Find the density

Q: r(cm) P(mW) 2.2 lo 15 O. 4 20 25 O. 2 Plot agraph between power and distance.

A: r (cm) Power (mW) 5 2.2 10 0.9 15 0.4 20 0.3 25 0.2

Q: e maximum magnetic field strength of an electromagnetic field is 4.30x10-6 T. Calculate the maximum…

A: For a electromagnetic wave the ration of electric to magnetic field is speed of light. E/H = speed

Q: 7- EXAMPLE 23-13 Object close to converging lens. An object is placed 10 cm from a…

A: Given that, Object distance (u)= -10 cm Focal length (f)= 15 cm Let the image distance be v

Q: A heart defibrillator being used on a patient has an RC time constant of 11.0 ms due to the…

A:

Q: A basketball (spherical shell) with r = 1.4m and m = 2.9kg rotates about its axis due to a…

A:

Q: If it is spinning with an angular acceleration of 2.6rad/s, determine the torque on a 10.9kg sphere…

A: Angular acceleration, α = 2.6 rad/s² Mass, m = 10.9 kg Radius, r = 0.757 m Torque, τ = ?

Q: 9. (a) Find the magnitude of the gravitational force (in N) between a planet with mass 8.25 X 1024…

A:

Q: A box with mass m and speed =1.2 m/s, moving on a frictionless surface approaches two other boxes…

A: Given : Three system are in collision m1= m  m2 = 2m  m3 = 3m V1= Vo = 1.2 m/s V2 =0  V3= 0

Q: A racecar traveling at a constant speed of 25 m/s drives around a flat circular track that is 600 m…

A:

Q: irth point charge is located at point A with a charge of QA d width x of 10 1 cm Calculate the…

A: GivenQ1=22.4 μCQ2=-38.6 μCQ3=87.3 μCQA=13.5 μCside of cube, a=10.1 cm

Q: a cup of coffee sits on a table in an insulated mug. to coool the coffee down a ice block is added.…

A: mass of coffee = 90 g mass of ice = 20 g Initial temperature of coffee = 90o C Initial temperature…

Q: A 1.8 kg block is lying on a 0.78m-high table. You pick it up and place it on a bookshelf 2.0 m…

A:

Q: Suppose a cyclotron is operated at an oscillator frequency of 14.3 MHz and has a dee radius 47.4 cm.…

A:

Q: If the velocity of a ball had been doubled due to stronger gun spring, how would the ball's time of…

A: Given Velocity of ball becomes double We have to find How the ball's time of flight have changed?

Q: Part A A 20.0 kg child plays on a swing having support ropes that are 2.00 m long. A friend pulls…

A:

Q: D. Two slits are separated by a distance of 0.5 mm and 2.5 m from the slits. The distance of the…

A: Here, we calculate  the distance of the third bright image from the centre as given as;

Q: 1. A 25.0 cm long spring is hung vertically from a ceiling and stretches to 29.5 cm when a 7.00 kg…

A:

Q: A particle with a mass of 2.5 x 10-20 kg is oscillating with simple harmonic motion with a period of…

A:

Q: An aluminum-alloy rod has a length of 5.7751 cm at 11.00°C water. (a) What is the length of the rod…

A: givenAt temperature, T1=11°CInitial length of aluminium alloy rod , L0=5.7751 cm=5.7751×10-2 mAt…

Q: 5) An electromagnet of square cross-section produces a flux density of 0.45T. If the magnetic flux…

A:

Q: Ex. 74: A tuning fork A of frequency 200 Hz produces 5 beats/sec. with another fork B. When the…

A: Given in question:    Frequency of A (FA) = 200 Hz                                    Number of…

Q: If a bus travelling at 24 m/s is subjected to a steady deceleration of 6 m/s2, how long will it take…

A:

Q: Assume that the launching and landing position of the steel ball are at the same height. (y; =Y;)…

A:

Q: R7 R3 R5 R9 VT R2 Rg R10 R6 R4 R1 20V; Given: VT = 10; R6 = 20; R, = 2.5N; Rg = 6N; R9 = 12; R1 R2 =…

A:

Q: An RLC series circuit has a 40.0 ohms resistor, a 3.00 mH inductor, and a 5.00 uF capacitor, and a…

A: GivenR = 40.0 ΩL= 3.00 mHC =5.00 μFVrms = 120 V

Q: Write a JAVA program that keeps asking the user for numbers, until the user enters 0. After the user…

A: In the program written by you , a line of code is missing - System.out.print("Enter a num:");…

Q: A geologist finds an old rock and wants to determine its age using rubidium-strontium dating. This…

A: The age of the rock is 1.36 x 10¹⁰  years

Q: If you took a pendulum to the moon where g = 1.6 m/s/s, what change would you observe in its period?

A:

Q: Calculate for 1, 12, and 13. Upload the solutions with answers. Please observe clarity and neatness.…

A:

Q: What is the weight of the 70 kg object on th surface of moon?

A: We know that the acceleration of gravity on the moon's surface is 1/6 of the acceleration of gravity…

Q: A stream of electrons is of energy E is incident on a potential barrier of height U and thickness d.…

A:

Q: A flat, 1.30 × 10² turn current-carrying loop is immersed in a uniform magnetic field. The area of…

A: A magnetic field exerts a force on a current-carrying straight wire and a torque on a…

Q: In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit…

A:

Q: 6. The Merlin rocket engines developed by SpaceX can produce 7.95 x 105 N of instantaneous thrust…

A: We have a rocket that can produce an instantaneous thrust of F=7.95*105N with an exhaust speed of…

Q: owlin

A:

Q: J According to the Right-Hand-Rule, the magnetic force on a free- moving charge is perpendicular to…

A: We have to write the magnetic force concept here .

Q: A book held 9.00 cm from a magnifiying lens of focal length f = 12.5 cm. Find the magnification for…

A:

Q: ugh the bulb of a 2.

A: GivenV=2.97 VR=3.58 Ω

Q: 7. Suppose the initiai Cilarge on the capacitor in 06 6 mC. What is the total energy stored in the…

A:

Q: Part A Two blocks are connected by a massless string that runs over the edge of a pulley as shown in…

A:

Q: An ideal spring with spring constant 355 N/m is compressed from its unstrained position by a force…

A:

Q: The spring of the pressure gauge shown in the figure below has a force constant of 1 500 N/m, and…

A:

Q: A small electric immersion heater is used to heat 87 g of water for a cup of instant coffee. The…

A: Given data:  Mass (m) = 87 g = 0.087 kg Power (P) = 170 watts Initial temperature (Ti) = 18°C Final…

Q: 4. If the intensity of a light source on a surface is 1000 Watts per square meter, find the electric…

A:

Q: A light beam is traveling through an unknown substance. When it strikes a boundary between that…

A:

Q: A person shouting at the top of his lungs emits about 1.0 W of energy as sound waves. Match the…

A: Given: The power of the sound waves emitted by the person shouting: P = 1.0 W.

Q: Part D Suppose the distance between the two atoms is equal to the equilibrium distance found in part…

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

Q: Draw a ray-tracing diagram for an object located 3f away from a concave mirror with focal length f.…

A:

Q: 4. An object has a kinetic energy of 227 J and a momentum of magnitude 26.6 kg m/s. (a) Find the…

A:

Q: Charges +q are placed at the opposite corners of a square with side a. Another set of charges −q are…

A: