A light triangular plate OAB is in a horizontal plane. Three forces,F1 =10 N, F2 = 6.1 N, and F3 = 7N act on the plate, which is pivoted about a vertical axis through point O. In the figure, consider the counterclockwise sense as positive. The sum of the torques about the vertical axis through point O, acting on the plate due to forces F1, F2, and F3, is closest to: (the answer's unit is Nm)

Q: The patient's fever, it turns out, is being caused by the patient's own body generating too much…

A: Given The patient will produce 1683 joules of excess heat each minutefor 12 full hours before the…

Q: Problem 4: A block of mass my = 14 kg slides along a horizontal surface (with friction, μk = 0.26) a…

A:

Q: To maximize the magnification of a telescope, what is the best combination of the focal lengths of…

A:

Q: The voltage in circuit is 30 V and resistance is 4 ohms find current ?

A: Given Voltage in the circuit = 30 V  Resistance of the circuit = 4 Ohms To find out Current in the…

Q: You charge a piece of aluminum foil (mass = 2.35 g) by touching it to a charged rod. The charged rod…

A: Given : Mass of aluminum foil = 2.35 g = 0.00235 kg Weight of aluminum foil  = 0.00235*g Weight of…

Q: Some incandescent light bulbs are filled with argon gas. What is Vrms for argon atoms near the…

A:

Q: What is the radius of the 3rd orbital in hydrogen? [?] × 10²] m

A:

Q: yacht is traveling 35° west of south at 15 miles/hour in still water. Find the component form of…

A:

Q: For a PET Positron Emission Tomography procedure, a patient is injected radioisotope, and after a…

A: For PET procedure, a patient is injected with radioactive isotope of fluorodeoxyglucose (FDG), a…

Q: Problem Solving no. 3: See the circuit diagram below. Determine the current I. (Input the final…

A: When two resistances are in parallel then their equivalent resistance is given by Req=R1R2R1+R2 When…

Q: Data Simulated Data Simulated i Simulated V V₂ Computed Data Computed V V₁ Computed Power, P P₁ =…

A:

Q: Where a>b the distance between the points (a, c) and (b, c) is (a-b) units. true or false

A: Given that a > b. We have to find distance between points (a, c) and (b, c).  Take c as origin.

Q: A force of 200 N is applied to an object of area 4 m² Calculate the pressure ?

A: Pressure = (Force)/(Area)

Q: Problem 6: Some College Physics students are studying periodic motion using an oscillating mass on a…

A:

Q: What do you think will happen if water is used in a thermometer instead of mercury?

A:

Q: What happens to the speed of sound in air in an increasing temperature?    a.decreases b.increases…

A: 1. If temperature increases the speed of sound in air also increases.  Speed of sound is directly…

Q: A vehicle is moving along a straight line having an initial speed of 10 m/s. It is experiencing a…

A:

Q: 2nd question: give an example of a process with negative work why is work negative in your example?

A:

Q: A rock climber throws a small first aid kit to another climber who The initial velocity magnitude of…

A: GivenInitial velocity of kit, u=11 m/sangle ,θ=65°

Q: Mass M1= 20kg and is initially moving to the right at a velocity of V1= 15 m/s. Mass M2 = 5kg and is…

A:

Q: Find the wavelength of light given off by a hydrogen atom when its electron drops from the n = 4 to…

A:

Q: Superman must stop a 105-km/h train in 100 m to keep it from hitting a stalled car on the tracks.…

A: GIVEN Speed of train = 105 km/hr Distance traveled = 100 m Mass of the train = 3.6 x 105 kg To find…

Q: A metallic weight is suspended from a metal spring. What would happen if now a current is passed…

A:

Q: What is the impedance of a series L-R-C circuit with L = 10 [mH], R = 0.1 [kN], C = 1.0 [μF] and w =…

A: The given parameter                       L = 10mH = 10*10-3H                       R = 0.1kΩ = 100Ω…

Q: A boll rounds a 20 m radius curve at 10 m/s. The magnitude of it's in m/s² acceleration

A:

Q: The 305 m diameter Arecibo radio telescope detects radio waves with wavelengths from 3 to 100 cm.…

A: Write the expression for the angle between two-point sources and substitute the required values.

Q: One concert hall is twice as large as another. The temperature of the air in the second hall is 30%…

A: Given One concert hall is twice as large as another  The temperature of the air in the second hall…

Q: A 65 cm wire carries a current of 21 A. In the presence of a 0.47 T magnetic field, the wire…

A: Given Length of the wire  L =65 cm wire carries a current of 21 A ( I ) Magnetic Field  B= 0.47 T…

Q: A homeowner uses a snow blower to clear his driveway. Knowing that the snow is discharged at an…

A:

Q: An organ pipe is open at both ends. It is producing sound at its n = 2 harmonic, the frequency of…

A:

Q: (Law of cooling) A thermometer showing 10 C is brought into a room whose temperature is 25°C. After…

A: Initial temperature of the thermometer To=10oC, temperature of the surrounding Ts=25oC and…

Q: In an exercise class, a PE teacher instructed a student to do a chin up. Compute for the power…

A: Mass of student (m) =42 kg Distance travelled (h) =0.25 m Work done by student during this…

Q: 6. An elevator is lifting two people at constant velocity from the first to the twentieth floor of…

A: Mass of elevator (M) = 1000 kg Elevator is lift up by 90 metre  So change in potential energy=…

Q: Figure 2 shows the directions of the speed v with which a positive charge moves and of the magnetic…

A: Given : Direction of velocity of positive charge is inside the plane Direction of Magnetic field is…

Q: A force of 200 N is applied to an object of area 4 m² Calculate the pressure ?

A: A force of 200N is applied on an object of area 4m^2

Q: Find density of object of mass 295 kg which accupies space of 6 m³ ?

A: Given Mass of object M = 295 kg Volume occupied  V = 6 m3 To find Density of object

Q: One concert hall is twice as large as another. The temperature of the air in the second hall is 30%…

A: The resonant frequency for smaller Hall is 40 Hz.

Q: The charges and coordinates of two charged particles held fixed in an xy plane are q₁ = 2.10 µC, X₁1…

A: According to guidelines i will solve only three subparts

Q: Why does a child in a wagon seem to fall back when you give the wagon a sharp pull forward? Explain…

A: The law of inertia is another name for Newton's first law of motion. Unless a net external force is…

Q: Find the value of kinetic energy of car mass 20 kg moving with velocity 3 m/s

A: Given data : Mass of car=m Velocity of car=V   Required : Kinetic energy

Q: A very long cable made of a solid inner cylinder and a coaxial, cylindrical, outer shell with finite…

A:

Q: A straight wire segment I L = (3.0 [A])(4 [cm] Î +3 [cm] ĵ) is in a uniform magnetic field B = 2.0…

A:

Q: Calculate the wavelength of red light.

A: Wavelength of visible light ranges from 490nm- 700 nm .

Q: he surface tension, in N/m, of a small drop of water 0.30 mm in diameter which is in contact with…

A: GivenDiameter of water droplet, d=0.3 mm=0.3×10-3 mPressure inside the droplet, P=589 Pa

Q: The resistances in Figure (a) and Figure (b) are all 8.9 02, and the batteries are ideal 39 V…

A: A. Change in the electric potential when switch is open is 19.5v B.  Change in the electric…

Q: A Van De Graaff generator is used to charge a metal sphere of 25-cm diameter metal that produces a…

A:

Q: Part I. Kirchhoff's Laws in 2 Loops. a. Find the necessary KVL/KCL equations to solve the problem.…

A:

Q: brine solution with density of 1230 kg/m³ moves through a constricted pipe in steady, ideal flow. At…

A:

Q: Problem 16: In the analysis of a block-spring system undergoing simple harmonic motion, the mass of…

A:

Q: An object is dropped from a height of 40 meters. Calculate: a.) its final velocity as it hits the…

A:

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.