Use graphical method to answer the given problems. A student going to school walked 1.00 km north and then 2.00 km east on a horizontal ground. How far and in what direction is she from the starting point?

Q: An astronaut has left the International Space Station to test a new space scooter. Her partner…

A: A) initial velocity (u) = 15 ms , towards right final velocity (v) = 5 ms , towards right

Q: 26.23. In the circuit shown in Fig. E26.23 find (a) the current in re- sistor R; (b) the resistance…

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Q: How to find the direction of the induced field, the direction of the current, and the polarity of…

A: Electric and magnetic fields (EMFs) are invisible areas of energy, often referred to as Radiation,…

Q: 7.4. A 72.0-kg swimmer jumps into the old swimming hole from a diving board 3.25 m above the water.…

A: Use energy conservation to find his speed just he hits the water if he just holds his nose and drops…

Q: 26. Which of the following is used as high-power microwave oscillator? a. Reflex klystron b. TWT c.…

A: The answer of the question 26, 27 and 28 are written below :

Q: Calculate impulse Force=10.75 N Time 3 s

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Q: A long, straight wire carries a 6.0-A current that is directed in the positive x direction. When a…

A: Magnetic field The magnetic field is the region where the forces due to the field are felt. The…

Q: A B A. B. ㄴ 2A A

A:

Q: A water balloon is fired at 34.0 m/s from a water cannon, which is aimed at an angle of 18° above…

A: Since cos(18°) = adjacent/hypotenuse then cos(18°) = v0x/34.0 or v0x = 34cos(18°) = 32.336 m/s Since…

Q: An electric iron of resistance 13 ohms takes a current of 2 A. Find the heat developed in 6 seconds

A: Resistance, R = 13 Ω Current, I = 2 A Time, t = 6 s Heat, H = ?

Q: What is the magnitude of the electric field intensity at a point where a proton experiences an…

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Q: Three identical point charges of magnitude 6nC are placed at the three corners of a square 40mm on a…

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Q: Your favorite radio program broadcasts 96.3 MHz. What is the wavelength corresponding to this…

A:

Q: diffraction

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Q: Identify whether the statement is TRUE or FALSE 1. Centrifugal field is inversely proportional to…

A: Centrifugal force is given by F =mω2rWhere, m=massω =angular velocityr =radial distance

Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

A:

Q: 9. You are about to take a picture of a bullet traveling at 250 m/s, then a very brief flash of…

A: A quick shutter speed is used to limit the exposure and limit blurring but when you are taking about…

Q: If the top of a tower is 4569.5 meters away from an observation balloon and the angle of depression…

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Q: Ifa 4.3 cm doll is standing away from a converging lens and the focal length is 8.2 m, find the…

A:

Q: In the figure shown: is the same for point A and B. What is the acceleration(m/s²) of the block in…

A: he forces acting on the slope  are block weight and the contact force of the slope, which has a…

Q: A missile runs freely without of fuel in the location as shown in figure.2, calculate:- 1-…

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Q: If an 8 cm doll is standing away from a diverging lens and the focal length is 6 m, find the image…

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Q: A student claims that capacitors in parallel combinations have greater equivalent capacitance…

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Q: Output of a truck is 4500 J and its efficiency is 50%, input energy provided to truck is A. 5000 J…

A: Given data :- Output energy = 4500 J efficiency  η = 50 % = 1/2

Q: Calculate the linear momentm of 25 GeV proton assuming that rest mass energy of the proton is 1 GeV.

A: Given information: Energy of the proton E=25 GeV. Rest mass energy of the proton E0=1 GeV. The…

Q: calculate critical frequency of glass panel of 5mm thickness and aluminium of 0.5mm thickness

A: Critical frequency of glass, f = 12500t Hz Where, t is the thickness of the glass in mm. Critical…

Q: 1.) Gases in the atmosphere keep the temperature in a range to support life on earth. 2.) There is…

A: Given : To state true or false.

Q: How much current does a long wire carry if it produces a magnetic field of magnitude 4.6 microteslas…

A: Strength of magnetic field (B) = 4.6 × 10-6 T  Field distance (r) = 0.21 m

Q: A player throws a ball with mass of 100 grams at an initial velocity vo = 25 m/s with an angle 8 =…

A: 1. Using conservation of Total Mechanical Energy is the most appropriate method to be used for…

Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

A:

Q: give an example of equilibrium process and explain based on thermodynamics

A: Thermodynamics: Thermodynamics deals with different types of processes where the energy interaction…

Q: 1. What is yif v = 0.650c?

A: Unknown: Find the Lorentz factor of particle.

Q: An object is placed at a distance of 1.5 focal lengths from a convex mirror. What type of image is…

A: Convex mirror is kind of curved mirror in which the reflective surface bulges out towards the light…

Q: Find the value of acceleration Initial velocity=0 m/s Final velocity=10 m/s time=2 s

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 10 m/s Time (t) = 2 s Required:…

Q: Cobalt-60 has a half-life of approximately 5 years. If 53 g of the material was stored for 20 years,…

A: Half life period means the time taken for a radioactive material to be decayed to half of it's…

Q: A light of wavelength 589 nm passes from air to a diamond. The thickness of diamond is 4.2 x 10⁹ m.…

A: Given: The wavelength of light in the air is 589 nm. The thickness of the diamond is 4.2x10-9 m.

Q: The moon's period of revolution around the Earth is 27.3 d. How far away is the moon from the…

A:

Q: The voltage in circuit is 42 V and resistance is 10 ohms, find the current ?

A: Given value--- Voltage = 42 V . resistance = 10 ohm . We have to find--- current?

Q: If you wish to take a picture of a bullet traveling at 500 m/s, then a very brief flash of light…

A: A Flash tube is an electric lamp which is used to produce extremely intense white light for a very…

Q: The various lines represent paths taken by different people walking in a city. All Ocks are square…

A:

Q: Given data: Current = 22 A Resistance = 30 ohms Find the voltage

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Q: A guard on top of a castle shoots an arrow directly downwards. The arrow has a speed of 9m/s when it…

A: (a) Arrow falls under the gravity. So it's acceleration will be equal to acceleration due to…

Q: Calculate the equivalent resistance. 10.67 ohm   6.67 ohm   26.67 ohm   46.67 ohm   No answer

A: Given data:  Three equal resistors of 20 Ω are connected in parallel combination This parallel…

Q: The 5th experiment on Combination of Resistors deals with unequal voltages in series and equal…

A: 5th experiment When two or more than two resistors are connected in series then this combination is…

Q: An object is placed 30 cm from a convex mirror with a focal length of 10 cm. Where is the image…

A:

Q: An object of mass 18 kg is at a certain height above the ground. If the potential energy of the the…

A: Mass, m = 18 kg Potential energy, U = 210 J Acceleration due to gravity, g = 10 m/s² Height, h = ?

Q: Find pressure Force=2.5 N Area=1 m2

A: Given data : Force=F Area=A   Required : Pressure1 m2

Q: Situation 12 - A triangular plate of height h - 1.20 m and base b- 2 m is submerged vertically in…

A:

Q: Find the force applied Work done=28.32 J Displacement=2 m

A: Given data : Displacement=d Work done=W   Required : Force

Q: A 100 m long steel beam is moving past the Earth . Observers on the Earth measure the steel beam to…

A: length contraction formula lrest frame=l01-v2c2

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.