An object weighs 4.5 x 105 N is supported by steel cable, with cross-sectional area of 6.0 cm 2, the Young's modulus of cable is 2.0 x 1011 N/m2. Calculate the elongation of the cable if the weight hangs 30 m from support.

Q: Problem 1: Light of frequency 9.95 x 1014 Hz ejects electrons from the surface of a metal. If the…

A:

Q: Which of the following is false? a. Current is any motion of charge from one region to another. b.…

A: Option (d) More than one of the above

Q: What is the intensity of the transmitted light as a monochromatic light of 39 W/m^2 passes through a…

A: intensity of incident light = I0=39 W/m2 Angle = 550

Q: A circular disc with an area of 10m^2 is subjected to an electric field of 5N/C. The electric field…

A: Area of the disk, S=10m2 Magnitude of electric field, E=5N/C Angle made by the field with the axis…

Q: Grace ran 18.084 km in 1.000 h, a world record time. If her kinetic energy was 694 J, what was her…

A: Given Data : The distance traveled by Grace is given as d = 18.084 Km = 18084 m. The time taken by…

Q: A ball is thrown vertically upward with a speed of 39.0 m/s. (a) How high does it rise?  m (b) How…

A: According to guidelines we need to solve only first three sub-part kindly repost other parts in the…

Q: 1. A 15-kg medicine ball is thrown at a velocity of 20 km/hr to a 60-kg person who is at rest on…

A:

Q: A brass rod is .500 m long at 20.0°C. What is the length of the rod if it is heate to 50.0°C?

A:

Q: Particle A with a mass 0.02 kg is moving due east at a speed 2.0 m/s. Particle B with a mass 0.03 kg…

A:

Q: 42, Children in stage 3 use what to try to solve the balance beam problem?     Distance from…

A: A simple balance beam is an great example of balancing a body for the force and the torque. When…

Q: The current is found to be 12.4mA when the metal is illuminated with a wavelength of 184.2nm. What…

A:

Q: Why does touching the metal sphere with the electrophorus' metal plate change it's charge?

A: When we talk about the metal sphere that is basically a conductor having huge number of free…

Q: topic is double and triple integral  Set up, but do not evaluate, an integral for the electric…

A:

Q: An asteroid, headed directly toward Earth, has a speed of 12 km/s relative to the planet when the…

A: Solution

Q: If an X-ray machine produces photons with a frequency of 7.1 x 10^12 MHz. Calculate the wavelength…

A:

Q: 2.  Which among the following best describes the critical angle for TIR? It is an angle measurement…

A:

Q: Current is a measure of: amount of charge that moves past a point per unit time resistance to the…

A: As we know that, current at a point is given by the formula -              Current(i) =…

Q: In simple harmonic motion, the magnitude of the acceleration is greatest when: O the force is zero…

A: Introduction :- Here it is given that the acceleration in case of S.H.M is maximum. We need to find…

Q: A moving object is subject to conservative forces only. When its kinetic energy dereases by 10 J,…

A: Answer:- (B) It increase by 10 J  A moving object is subject to conservative forces only. When its…

Q: Briefly describe the movements of throwing a baseball by addressing the work, energy, torques, and…

A: Baseball physics is based on fluid dynamics. A pitch produces a turbulent wake of air behind the…

Q: The equilibrium length of the spring is 35cm. a force of 70N has been exerted to stretch it to 45cm.…

A: equilibrium length of spring = 35 cm = 0.35 m force applied (F) = 70 N new length (L') = 45 cm =…

Q: A prototype laser weapon tested in 2010 used a laser with an infrared wavelength of 1.06 µm, because…

A:

Q: Find the mass of a body whose weight on Earth is 100 N

A: Given value--- Weight = 100 N . We have to find--- mass of body?

Q: Find the Equivalent Capacitance of the network of Capacitor if C1 =68μF and C2-88μF 5.0 μF 24 μF :C₂…

A:

Q: Distinguish between ammeter and voltmeter.

A: Ammeter : an electronic device is used to measure the current in amperes  is called Ammeter…

Q: An AC voltage of the form Av= 100 sin 1 000t, where Av is in volts and t is in seconds, is applied…

A: Given value--- V = 100 sin ( 1000 t) . R = 470 ohm. C = 5.40 micro F . L = 0.5 H . We have to…

Q: Which of the following is true? Based on Ohm's law, the current density in a conductor is inversely…

A: second option is true

Q: 1. A 10 000-N shark is supported by a cable attached to a 4.00-m rod that can pivot at the base. 2.…

A:

Q: Determine the reactions at A and B for the beams loaded as shown. Beam weight may be neglected. |50…

A:

Q: Which among the following situations DO NOT show that electromagnetic waves are generated and are…

A: EM waves produced by an equipment help in bone imaging It is correct statement.X-ray is use by an…

Q: A vibrating rope has a fixed tip (5 Hz), amplitude (12 cm) and a transverse wave velocity (20 m/s).…

A: The Wave number of a wave I given  by k = 1/ λ = f/v  λ is wavelength of the wave. f is frequency of…

Q: The drift velocity inside a conductor is: directed perpendicular to the direction of the electric…

A: Drift velocity is a average velocity of electron inside a conductor due to applied external electric…

Q: 9. A dot is drawn on a piece of paper and a glass prism placed on the dot according to the diagram.…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The pressure exerted on the ground by a man is greatest when: O all of the other choices yield the…

A: Pressure - Force per unit perpendicular area is the pressure. So when the area is minimum then the…

Q: 1. Explain why Induced Polarization (IP), as well as resistivity, is often successful for detecting…

A: Sulfide minerals are a group of compounds with the presence of sulfur. The most abundantly available…

Q: What indicate the precision of the systolic pressure The onset of K sounds indicate systolic…

A: The average Finapres systolic bias (IAP - Finapres) was 2.2 mm Hg (s.d. ±12.4) with limits of…

Q: What can you say about this picture?

A: Given: from the given diagram. The applied force is F. The displacement of the object is D. The…

Q: The magnetic force acting on a current carrying wire is 7.0 N. What must the length of wire be if…

A: Given value--- magnetic force = 7 N. current = 3 Amp . magnetic field = 2.1 T . We have to find---…

Q: if traveling 88 feet per second is the same as traveling 60 miles per hour, how fast in feet  per…

A: Given, 88 feet per second = 60 miles per hour 88 fps = 60 mph 1mph=88/60fps We have to find how many…

Q: What indicate the precision of the systolic pressure The onset of K sounds indicate systolic…

A:

Q: The system in Figure 1 is in equilibrium with the string in the center exactly horizontal. Find: a.)…

A: b) First determine the tension in the string 1. We know the vertical component of string 1 must be…

Q: Explain the differences in pressure with the arm in different positions. Hint: the pressure in a…

A: Write the expression for the pressure. The pressure is directly proportional to the height of the…

Q: 4. A motor having an efficiency of 90% operates a crane having an efficiency of 40 %. With what…

A: Speed of the object lifted depends on the Ratio of the gear or pulley  which enable the motor shaft…

Q: The vibration analysis for simple harmonic motion can be raised from the equilibrium position…

A: Newton’s first regulation means that an item oscillating backward and forward is experiencing…

Q: Four charged particles are arranged in the manner as shown below. The four have the same magnitude…

A:

Q: ustrate and solve the following problems. Show the complete solution (in GRESA format), always…

A: Given:-  m = 0.350 kg , u1 = 1.50 m/s  M = 0.50 kg , u2 = 0.75 m/s  The final velocity of the…

Q: Find the centre of mass of the 2D shape bounded by the lines y = +1.5x between x = 0 to 1.5. Assume…

A: We have to find the mass and moment

Q: 5. A 700-N man bringing the ma of the net, comp

A:

Q: A circular steel wire 2.00 m long must stretch no more than 0.25 cm when a tensile force of 400 N…

A:

Q: Four charged particles are arranged in the manner as shown below. The four have the same magnitude…

A: Coulomb’s law calculates the magnitude of the force F between two point charges, q1 and q2,…

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).