The energy equation is derived from using the principle of?

Q: A Lightning McQueen toy car with a 10 cm height is placed 30 cm in front of a concave mirror. The…

A: A mirror can be plane or spherical (concave or convex) A lens is usually curved from either one or…

Q: Two pistons of a hydraulic lift have a radius of 5 cm and 11.5 cm respectively. If the input force…

A:

Q: Determine the decay constant for iodine given its half life is 8.04 days. If a patient has ingested…

A: Given Half life(T1/2)=8.04 days Required decay constant(λ)=? Time taken to drop the activity from…

Q: Consider an equilateral triangle 123 having each side length equal to 0.2 m. Let the uniform point…

A: Given Data:- Length of each side of the triangle is a=0.2 m Charge on each vertices of the triangle…

Q: A light ray travels from air (n=1.00) into a crown glass (n=1.52) with an angle of incidence of 49…

A: Incidence angle from air to glass = 49 degrees  Refractive index of air =1 Refractive index of crown…

Q: A cart X with a mass of 4 kilogram is initially moving at 5 meters per second. It collided with cart…

A: Given  mass of cart(X)=4 kg initial velocity(ux)=5 m/s mass of cart (y)=6 kg initial velocity (uy)=0…

Q: Test the validity of the equation by making sure that the dimensions of the equation are correct,…

A: The study of the relationship between physical quantities with the help of dimensions is termed as…

Q: Ben threw a ball straight upwards with initial velocity of 14.5 meter per second. Disregarding air…

A: When an object is thrown upward then the gravitational acceleration slows it down and at the highest…

Q: A Lightning McQueen toy car with a 10 cm height is placed 30 cm in front of a concave mirror. The…

A: according to mirror formula  1f=1v+1u where f = focal length of mirror v= image distance  u = object…

Q: Q 1 / Prove mathematically that the full energy of the electron is (Etotal = -e2/8nor between the…

A: Say we have an electron orbiting a positive test charge with a velocity v in a circular orbit of…

Q: (b) Explain how information is transmitted by the modulation methods known as amplitude modulation…

A: Modulation is the process of converting data into radio waves by adding information to an electronic…

Q: An object of mass m = 3 kg is released from rest at the top of a frictionless inclined plane at…

A: Given:-  The mass of the block m = 3 kg, it is on a point A initially in the rest.  The work done on…

Q: The figure below represents the position -time graph of a horizontal oscillator. The maximum speed…

A: From given position vs time graph  graph Time period (T) = 0.5 s  Amplitude (A) = 0.12 m        X =…

Q: Determine the electrostatic force and gravitational force between two electrons 10 10m apart (i.e.…

A: Electrostatic force is fundamental force. It depends on 2 charges and distance between them. Force…

Q: , how old is a sample if two-thirds of it is now the daughter isotope? What type of decay is…

A: We know , N=N0e-λt Where, N= remaining part of the sample N0=Initial amount of the sample λ=decay…

Q: What is the electrostatic force of attraction between 2 positively charged particles separated by…

A: we have for force F=kq1q2r2

Q: What wavelength (in nanometers) is the peak intensity of the light coming from a star whose surface…

A: Determine the wavelength of the light.

Q: A 23 kg child goes down a straight slide inclined 38° above horizontal. The child is acted on by his…

A:

Q: VT = 150V IT = ? RT =? (A) RT=81 ohms; IT = 1.15 Amp B RT=81 ohms; IT = 1.85 Amp RT = 344 ohms; IT =…

A: Given Voltage of the battery is VT=150 V Voltage across R1 is V1=150 V Resistance of R1 is R1=130 Ω…

Q: A coating is being applied to reduce the reflectivity of a pane of glass to light with a frequency…

A:

Q: Calculate the momentum mass=1.088 kg Velocity 0.454 m/s

A:

Q: A 35 kg student bounces up from a trampoline with a speed of 7.4 m/s. (a) Determine the work done…

A:

Q: PS- UCM Horizontal m1 = 0.25 kg O m2 = 0.75 kg Mass 1 and mass 2 are connected to the opposite ends…

A:

Q: A rotating disk with an angular velocity of 3 rev/s is brought to rest in 12 seconds by a constant…

A:

Q: Noel is playing on a swing and has a weight of 60.0Newtons. Approximately, what is his maximum speed…

A: Given: Weight (W) = 60N            Initial height (h1) = 0.50 m            Final height (h2)  =…

Q: The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes…

A: Given that,

Q: If an object is shot upward with an initial velocity, v 0, in feet per second (ft/s), the velocity,…

A:

Q: of 2 m inside. Hing e density of 6.5 equ

A: given:

Q: Mark Lee hits a baseball and it leaves the bat at a speed of 30 m/s at an angle of 25 degrees above…

A:

Q: lowed by four choic umber of the answe

A: solution of above problem is below:

Q: What is the acceleration of the loop when -3.00 cm/s? Express your answer with the appropriate…

A:

Q: 1. What volume of mercury (SG= 13.54) in liters would weigh the same as 0.020m³ of fuel oil, which…

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

Q: Find the impulse Force=12.22 N Time-3.21 s

A: Answer:-  Given  Force (F) = 12.22 N  Time (∆t) = 3.21 s  Impulse (∆p) = ?  We know that  Impulse…

Q: The hydraulic lift's small piston with an area of 30 m^2 is subjected to a force of 100 N. To have…

A:

Q: Find speed Distance=22.123 m Time=2 s

A: Given: The distance traveled by the object is 22.123 m. The time interval is 2 s.

Q: Find 1₁, 12, and 13 13 8.00 Ω 12 + 5.00 Ω 1.00 Ω 4.00 V 3.00 Ω Μ 11 1.00 Ω 12.0 V

A:

Q: A U-shaped tube contains water (of density p=998 kg/m³) in its right arm, and an oil of unknown…

A:

Q: v is attached to the wall by cm.

A: solution of above problem is below:

Q: The rectangular bar is connected to the support bracket with a circular pin, as shown in the figure.…

A: Given that,

Q: Two pistons of a hydraulic lift have a radius of 5 cm and 11.5 cm respectively. If the input force…

A: Given: Radius, r1=5 cm Radius, r2=11.5 cm Input force, F1=500 N To determine  output force exerted…

Q: Find the speed of sound?

A: Given data;  Distance travelled=1560 Time taken to cover the distance of sound=3 sFind speed of the…

Q: A light ray travels from air (n=1.00) into a crown glass (n=1.52) with an angle of incidence of 49…

A:

Q: of copper whose mass is 15 kg has a specific heat capacity 390 J/kgx and is warmed by Coco Martin so…

A: Mass of copper, m=15 kg Specific heat capacity, C=390 J/kg OC CChange in temperature = 5 o C

Q: Calculate the momentum mass=1.088 kg Velocity 0.454 m/s

A: Required :                     Momentum             Given data :                      Velocity     =…

Q: A Lightning McQueen toy car with a 10 cm height is placed 30 cm in front of a concave mirror. The…

A: Given that- Concave mirror Toy car height(h)=10cm Object distance(u)=-30cm Focal length(f)=-20cm To…

Q: A 50 g plane figure is suspended at a point 10 cm from its center of mass. When it is oscillating…

A:

Q: A body falls from rest against a resistance proportional to the square root of the speed at any…

A: Write the relationship between force and velocity. At the limiting speed, the force balances the…

Q: Find the impulse Force=2 N Time=0.002 s

A: Given data : Time=t Force=F   Required : Impulse

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

A:

Q: Suppose you move a 15-kg crate by pulling upward on the chain at an angle of 45 degrees above the…

A:

de Broglie Equation

The sketch of matter waves is drawn below: