Suppose you use an ideal pulley of the type shown in Figure 5.18(a) to support a car engine of mass 105 kg.   (a) What would the tension in the rope be? Answer in N (b) What force must the ceiling supply, assuming you pull straight down on the rope? Neglect the pulley system's mass. Answer in N (upward)

Q: NA football player of mass 95 kg is running at a speed of 5.0 m/s down the field as shown in Figure…

A: A football player of mass, m1 = 95 kg is running at a speed of v1 = 5.0 m/s down the field as shown…

Q: The wavelengths of the visible spectrum are approximately 400nm (violet) to 700nm (red). Find the…

A:

Q: Find the orbital period of a satellite in a circular orbit 600 km above the surface of the earth.…

A:

Q: 1. An iron plate 2cm thick has a cross-sectional area of 5000cm?. One face is at 150°C, and the…

A: Given  Thickness of plate (L ) = 2 cm                                           = 0.02 m   Area of…

Q: A racing car has a uniform acceleration of 20 m/s?. What distance will it cover in 16 seconds after…

A: Given data:  Acceleration (a) = 20 m/s2 Initial velocity (Vi) = 0 m/s Time (t) = 16 s Required:…

Q: Mass 40 kg Kinetic energy 1200 J Find velocity ?

A: Given data:  Mass (m) = 40 kg Kinetic energy (KE) = 1200 J Required: Velocity (v)

Q: 2) Microwave ovens are authorized to use the following frequencies: 900 MHz and 2,560 MHz. 2A) What…

A:

Q: A 200 Q resistor has a certain colour code. If one replaces the red colour by green in the code, the…

A:

Q: A force of 146 N is applied to an object of area 4 m2. Calculate the pressure ?

A:

Q: A solenoid is used to create a 27.0 mT magnetic field at its center. It has a radius of 1.40 cm and…

A:

Q: 1) If A = 3a, -4a, and B=5a, +2az. Find the vector component of A in the direction of B.

A:

Q: 29. Ocean waves lap against a deserted beach once every 5 seconds. If there are about 10 meters…

A:

Q: A car engine accelerates a 1000 kg car from rest to 14 m/s in 6.5 s. How much power does the engine…

A:

Q: mass of 3 kg descending vertically downwards Supports a mass of 2 kg by means of a light string…

A: Here, we calculate  the height  of object  as given follow;

Q: A full-wave bridge-rectifier circuit with a 110 O load operates from a 16 V (peak-to peak) 50-H2…

A:

Q: A force of 146 N is applied to an object of area 4 m2. Calculate the pressure ?

A: Given data :      Force  =  F     Area   =   A        To find :       Pressure

Q: The optimal angle of elevation θ that a​ shot-putter should aim for in order to throw the greatest…

A:

Q: A block kept on a rough inclined plane, as shown in the figure, remains at rest up to a maximum…

A:

Q: If an object with a mass of 1.7 kg changes it speed from 4.54 m/s to 7.82 m/s, what is its change in…

A:

Q: A parallel plate capacitor has a plate area of 1.0 m2 and a separation of 1.0 mm. The potential…

A: The plate area of the parallel plate capacitor is A=1.00 m2 The separation between the plates is…

Q: Calculate the total time of the projectile launched at an angle of 30degrees and has an initial…

A:

Q: ): Find N and theta. The red vector is the resultant. 4N 30° 45° 20° 10 5.5 N 7N 6N Find the value…

A:

Q: A 25-kg projectile is fired vertically upward from the ground. If the velocity is 35 m/s at 5 m…

A: Given, Mass=25kg Velocity=35m/s

Q: 5. A 1.5 kg ball is thrown at 10 m/s. What is the ball's momentum? Given: Formula: Unknown:…

A: Given:  Mass (m) = 1.5 kg Velocity (v) = 10 m/s Unknown: The ball's momentum (P)

Q: What air pressure produces this force?

A: The image below explains the actual scenario.  Let P= Pressure of the compressed gas. Therefore,…

Q: rotating body/system can be in equilibrium if   i. no angular acceleration. ii. it has constant…

A:

Q: The ends of a 21.2cm long, 1.7cm diameter rod are maintained at 0°C and 100°C by immersion in an…

A:

Q: 7. A 45 N force is being applied to a lever a distance of 0.75 m away from the lever's axis of…

A: Torque is the measure of how much a force acting on an object causes that object to rotate. τ =…

Q: 2. Two point charges, +q and -q, are placed as shown. Rank the five points labeled A, B, C, D, and E…

A: Electric field concept is use here.

Q: a. Assuming the given coordinate system below and the location and mass of the following four…

A: We have four masses MA=3.5 kg, MB=2 kg, Mc=5 kg and MD=2 kg at positions rA=(0,0), rB=(2,1),…

Q: Three equal resistors, when connected in series, together consume electrical energy at a rate of 15…

A: Power consumed in series= P= 15 watts Power consumed in parallel = ?

Q: A 3.0 -m bar moving through a uniform, 2.5 -T magnetic field with a speed of 2.0 m/s, oriented as…

A:

Q: Two charges Q1 = +3 nC and Q2 = -5 nC are separated by 8 cm. Calculate the electric potential at…

A: Given data:  Two charges Q1 = +3 nC = +3×10-9 C Q2 = -5 nC = -5×10-9 C Distance of charge Q1 from…

Q: Example 21.44. A particle of mass m can oscillate about the position of equilibrium under the effect…

A:

Q: In theory, a current carrying wire will have a magnetic field. What are various ways to run a…

A: Connecting the wire's ends to a voltage source, such as a battery or a cell, allows current to flow…

Q: The following statements are false either under some circumstances or all circumstances. Please give…

A:

Q: Light of wavelength 556 nm from a light source illuminates a single slit of width 0.1 mm. What is…

A:

Q: 1. Determine the force attraction between charge Q1 and Q3. 2. Determine the electric field…

A:

Q: 1. A car accelerates from rest for 6 seconds with a constant acceleration of 1.5 m/s?. Find the…

A: Given  Vi = 0 acceleration ( a ) = 1.5 m/s2 We   have   to  find  out  velocity…

Q: A pipe has a length of 0.728 m and is open at both ends. Take the speed of sound to be v = 343 m/s.…

A: (a) Calculate the two lowest harmonics of the pipe (in Hz) when pipe is open at both the ends.…

Q: 1. A car accelerates from rest for 6 seconds with a constant acceleration of 1.5 m/s?. Find the…

A: Given data : Time=t Acceleration=a Initial velocity=U   Required : Final velocity

Q: (1a). Black body has emissivity value of 1, but in reality, the emissivity of real objects is less…

A: 1a Black body has emissivity value of 1 and they are supposed to absorb all the incident energy upon…

Q: Sam brings a positvely charged balloon near to the conducting metal. While the balloon is near, Sam…

A:

Q: section (a part) of cular disc of radius The mass of the ction is M. Find the o- oment of inertia of

A: Solution of this type is que. Is solve by intgral method

Q: 3. A has a A playground small child with mass 35.0 kg runs at a velocity of 2.50 m/s along a path ta…

A:

Q: 3 ст 3 cm 91 q2 q: = Q= 4.5 nC, q, = -4.5 nc

A: Given:

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

A:

Q: A cheering squad is made up of four members: Ping of 75kg moving 3.0 m/s, North; Manny of mass 70kg…

A: Given : Mass of Ping = 75 kg Velocity of Ping = 3 m/s North Mass of Manny = 70 kg Velocity of Manny…

Q: cite1-2 examples of equipotential surfaces and field lines.

A: An equipotential surface is a surface that is the locus of all points which have the same potential.…

Q: An electromagnetic wave has a wavelength of 1000 m. What band of the electromagnetic spectrum is…

A: