spring is subjected to a tension of 60 N.…

A: Mass of cylinder, m=50 kg released from rest vi=0 Tension, T=60 N Cylinder had fallen h=200 mm = 0.2…

Q: PLEASE ANSWER IN SCIENTIFIC NOTATION USING E IF YOU CAN NOT ANSWER ALL OF THEM DO NOT RESPOND A…

A: 1)Write the lens equation and substitute the corresponding values to calculate the distance of the…

Q: Suppose you carry a bag of groceries weighing 145 N from your car to your kitchen, a distance of 35…

A: Weight, W = 145 NDistance, d = 35 mWork done, W = ?

Q: The intensity of electromagnetic waves from the sun is 1.4 kW/m² just above the earth's atmosphere.…

A: Intensity of an electromagnetic wave,                                    Area of back,…

Q: A 12kg barrel is pulled up by a rope. The barrel accelerates at 1.2 m/s^2. Find the force exerted by…

A: Mass, m = 12 kgAcceleration, a = 1.2 m/s²Force exerted by the rope, F = ?

Q: A force of F= (62 +43) N is applied on a 2-kg box that is originally resting at F1 = (32-23)m. If…

A:

Q: gure F max 0 X 0 2 4 6 8 10 1 of 1 t (ms) In the figure, what value of Fmax gives an impulse of 6.0…

A:

Q: What is the direction of the magnetic force on the current-carrying wire? X X X B ххх X ххх to the…

A:

Q: An exoplanet is in an elliptical orbit around a distant star. At its closest approach, the exoplanet…

A:

Q: A wheel is rotating clockwise on a fixed axis perpendicular to the page (x). A torque that causes…

A:

Q: High-speed ultracentrifuges are useful devices to sediment materials quickly or to separate…

A: The radius is The  angular speed  is The mass is

Q: Light bulb 1 operates with a filament temperature of 2400 K, whereas light bulb 2 has a filament…

A: The expression for heat emitted by bulb 1 is                                             ......…

Q: A 500 g particle moving along the x-axis experiences the force shown in (Figure 1). The particle's…

A: We have given the mass of the particle Initial velocity of the particle We have to findThe velocity…

Q: The heating coils in a hair dryer are 0.800 cm in diameter, have a combined length of 1.00 m, and a…

A:

Q: A freight company uses a compressed spring to shoot 1.60 kg packages up a 1.00-m -high frictionless…

A:

Q: A wire carrying a 30.0 A current bends through a right angle. Consider two 2.00 mm segments of wire,…

A: The objective of the question is to find the magnitude and direction of the magnetic field produced…

Q: For a certain optical medium, the speed of light varies from a low value of 1.90 x 108 m/s for…

A: The index of refraction () of a material is defined as the ratio of the speed of light in vacuum ()…