Resistors of 20 Q, 20 Q and 30 Q are connected in parallel. What resistance must be added in series with the combination to obtain a total resistance of 10 Q. If the complete circuit expends a power of 0.36 kW, find the total current flowing. Draw the 5. circuit

Q: Calculate Density of object of mass 210 kg which accupies space of 4 m3 ?

A: Given: The mass of the object is 210 kg. The volume of the object is 4 m3.

Q: Find the value of kinetic energy stored in car having mass of 2.48 kg moving with velocity 0.45 m/s

A: Given data, Mass of the car (m)=2.48 kg velocity of the car (v)=0.45 m/s

Q: Do it fast for like A sphere rotating with an angular velocity of 25.6 radians/s about its axis has…

A:

Q: How many calories of heat are needed to raise the temperature of 75g of water from 20 °C to 80 ° C.…

A:

Q: A liquid of density 884.4 kilograms per cubic meter flows through at vertical tube. If the pressure…

A: Write the given values with the suitable variables. ρ=884.4 kg/m3h1=5.7 mv1=8.3 m/sh2=4.4 m Here, ρ,…

Q: Mass of a body is 4. 8 kg, What is it's weight ?

A: Weight is defined as the gravitational pull on a body by the planet. Given: Mass, m=4.8 kg.…

Q: Water (density equal to 1000 kg/m³) flows through a system of pipes that goes up a step. The water…

A:

Q: A machine gun fires 4 bullets /s, each of mass 10 g the speed to each bullets is 6 cm/-1 then force…

A: Given data :                       Mass of each bullet    =   m                       Number of…

Q: A 5.0 kg ball is rolling north at 2.50 m/s when it collides with a 6.0 kg ball which is initially at…

A:

Q: To take off from the ground, an airplane must reach a sufficiently high speed. The velocity required…

A:

Q: An audio frequency generator, set at 123 Hz is used to generate a standing wave in a closed pipe…

A:

Q: 1C. The given system of knotted cords (label the left knot as J and the right knot as K) supports…

A: Here A, B, C vectors are showing the direction of tension in A, B, C cords respectively.

Q: Assuming that the Earth's orbital radius is 150 million kilometers, what is the tangential speed of…

A: Given:- a) The Earth's orbital radius is  r = 150 million kilometers Find:-  a) what is the…

Q: Why does light bend when it passes thru different materials? kindly answer it on your own…

A: We have to write the reason why light bend when it passes thru different materials.

Q: What is refraction? kindly answer it on your own understanding.

A: Answer:-  Refraction:- The change in direction of a wave passing from one medium to another medium…

Q: The graph below is the graph of magnetic flux versus time. The slope of this graph (ApIAt) indicates…

A: We need to calculate the induced current and its direction at the mentioned time in the question.

Q: 40m +11cm

A: We know the relation between meter and centimeter         1m = 102  cm    so         1cm = 10-2…

Q: a = 2m/s?for 4 seconds. During these 4 seconds, how far has the car traveled? 48 m 56 m 44 m O 65 m

A: Given value--- initial velocity = 10 m/s . acceleration = 2 m/s . time = 4 s . We have to find---…

Q: 729 A 1000-kg car moving at 20 m s- hits a 2000-kg parked car head on. How much mechani- cal energy…

A:

Q: Eartha and Astro are twins. Eartha stays in Earth while Astro rides on a spacecraft. Astro returned…

A: You have posted multiple questions, according to company policy, we will answer the 1st question…

Q: A current of 20 A flows east through a 50cm long wire. A magnetic field of AT is directed out of the…

A:

Q: At what net rate does heat radiate from a 263-m2 black roof on a night when the roof’s temperature…

A: Given data The area of the black roof is given as A = 263 m2. The lower temperature of the roof is…

Q: 1a. Determine the magnitude of the magnetic field at a point 33.0 mm from for a current-carrying…

A:

Q: Coastal and Barbour structures   A wave train is observed approaching a coast that has straight…

A: Given, Distance=5m Wavelength=93

Q: Calculate E = 1/2 * m * v^2+ mgh + Delta * NI at the moment the body is launched and when it reaches…

A: The total energy E=12mv2+mgh At the top point the velocity is zero so the energy is totally…

Q: particle with a charge of -1.24 x 10-8 C moves with instantaneous velocity v (4.19 x 104 m/s)î +…

A:

Q: The motion of a 100g-particle in space is defined by the parametric equations x = t²+t and y =…

A:

Q: In a mercury type, the pressure is indicated by the

A: ANS: B. height of a column

Q: How would you throw an egg without breaking it? A. Boil the egg B. Throw it against a net C. Throw…

A: How would you throw an egg without breaking it? A. Boil the egg B. Throw it against a net C. Throw…

Q: Whale and Kanmuro are two islands located at the Chimera archipelago. These two are separated by a…

A: We need to calculate the current at full power capacity.

Q: 1C. The given system of knotted cords (label the left knot as J and the right knot as K) supports…

A:

Q: A long straight conductor has a constant current flowing to the right. A wire rectangle is situated…

A:

Q: A tow truck exerts a force of 5,000N on a car, accelerating it at 1.2 m/s. What is the mass of the…

A: Given value--- Force = 5000 N. acceleration = 1.2 m/s2.  We have to find--- mass ?

Q: integoates <6 9i] A doop R= 10 m disin tegoat@es of of Jadius oithe stal deep the change Sanme in to…

A:

Q: 3. Bifocal lenses are prescribed for a patient, the components having focal length of 40cm & -300cm.…

A:

Q: From Figure 1.determine its gradient (slope of the line)? A. Workfunction B. Planck constant C.…

A:

Q: 5. The magnitude of the magnetic force of a 68 cm current-carrying conductor with 35 C of charge…

A: Given : L = 68 cm = 0.68 m q = 35 C t = 5 s B = 12.3 T θ = 0° (because current is parallel to field…

Q: Consider a state of total angular momentum I = 2. What are the eigenvalues of the operators (a) L, 3…

A:

Q: 2. Some wire of cross-sectional area 1mm2 has a resistance of 20Q. Determine (a) the resistance of a…

A: Given data: R = 20 Ω A = 1 x 10^-6 m^2   Formula: R = ρ L /A Here,  R = resistance L = length…

Q: The voltage in circuit is 24 V and resistance is 5 ohms, find the current ?

A: The voltage in circuit is 24 V and resistance is 5ohm

Q: battery charger wwww R Ec EB The circuit above is established to charge up a rechargeable battery B…

A: We need to find the ratio of EMFs of the charger C to the battery B.

Q: An object is 15cm from a converging lens of focal length 10cm. A diverging lens with focal length…

A:

Q: 1C. The given system of knotted cords (label the left knot as J and the right knot as K) supports…

A:

Q: A charged particle of charge q > 0 is sent with velocity ~v into a region of uniform electric field…

A:

Q: Light travels faster in glass than in air. (true or false) Total internal reflection can only occur…

A:

Q: Determine the direction of the force of the proton. I'll upvote if complete and typewritten.

A: Formula for magnetic force is given by,              F = q(v×B)     ---(1) where,             q -…

Q: An electric iron of resistance 14 ohms takes a current of A .find the heat developed in 20 seconds.

A: Given data: The resistance of iron is R=14 Ohms. The current taken by the iron is A,. The time take…

Q: The length of bar is 10 ft. What is the value of the unknown mass, m slug to maintain the bar in a…

A:

Q: Calculate the critical angle for a glass- air boundary if the n for glass is 1.48. An object is 24cm…

A:

Q: If a car travelling at 34 m/s is subjected to a steady deceleration of 4 m/s?, how long will it take…

A: Given data :                         Initial velocity    =    u                         Final…