A lunch tray is being held in one hand, as the drawing below illustrates. Ls 12 LA Answer L T The mass of the tray itself is 0.185 kg. and its center of gravity is located at its geometrical center. On the tray is a 1.43 kg plate of food and a 0.231 kg cup of coffee. Assume L1 -0.056 m, L2-0.115 m, L3-0.260 m, L4-0.365 m and L5- 0.390 m. Obtain the force T exerted by the thumb. Both the thumb and the finger forces act perpendicular to the tray, which is being held parallel to the ground. Your Answer:

Q: Unpolarized light with intensity 300 W/m² passes first through a polarizing filter with its axis…

A:

Q: A room has dimensions 2.58 m (height) x 4.29 mx 6.35 m. Afly starting at one corner flies around,…

A: Given,A room has dimension,

Q: attached at the end of the string. 7 is the tension in the string and a is the acceleration of the…

A:

Q: At one instant, the electric and magnetic fields at one point of an electromagnetic wave are E =…

A: Electric field Magnetic field

Q: I WILL RATE HIHG IF YOU ANSWER ALL POINTS PLEASE *13

A:

Q: An asteroid is discovered in a nearly circular orbit around the Sun, with an orbital radius that is…

A:

Q: You have a diffraction grating apparatus with a variety of line densities and a 425 nm purple laser.…

A: Solution:Given:λ = wavelength of light = 425 nm = 425 x 10-9 mθ = angle of diffraction for bright…

Q: Find the work done in the figure below. The magnitude of F= 50 N. The displacement is d= -3.0 m/ and…

A: To find the work done (W), you can use the formula:W=F⋅d⋅cos(θ)where:F = force vector,d…

Q: A copper calorimeter can with mass 0.100 kg contains 0.160 kg of water and 0.018 kg of ice in…

A: Mass of the copper can, mass of the water, mass of the ice, (these are in equilibrium)mass of the…

Q: A cart moves on a track located on the y-axis, and you are pulling on a rope with a force of 50…

A: F=50 lbyou have the rope over your shoulder 4 feet above the ground and walk 10 feet in front of the…

Q: Three toy blocks of mass mi, m2, and m3 are connected by a massless unstretchable string and a…

A:

Q: What was the speed of a space shuttle that orbited Earth at an altitude of 1882 km?

A:

Q: A 40-ton railroad car moving at 2mph along a level track strikes and is coupled to a stationary…

A:

Q: Mantles for gas lanterns contain thorium, because it forms an oxide that can survive being heated to…

A:

Q: Cold water is typically served at a temperature of 10°C. If the temperature of solid phase water (in…

A:

Q: (a) The force of gravity, F, between two masses, m and M, separated by a distance r, is given by…

A:

Q: If a laser emits light with wavelength lambda = 580 nm, then what is the energy of a single photon…

A:

Q: 1. A sandal is dropped from the top of a 12.0-m-high mast on a ship moving at 1.45 m/s due south.…

A:

Q: Thin lenses. Object O stands on the central axis of a thin symmetric lens. For this situation object…

A:

Q: The speed of a boat in still water is V. A river flows with a speed of v₁. The boat travels distance…

A:

Q: 7. If a closed system loses 3130 J of heat (to the surrounding environment) and 1,530 J of work is…

A:

Q: 1. A bullet of mass m = 0.1 km is fired from a gun and embeds in a wooden block of mass M = 0.9 kgm.…

A: Mass of bullet, m=0.1 kg Mass of wooden block, M=0.9 kgLet speed of the bullet is =u

Q: A tsunami produces a series of waves 100 km apart. If these waves reach shore every 15 minutes,…

A: Page 1

Q: 1. You have been selected to be the first person to travel to Mars, you are curious how strong…

A:

Q: Please answer the following question(s): 1. When a battery is connected to a capacitor (device that…

A:

Q: On a hot summer day, the density of air at atmospheric pressure at 34.5°C is 1.1866 kg/m³. (a) What…

A: Given data:pressure temperature density According to the ideal gas equation,Where, is the number of…

Q: Planet A is located 1.81 x 10^10 [m] away from its parent star. What is the radial acceleration of…

A: The objective of this question is to calculate the radial acceleration of Planet A, which is…

Q: Part A -  A ball is thrown straight down with an initial speed of 2.4 m/s from a height of 75 m.…

A:

Q: As a high-speed spaceship flies past you at half the speed of light, a light bulb in the center of a…

A: According to the theory of special relativity, the order in which events occur can depend on the…

Q: A drill, at its highest speed, rotates at 6500 rpm. If the drill takes 0.590 s to go from rest to…

A:

Q: Thermodynamics deals with the macroscopic properties of materials. Scientists can make quantitative…

A:

Q: A constant 15 N horizontal force is applied to a 15 kg cart at rest on a level floor. If friction is…

A: Given,horizontal force, mass of the cart, distance moved by the crate, initially cart is at rest so…

Q: A doctor using 3 MHz ultrasound measures a 6500 Hz frequency shift as the ultrasound reflects from…

A:

Q: (e) When m is momentarily stopped by the spring, by what distance d is the spring compressed? Enter…

A: The mass: m = 0.300 kg;The initial velocity: v0 = 0.300 m/s;The spring constant: k = 750 N/m;To find…

Q: The clarinet is well-modeled as a cylindrical pipe that is open at one end and closed at the other.…

A: The effective length of the column is L=0.391 m.The speed of sound is v=346 m/s.The wavelength of…

Q: 41. V A 276-kg glider is being pulled by a 1 950-kg jet along a = 2.20 m/s² to horizontal runway…

A:

Q: Figure 30.0 30.0 45.0° Find the tension in the cable in the arrangement (b). Express your answer in…

A: Given that,There is arrangement containing a suspended block and a strut.

Q: (a) 2v (b) (c) 2r (d) 2r (e)

A: Centripetal acceleration is the acceleration that an object experiences when it moves in a circular…

Q: Consider an object of mass 56.6 kg. Assume that it s made up of equal numbers of protons, neutrons,…

A:

Q: (Figure 1) shows a block of mass m sliding along a frictionless surface with speed vm. It collides…

A:

Q: We now focus on the take-off stage b to c in Figure 1. Squat stage lowest point of squat GRF, in…

A:

Q: A 5.00 x 105-kg subway train is brought to a stop from a speed of 0.600 m/s in 0.300 m by a large…

A: Mass of the trainInitial speedspring compressed to a distance

Q: Ten litres of water at 80 degrees Celsius flowed from a heating tap into a container of 30 litres of…

A: The density of water is 1000 kg/m3 or 1 kg/litreThe mass of flowing from the tap is m =10 litre * 1…

Q: 1. Calculate the velocity a spherical rain drop would achieve falling from 5.00 km: (a) in the…

A:

Q: The figure below shows the electric field lines for two point charges separated by a small distance.…

A: The electric field lines define the polarity of charge. When the same polarity charges are placed…

Q: p (atm) 3 2 1 similar problem, you may view a video Tutor Solution. <1 of 1 O isothermal O…

A:

Q: A monatmic gas follows the process 1-2-3 shown in the figure. How much heat is needed for: a.…

A: The pressure at 1 and 2 are P1=P2=3 atm.The volumes at 2 and 3 are V2=V3=300 cm3.The pressure at 3…

Q: A small car (mass 380 kg) is pushing a large truck ( mass 900 kg) due east on a level road. The car…

A: The mass of a small car Mass of a large truck The car exerts a horizontal force of  on the truck. We…

Q: Draw all possible loops separately to analyze the given electrical circuit. Identify possible…

A:

Q: Question 2 A 50kHz sinusoidal voltage has zero phase angle and a maximum amplitude of 10mV . When…

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.