Find the value of current

Q: 28. How many curtains 2.5 m long can you cut from a piece of curtain material that is 1 500 cm long?

A: Given data The length of the curtain is given as l = 2.5 m. The length of the total curtain…

Q: During an experiment, a ball was thrown from the top of a building, 15.0 m in height from a spring.…

A:

Q: Determine if the statement is true or false. If false, write the word that is false and state what…

A: Introduction :- Here we need to comment about the given statement whether it is true or not. If it…

Q: An electric car starts from rest and accelerates for 20s at a rate of 2.0 m/s along a straight line.…

A: Distance is find by the  x=v2-v022a

Q: Source A has a half-life of 10 million years, and source B has a half-life of 5 million years. After…

A: Given information :- half life of source A = 10 million years half life of source B = 5 million…

Q: An object is 27 cm in front of a diverging lens that has a focal length of -14 cm. How far in front…

A: Given: The focal length of the lens is -14 cm. The image is reduced by 2.3 times.

Q: 30. A metal block which measures 25 cm x 10 cm x 0.05 m has a mass of 13.5 kg. Find its density in…

A: Given  dimensions of block=25cm x 10cm x 5 cm mass=13.5 kg

Q: 2) A crate of mass 20 kg is being pushed with a horizontal force of 63 N, moving with a constant…

A:

Q: 1. Lita is taking her portable TV to the boarding house. She finds a cubical box which has a volume…

A: Volume of a cuboid = L×B×H L= length = 0.45m B= 0.1m H= 0.3 m

Q: 6.3 PQ equal to the rate of change of momentum, F = d(mv)/ dt. Tak- ing the derivative by parts…

A: Solution

Q: Calculate work: A 100 Newton force is applied to move a 15 kg object a distance of 5 meters?

A: Given data :                          Force    =    F                         Distance    =    d…

Q: One hundred grams of aluminum at 100° C is mixed with 100 g of water at 10 ° C. What is the final…

A:

Q: A flaglet stick 10.0 cm long is placed 30.0 cm in front of a mirror of focallength +50.0 cm. The…

A:

Q: (a) What is the total electric field at P, the center of the arc?

A: The electric field at a point p at a distance r due charge q is…

Q: A coherent light is used to illuminate two slits separated by a distance d = 2.1x 10-4 m, see Figure…

A:

Q: A horizontal platform with a diameter of 6 m revolves about its center of 20 rpm. Find the…

A:

Q: In figure below, R1 = 100 ohms, R2 = 50 ohms, and the ideal batteries have emfs, V1 = 6.0, V2 = 5.0…

A:

Q: An projectile is kicked from the ground level with an initial velocity of 51 m/s in the horizontal…

A:

Q: Determine the specific gravity of combined aggregate in a bituminous mix having maximum theoretical…

A: Given: Bituminous mix Theoretical specific gravity Gin = 2.4 Bituminous content =8% by weight GBit =…

Q: Part A The flash unit in a camera uses a special circuit to "step up" the 3.0 V from the batteries…

A:

Q: 4. If 1496.2 gal of diesel weighs 45,800 N, Calculate the Specific Gravity. 5. 1 kg block connected…

A:

Q: What quantity is defined as the rate of work done per unit charge? Electric potential Electrostatic…

A: To define  the quantity associated with “rate of work done per unit charge”.

Q: A cylindrical container that is open at the top holds a fluid of density 900 kg/m3. At the bottom of…

A:

Q: For the situation shown in Figure calculate FL , the magnitude of the force exerted by the left…

A: According to our guideline ,we have to do the first question only. please upload other question…

Q: 600g of ice at -8℃ is put inside a calorimeter filled with 4000g water initially at 20 ℃. What is…

A:

Q: draws a current of 20.0 A from a 240 V power source 15.0 m away. What is the minimum cross-sectional…

A: Given:-  An electric motor draws a current of I =  20.0 A from a  240 V power source d =  15.0 m…

Q: . A horizontal platform 6m in diameter revolves so that a point on its rim moves 6.50m/s. Find its…

A: Answer:-  Given  Diameter (d) = 6 m  Radius (r) = d/2  r = 6/ 2 = 3 m  Speed (V) = 6.50 m/s  We know…

Q: Resistors of 20 Q, 20 Q and 30 Q are connected in parallel. What resistance must be added in series…

A: According to question we need to find--- Resistance,  which connect in series?  current?

Q: A spring has a natural length of 15 inches. A force of 10 Ibs. is required to keep it stretched 5…

A: Given, Natural length of spring ,L = 15 inches  Force required to stretch 5 inches is 10 lbs . So,…

Q: Consider the system shown in Fig.11. Block A weighs 45.0 N and block B weighs 25.0 N. Once block B…

A:

Q: A battery is supplying electrical power to a single resistor R. If the total current in the circuit…

A:

Q: A 0.6 N bullet with a velocity of 500 m/s strikes a 90 N block of wood moving at 10 m/s in the…

A:

Q: A charge A of +250 StatC is placed on a line between two charges B of +50 StatC and C of-300 StatC.…

A:

Q: A heart defibrillator is used to enable the heart to start beating if it has stopped. This is done…

A: Power associated = VI  V = potential = 25V And I = current = 12A time = 3ms Also, power = energy…

Q: A spherical shell with a mass of 1.65 kg and a radius of 0.37 m is rolling across the level ground…

A:

Q: (4/w)a 60 t(hours) 0.1 0.2 0.8 Figure 2. The train initially stopped in station A and then…

A:

Q: It is the term used to describe the process of changing solid to gas without passing liquid state.…

A: This process is known as sublimation

Q: What is the rate of heat conduction through the 3.85-cm-thick fur of a large animal having a 2-m2…

A: Given,  Thickness, L = 3.85 cm = 0.0385 m Surface area, A = 2 m2 Animal skin temprature, T1 = 31.62…

Q: An infinite number of charges each equal to 1nC are placed along the x-axis at x-1, x=2, x=4,…

A:

Q: Alpha particles (m = 6.7 × 10-27 kg, q = +2e) are accelerated from rest through a potential…

A:

Q: A cylindrical tank of radius 5 ft and height 9 ft is two-thirds filled with a liquid of weight…

A: Work done is given by   W =∫FdsWhere ds =displacement vectorF = force

Q: 14 0 182 6Ω 60V

A:

Q: 8. An audio frequency generator, set at 123 Hz is used to generate a standing wave resonator, where…

A: frequency = f = 123 Hz speed of sound at 22 =345 m/s

Q: (b) Figure 6 shows a metal plate moves with constant velocity through a uniform magnetic field, B.…

A:

Q: An iceberg (sg = 0.917) floats in the ocean (sg = 1.025). What percent of the volume of the iceberg…

A: Given, Specific gravity of iceberg, SGiceberg = 0.917 specific gravity of ocean, SGocean = 1.025

Q: Part A: Step Down Transformer Primary Primary Secondary Secondary Coil Winding Vp Np Trans Coil Vs…

A:

Q: An arrow 10 cm long is placed 100 cm in front of a lens of focal length+50 cm. The image formed is…

A:

Q: When 20 N of force is applied to a spring of natural length 2 m, the resulting compression is 0.5 m.…

A:

Q: The tires of a go-kart are 1 m in circumference. The tires revolve 15 times per second. What is the…

A: Circumference, C = 1 m Number of revolution in one second, n = 15  Time, t = 40 sec Distance, d = ?

Q: A body is slowly lowered on to a massive platform moving horizontally at a speed of 4 m/s. through…

A: Given: The intial speed of the object is 4 m/s. The final speed is 0 m/s. The coefficient of…