What is working distance?

Q: +00 show that S s'ca)frardz =- flo).

A: solution is given by

Q: When we crack a whip, a loud noise is created. Why?

A: When we crack a whip, speed of the tip is greater than that of sound. If the speed of a source is…

Q: Calculate the amount ofinward forceon youreardrum at the bottom of a 5mdeep pool and compare it to…

A: Density of water(d)=1000 kg/m3 height (h)=5m  pressure at bottom=atmospheric pressure +dhg…

Q: What is the effect of varying object distance?

A:

Q: Write a short note on time.

A: In physics time is a fundamental quantity. Time can be monitored by using a clock. Basically in…

Q: Why is there an irritating sound when we write on the board with a piece of chalk held in hand?

A: There an irritating sound when we write on the board with a piece of chalk held in hand because ....…

Q: A weight is hung on the other end of the spring suspended from one end to the ceiling, and the…

A: The mass-elastic system is gradually brought into balance, which means the mass starts from the rest…

Q: What happens to the power that is released as sound travels through the air?

A: We need to answer what happens to the power that is released as sound waves travel through the air

Q: A lightening strike 2 km away creates a sound of thunder by making a shock wave in air from the…

A: Distance d = 2 km speed of sound = 340 m/s speed of light = 3 x 10^8 m/s so when thandurstroam took…

Q: The cafe buzzed with activity.

A: If the café is noisy, it is not cozy.

Q: A tennis ball bounces on the floor three times. If each time it loses 22.0% of its energy due to…

A: Given Loss in energy after each bounce = 22% Initial height = 2.3 m Required Final height

Q: What must a teacher know about magnatization that learners must not know at the begging of then…

A: Teacher must know almost all the concept of magnetism like a ferromagnetic substance can also be…

Q: Write a short note on motion?

A: Motion ​​is the change in the position of an object with respect to its surroundings over a period…

Q: What is restoring force?

A: A restoring force is a force that acts to return a body to its original position. The restoring…

Q: Imagine you have a 400 gram mass. If you hold the mass at the spring’s equilibrium. Calculate how…

A:

Q: The bells of temple are big in size. Why?

A: The bells of a temple are made big in size, so that they can have a low resonant frequency. The…

Q: llestrate he sfiection Principle wit the hell af examples.

A: SOlution: To define priciple of reflection.

Q: Bettina spoke into a microphone during the school play to increase the sound of her voice so the…

A:

Q: What Do You Mean By Am Performance?

A: Bandwidth It determines the no. of channels are available in a specific band. We know there could…

Q: Hello, can you help me with this question?

A:

Q: what is theramal energy

A: The energy possessed by a system due to the movement of the particles within the system is known as…

Q: Reproducibility gives individuals a sense of invisibility. Select one: O False O True

A: We are asked to say whether the given statement is true or not

Q: oof aluminu liba bively. Car

A: simple buoyant force formula is enough to solve the question easily.

Q: A particular extension cord can support up to 8 amps. Mo has an iron whose label states 1200 watts…

A: Power P = 1200 W Voltage V = 120 V

Q: A 100g (1kg) apple is located on a branch 2m high from the ground. What is it’s PE?

A: Given data The mass of the apple is given as m = 1 kg. The height of the apple from the ground is h…

Q: What are the benefits of using proper equipment in playing badminton?

A: What are the benefits of using proper equipment in playing badminton

Q: Why is LED the best energy efficient light.

A: LED is light emitting diode .It emits light in form of photons when suitable voltage is applied…

Q: How does a bee buzz?

A:

Q: A soldier sees the flash from a cannon that is fired in the distance and 10 seconds later he hears…

A: The velocity of an object is define das the ratio  of the displacement of the object to the time…

Q: does

A: When there is a change in the magnetic field then there will be currents induced in the coil due to…

Q: what is the frequency of light with a wavelenght of 5.10x10-7m

A:

Q: Particles of mas 4kg and 2kg are coenected by a light sering paing over a mooth fised pulley. The…

A: We have 2 blocks of mass m1=4kg and m2=2kg tied to string with tension T over a pulley. Let the 4kg…

Q: What term best describes the phenomenon shown in the diagr below?

A: Please see the answer below

Q: e res int usine hear Pad-

A:

Q: A pair of scissor has its blades 15cm long, while its handles are 7.5cm long. What is its mechanical…

A: According to the principle of moments, Moments of load about the fulcrum is same as the moment of…

Q: The question is attatched down below.

A: Given- Your weight W=750N The weight of your belongings is Wb=1000N The displacement of the elevator…

Q: What answer would I put for the three questions in the picture?

A: Here, we have to calculate the free body diagram.

Q: A 0.072 kg mass uses the potential energy of a spring in acquiring a speed of 0.4 m/s when the…

A:

Q: why a sonic boom occurs when something travels faster than the speed of sound.

A: Sound, as a wave travels with a finite speed. At standard atmospheric conditions of 20° Celsius,…

Q: Qlif f Smnlis the Kronec Ker agencyy, then(t- Smn =ot when? Choose the answer 4/m <h

A:

Q: what is a potientometer?

A: We are asked to define a potentiometer.

Q: LO The tenge hnnthefghd 10 om andom The chag nd

A: q1 = 5 C q2 = 8 C  Length , L = 10 cm = 0.1 m Breadth , B = 6 cm = 0.06 m q3 = 2 C To find = Work…

Q: CommonLit | MY A. SHLIVEWORKSHEETS Chick ALA Target Cinema Park School Mall Home

A:

Q: tive aser ea

A: 7 Answer -(A) Adaptive optics a new technology that deformable mirror system with lasers .