A dresser is being pushed by one person and pulled by another such that is slides across the floor at constant velocity. If the coefficent of kinetic friction between the hairdresser and floor is 0.6 and the dresser weighs 300 N, Then how large is the force F shown. a) 105.2 N b) 138.4 N c) 211.1 N d) 58.9 N e )89.0 N

Q: Find the valur of force applied if work done is 320 J and displacement is 23 m

A:

Q: Q8: One gallon of paint (volume = 3.78 x 10° cm³) covers an area of 25.0 m². What is the thickness…

A: Volume is equal to the area times thickness. Therefore, Volume=Area×ThicknessV=A×t

Q: 15.7 kg toy is thrown by an angry child at a speed of 1.96 m/s. At the same time, another angry…

A:

Q: An object moving along a horizontal coordinate line has directed distance s(t) = t - 6t2 + 9t + 11…

A:

Q: What is the efficiency of an ideal heat engine that operates on a Carnot cycle between 70 °F and…

A: Given Lower temperature (sink temperature) = 70 °F high temperature (source temperature = 1000 °F.…

Q: A color television tube also generates some x rays when its electron beam strikes the screen. What…

A:

Q: Three ropes are arranged so as to support a 4 kg mass as shown below. T, ī A 60° T3 4 kg Determine…

A:

Q: A ray of light passing from water to air deviated 10 ̊ from its original direction. What is the (a)…

A:

Q: How many coulombs of charge are required to cause reduction of 0.25 mole of Cu2* to Cu? Multiple…

A:

Q: In a volleyball game held in BSU, A CE student player at position X serves the ball from a height of…

A:

Q: Find the net work done by friction on a box that moves in a complete circle of radius 1.82 m on a…

A:

Q: A Carnot engine requires 40kJ/s from the hot source. The engine produces 20kW of power and the…

A: Please see the answer below.

Q: Assume that the force of air resistance is proportional to the instantaneous speed of the toy, which…

A:

Q: an acceleration ☺ An oblect of mass 400ky is guven of 20msind the force exerted n the object. -2 2.…

A:

Q: You and another astronaut are in space.  You throw a tool to them that has a mass of 15kg.  Your…

A: Mass of tool, mt = 15 kg Your mass, my = 91 kg Other astronaut's mass, ma = 88 kg Speed of tool, vt…

Q: A ball is dropped from the top of an abandoned well. Exactly 6 seconds later, the sound of the bal…

A: initial velocity of the ball = 0 mslet the time taken by the ball to fall = t Let the time taken by…

Q: Light of wavelength 400 nm bombards a surface with work function 2.46 eV. What is the maximum…

A: Given data :- Wavelength λ = 400 nm Work function W = 2.46 eV

Q: in one optical instrument, what is the effect of using two diverging lenses?

A: Given : Asked what is the advantage of using two diverging lenses in one optical instrument.

Q: student of mass m = 56 kg runs at a velocity vi = 1.55 m/s before jumping on a skateboard that is…

A:

Q: A building is 60 m tall. A student wishes to drop a tomato from the top of the building onto the…

A: Given Height of the building is h=60 m Speed of the professor is v=1.7 m/s

Q: . A 300-g object slides 80 cm along a horizontal tabletop. How much work is done in overcoming…

A:

Q: A rectangular block of a certain material has a volume of 1 cubic meter and a mass of 1200 kg. a)…

A:

Q: A straight conductor carrying a current i - 3.0 A splits into identical semicircular arcs as shown…

A:

Q: 1. The study of an object's ability to flow Any object that has the ability to flow and change shape…

A: 1) Fluid dynamics The study of an object's ability to flow. 2) Liquid Any object that has ability to…

Q: As shown in the figure below, two long parallel wires (1 and 2) carry currents of I = 3.26 A and I2…

A:

Q: A 355-g object is attached to a spring and executes simple harmonic motion with a period of 0.260 s.…

A: a) Write the expression for the energy and substitute the required values to determine the maximum…

Q: A battery-operated car utilizes a 12.0 V system. Find the charge the batteries must be able to move,…

A:

Q: A ball is shot vertically into air at a velocity of 58.9 m/s. Five seconds later another ball is…

A:

Q: A stone is thrown vertically upward with a speed of 60 ft/s from a bridge. On the way down, the…

A: Velocity, u = 60 ft/s To convert ft/s into m/s divide the speed value by 3.281. Velocity, u = 18.288…

Q: FRICTIONLESS If mass ml=48, what should be mass m2 so that the system is in state of equilibrium, at…

A: Given Two angle of inclinations are θ1=30° and θ2=50° Mass of one block is m1=48   We have to find…

Q: A concave shaving mirror has a radius of curvature of +30.8 cm. It is positioned so that the…

A: Answer:-  Given  Radius of curvature (R) = + 30.8 cm  Focal length (F) = R/2 = (30.8)/2 = 15.4 cm…

Q: (a) Find the 2.0 Ω 1.0 2 equivalent resis- A tance between points A and B for the combina- 4.0 2 12…

A:

Q: friction for all contact surfaces is 0.25 and the pulleys are frictionless. 500N B 100N 4 T1 250N 3

A:

Q: ow much work is required to move a 450μC across a potential difference of - 200v

A: Given: The electric charge is  450 μC. The potential difference is -200 V.

Q: A 10.0 g marble slides to the left at a speed of 0.400 m/s on the frictionless horizontal surface…

A:

Q: In the figure ε1 = 3.76 V, ε2 = 1.05 V, R1 = 4.69 Ω, R2 = 2.72 Ω, R3 = 4.95 Ω, and both batteries…

A:

Q: The resistances in Figure (a) and Figure (b) are all 6.8 Q, and the batteries are ideal 23 V…

A:

Q: .A block of mass m2 (10 kg) on a smooth, horizontal surface is connected to a second mass m1 (5 kg)…

A:

Q: A vehicle drives around a flat circular corner with a radius of 105m. If the maximum coefficient of…

A: GivenRadius of circular corner, r=105 mMaximum coefficient of static friction between the wheels and…

Q: A bullet hits a wooden block on the underside and becomes embedded in it. The mass of the bullet is…

A: Let velocity of bullet + block system after collision is v  Now, by momentum conservation…

Q: Roger Federer whilst training for the Swiss Open tennis tournament hits a tenni ball with a speed of…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: The equation connecting s, p, and f for a simple lens can be employed for spherical mirrors, too. A…

A:

Q: Give a conclusion about accelerated motion

A: There are two types of motion. One is constant velocity motion and the other is accelerating motion.…

Q: Consider a thermometer in Fahrenheit scale and Celsius scale, both thermometers are immersed in a…

A:

Q: How does the time affect the distance traveled by a body

A: We can say that time and distance are travelled are related linearly in a uniform motion. As time…

Q: A 70 Coulomb charge is flowing to a copper wire whose length is 2500 m and has a cross sectional…

A:

Q: mags of the booly is 18K weight p

A: Given data :                 Acceleration due to gravity   =   g                       Mass of the…

Q: mass m = 0.200 kg sits on a frictionless, horizontal air track, connected to a spring with force…

A: Givenm=0.2 kgk=5 N/mInitial stretched length, xi=0.1 mRelease from restInitial velocity ,…

Q: 2. The acceleration of a particle is given by the (20 – 0.3s2) m а - s2 , where s is in equation…

A:

Q: How long will it take a 7.08 hp motor to lift a 250 kg beam directly upward at constant velocity…

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!