Q: The gravitational force of attraction between two bodies is ____________________ the distance betwee...
A: The correct answer is option (C) inversely proportional to the square of
Q: Quincey stands on the flatbed car of a moving train playing an A on his flute. The note has a fundam...
A: The first overtone of the flute is given by f1=2f0 Here, f0 is the fundamental frequency. The equati...
Q: Why does current in a steady state not flow in a capacitor connected across a battery? However momen...
A: A capacitor is a device that stores electrical energy in an electric field. For a capacitor, the ste...
Q: A e n pjected vt uponly particde with fome initial spead thinngh a parses Bec resp. Then flo pEP afk...
A: Consider the figure.
Q: What do we call the process taking place at constant temperature? [A] Adiabatic [B] Isothermal [C] I...
A: We know that, Adiabatic :- In thermodynamics the process which is carried out without transferring o...
Q: A diver running 1.8 m/s dives out horizontally from the edge of a vertical cliff and 2.6 s later rea...
A: Initial horizontal velocity of diver: uh = 1.8 m/sInitial vertical velocity of diver: u = 0 m/s Fina...
Q: A train moves at a constant speed and travels 6 miles in 4 minutes. What is the speed in miles per o...
A: Given, train moves at a constant speed Distance travelled = 6 miles Time taken to travel 6 miles = 4...
Q: What is a velocity selector and how it works?
A: A velocity selector is defined as a region where there is a uniform electric field and a uniform mag...
Q: Which of the following is NOT based on principle of relationship between volume and pressure of air?...
A: Fountain pen, Bicycle pump, and Hand pump works based on the principle of relationship between volum...
Q: Please provide a drawing for the problem and solve, thank you. A capacitor of 3.23µF has an area of...
A: Given : Capacitance C1=3.23×10-6 F Area A=6.35 mm2=6.35×10-6m2 Capacitance C2=5.63 mF=5.63×10-3 F ...
Q: Which of the following devices converts Chemical energy into Electrical energy? A) Electric heater B...
A: The electric cell is the device that is used to convert the chemical energy of stored chemicals like...
Q: Two carbon cylinders have radii 2r and r and the first has length 2L, while the second has length L....
A: Given data: Radius of first cylinder (r1) = 2r Radius of first cylinder (r2) = r Length of first cy...
Q: Which of the following is correct about the electromagnetic waves? [A] They require a solid medium t...
A: Option [B} is correct. Electromagnetic waves can travel through vacuum.
Q: Net capacitance of three identical capacitors in series is 1 pF. What will be their net capacitance ...
A: It is given that the net capacitance of three identical capacitors in series is 1 pF. So, 1Ceq=1C+1C...
Q: Q-3 A) If tension surface of the globule in transformer oil is 0.05N/m, radius of globule is 1µm, th...
A:
Q: QUESTION 8 Consider light having a wavelength of 521 nm traveling in a vacuum. Which of the followin...
A:
Q: Sonar detector work by bouncing high-frequency sound waves of about 0.100 MHz off oncoming ships and...
A: Given: The frequency of the wave source is 0.100 MHz. The frequency of the return signal is 0.101 MH...
Q: 2. Why the electric wire that is connecting in the post outside a little bit saggy and not tightly t...
A: Electric wires are usually made of mostly copper and Aluminum both of which have considerable linear...
Q: If the power of a corrective lens is +2.0 D, then it is a A) convex lens B) concave lens C)...
A: Given that, Power = +2.0 D
Q: 40. (II) The coefficient of static friction between hard rubber and normal street pavement is about ...
A: The relationship for maximum angle of inclination is given as follows, Tan x =k Here, x is the maxim...
Q: What is the heat generated (in J) in a heating element of resistance 1000 Ω when a current of 0.1 A ...
A: The expression for power is P=I2R Here, P is the power, I is current and R is the resistance The rel...
Q: wendy walks 10 m in one direction at 2m/s, then runs 6 m in the same direction at 6m/s. Next, she st...
A: Total distance : d = 10 m + 6 m + (6 m/s x 4 seconds) d = 10 m + 6 m + 24 m d = 40 m
Q: Which of the following is Inexhaustible Natural Resources? A) Air B) Minerals C) Forests D)...
A:
Q: what type of mirrors are used in department stores? why?
A: Convex mirrors are used in department stores to watch activities of customers.
Q: Solar eclipse will take place when: A. the sun is between the moon and the earth B. the earth is bet...
A:
Q: A 50-kg steel pipe 4 meter long is supported by a rope attached 1.7 m attached from one end. Determi...
A: Given: The mass of the rod is 50 kg. The length of the rod is 4 m. The distance of the rope from one...
Q: Given two vectors A= 4.00i + 7.00j and B= 5.00i - 2.00j. Find the magnitude of each vector. (2 pts.)...
A: (1) The first vector is given by- A=4.00 i+7.00j Here a1=4.00 and a2=7.00 Hence magnitude of A vect...
Q: A rope has a density of 7.5 g/cm3 and a cross-sectional area of 2.0 cm2 .When the rope is subjected ...
A: Given data , density of the rope, ρ =7.5 g/cm3 =7.5×103 kg/m3 cross- sectional area, A= 2.0 cm2 =2...
Q: What is the unit of calorific value? A) kN/kg B) kJ/kg C) kW/sec D) kCal/sec
A:
Q: Which of the following is used to detect current in a circuit? A) Galvanometer B) Anemometer C) Baro...
A: The flow of electric current carries the electric charge in the circuit and the flow of electrons ca...
Q: Which of the following represents the Snell’s law? [A] sine of angle of incidence/sine of angle of r...
A: The bending of light from its actual path due to refractive index difference of the mediums is calle...
Q: A spherical conducting shell of inner radius rx and outer radius r2 has a charge ‘Q’. A charge ‘q’ i...
A: Given that, Charge of spherical conducting shell = Q Charge at the center = q Inner radius = r1 Oute...
Q: Which of the following formulas is called Hooke's law? Da = Et O M, M; + M max M O max o,
A: Explanation: Hooke's law states that the strain of the material is directly proportional to the stre...
Q: Physics Question
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...
Q: Calculate the current flowing through a resistor of 10 ohm when a potential difference of 140 v is a...
A: According to Ohm's law te relation between current,voltage, and resistance is, I=VR ...
Q: In metal the electron at 0 K need a minimum a mount of energy in order --to still in the metal O all...
A: In metal the electron at 0 K need a minimum amount of energy in order to escape from metal
Q: Calculate the entropy of fusion of a compound at 25 °c given that its enthalpy of fusion is 36 kJ mo...
A: Given data Enthalpy of fusion, ΔH=36kJmol-1 Melting point Tm=1510C=273+151 K=424 K Given temperatur...
Q: In Force equation, F is equal to A) ma B) mv C) u+at D) mgh
A: The force equation is given by : F=ma Where m is mass in kg a is acceleration in m/s2
Q: What happens to a body when its density is greater than the density of the fluid? [A] it floats [B] ...
A: Density is an important property of any substance each liquid has its own density. The object will f...
Q: A solid conducting sphere of radius 2.00 cm has a charge of 8.75 µC. A conducting spherical shell of...
A: Radius of the solid sphere, r1 = 2.00 cm. Inner radius of the spherical shell, r2 = 4.00 cm. Outer r...
Q: Which of these branches of Physics deal with heat and temperature and their relation to energy and w...
A: The heat and temperature are inter related to each other. Temperature is the degree of hotnesss or ...
Q: Which of the following is incorrect about a satellite? [A] It is a freely falling body [B] it does n...
A: Given that, Some statements about a satellite.
Q: A sound wave travelling into the air Idenlity wanen that can the sound wave Kero the phonomenbn of Y...
A: When the wave is produced from the source and reverts from the other source, another wave superimpos...
Q: Why do the electric field lines not form closed loops?
A: Since, the electric field lines originate from the positive charge and terminate on negative charge.
Q: A diver running 1.8 m/s dives out horizontally from the edge of a vertical cliff and 2.6 s later rea...
A: Initial horizontal speed of the diver (v) = 1.8 msTime taken to hit the water (t) = 2.6 seconds Init...
Q: Consider the capacitors connected as shown in the figure below. If each of the capacitors has a capa...
A: a) Find the equivalent capacitance of the circuit will be, C4 & C3 are in parallel will be,Ceq=C...
Q: Why do the electrostatic field lines not form closed loops?
A: Electric field lines are graphical aid to visualize electric fields. Electric field lines are imagin...
Q: State ‘Gauss law’ in electrostatics. Use this law to derive an expression for the electric field due...
A: As per Gauss law, the electric flux coming out from a closed surface can be given by dividing the to...
Q: Define each of the following wave phenomena, and give anexample of where each occurs: (a) refraction...
A: Refraction :- When the wave changes its original direction to other direction from one mean medium t...
Q: What is the resistance (in Ω) of an electrical component if a current of 0.4 A passes through it on ...
A:
Step by step
Solved in 2 steps
- How long does it take light to travel from the Earth to the Moon? The speed of light is 2.998×105 km/s and the Moon is 3.844×105 km away from Earth, on average.The Sun is 1.519×108 km from the Earth. How long in minutes does it take for light from the Sun to reach the Earth? c=3×108 m/sLight in a vacuum travels at a constant speed of 3x108 m/s. If the Moon's average distance from the Earth is 38558,669 km, how long would it take for a beam of light to travel from the Earth, to the Moon, and back to the Earth again?
- How long does it take in units of minutes for a beam of light to travel from Earth to Jupiter's moon Io, a total distance of 1278.7 x 106 km?The sun is 1.519 x 10^8 km from earth. How long in minutes does it take for light from the sun to reach earth? c=3x10^8 m/sHow long does it take, in minutes, for light to reach Mars from the Sun, a distance of 2.477×108 km?
- The sun is 146.9 x 106 km from the Earth. How long does it take sun light to reach the Earth?Light travels at 300.000 km/s. If the distance Sun-Jupiter is 750.32 million km, how muchtime does it take the sunlight to reach Jupiter?What would be the speed of light through a particular medium if the frequency is 5.63 x 106 Hz and the wavelength is 63.86 m? Your answer for this problem will not have any decimal places.
- How long does it take a beam of light to travel 1 foot in a vacuum? Speed of light = 3x108 m/s. 1 m = 3.28 ftIf the distance from an antenna on Earth to a geosynchronous communications satellite is 26000 miles, given that there are 1.61 kilometers per mile, and radio waves travel at the speed of light (3.0 x 108 meters/sec), how many milliseconds does it take for a signal from the antenna to reach the satellite?What is the value for the constant for the speed of light?
