Show that 1kWh = 3.6 million J

Q: Show that he following functions harmanic ? are -Y e'sinx

A: (a) Given data The function is u=lnx2+y2 Partially differentiate the given function with respect to…

Q: A = 2î + 3j + & B = -41 + 23 – k C = 21 – 3j + 4k a) (AX B) · č b) (BX A) c) (AXB) · (CXB)

A:

Q: The net energy requirement in a place was approximately 2.82 x 106 GWh. What is the equivalent of…

A: Given    The net energy requirement in a place was approximately 2.82 x 106 GWh. What is the…

Q: (b) 450 60° |C

A: In question (b):- For the weight 'w' at point C, if we draw a free body diagram tension working on A…

Q: Discusss Maxwell's law of distribution of molecular speeds.

A: In order to define the distribution of speeds for a gas at a certain temperatures, Maxwell’s…

Q: One hundred milliliters of water has a mass of 100 grams. What would be the mass of 50 milliliters…

A: The mass of the 100 ml water is 100 g. By the unitary method, the mass of 1 ml of water is…

Q: A = 2î + 3j + 4k B = î – 2j + 3k Find : 1- A + B 2- A - B В 3- 4 A – B

A: Given data:  A→ = 2i^ + 3j^ + 4k^B→ = i^ - 2j^ + 3k^

Q: hvo when hv Elect ron is ejected from surface of metal

A: According to Einstein’s photoelectric equation : hν=ϕ+KEhv=hv0+KE Here, KE is the kinetic energy of…

Q: What would if be 405j of energy 11ms

A: Energy, E = 405 J Time, t = 11 ms = 11×10-3 s Power, P = ?

Q: Convert (376.14)8 to Bin. * O 011110111.101010 011111110.0011 O 1100111011.100001 O 1110111010.01100

A:

Q: Use Avogadro’s law to complete the table (assume pressure and temperature to be constant).

A: Given data: Volume V1=38.5 mL Number of moles n1=1.55×10-3 mol Volume V2=49.4 mL Number of moles…

Q: One Helium atom weighs 26.2 X 10-7 kg. How many He atoms would weigh 262 kg O a. 10° О. 107 Oc 10- O…

A:

Q: 54 k k%312

A: The given notation is called summation notation, therefore, here we need to calculate a sum.

Q: How much electric potential energy was lost in this reaction (in units of eV)?

A: Electric potential energy of two charges  U = kq1 q2 /r

Q: A retailer buys Dalmatian stuffies for $6 each. (Assume that the retailer has no other variable…

A:

Q: A soldier sees the flash from a cannon that is fired in the distance and 10 seconds later he hears…

A: Given: The time interval is 10 s. The temperature of the air is 33°C.

Q: The continuity equation satisfied by u=x-4y,v=y-4x u = 4xy+y?, v= 6xy+ 3y . u= 3x^2-2y^2, v=-6xy.II

A:

Q: 3. Evaluate the following: a. ĵ· (2î– 3j+ k) b. (2î– j) · (3î+ k)|

A:

Q: كمية من الغاز حجمها 0 120 cm3 في درجة الحرارة 27 oC. کم سيصبح حجم الغاز في درجة الحرارة 127 oC اذا…

A:

Q: theoretical value of the specific heat of cadmium in cal/gc

A:

Q: Problem 1: a) A = 31-2j, B = 41-5 j. What is A. B? Answer: 22 b) A = -21+4), B = 31-1 j. What is A.…

A: CONCEPT:  When two vectors are such that  A→=Ax i+ Ay j +Az k and  B→= Bx i + By j +Bz k, where i, j…

Q: fđ = 2.0î +3.0f +4.0k and b= 3.0î- 2.0 +5.0k , then chose the correct answer for d · b ,it will be O…

A: The answer is given below

Q: If A = 5î – 23 – 13k, B = -i – 83 – 3, and Č = 4î – 63 – 3k, what is |Ã × (B – C)? 70.0 72.8 29.0…

A:

Q: How many protons does a gold atom have:

A: An element symbol in atomic physics is represent as, XZAwherer, A is the mass numberZ = atomic…

Q: Which expression is equivalent to ( xy -6) for all values of x and y where the expression is…

A:

Q: How many kg/m3 is 1 g/cm3?

A:

Q: 3) Pore 2. 1.5V 4.64 ka.

A: V1 = 1.4 volts V2 = 1.5 volts The currents in different branches of the circuit are I1,I2,I3

Q: As 3 4 2.

A:

Q: If A=(6.00i+8.00j) units, B=(-8.00i+3.00j) units, and C=(26.0i+19.0j) units, determine a and b such…

A: Given: A→ = 6.00i^ + 8.00j^ unitsB→ = -8.00i^+3.00j^ unitsC→ = 26.0i^+19.0j^ units aA→ + bB→ +cC→ =0…

Q: 18 22' 30" equals 18.573 18.375 18.735° 22.1830° 22.3018° 18.753 18.3022° 18.2230°

A: Write the given values of this problem. 18°22'30"

Q: How much energy (in J) is required to evaporate 25% of 4g of water currently at 100 oC?

A: (given) Mass (m) of water = 4 g = 0.004 kg Temperature of water at 100°C. Specific heat (c) of water…

Q: s it possible that the pumping process using a continuous source leads to obtaining a laser output…

A: Pumping: It is a mechanism by which an external source (continuous or pulsed) transfer energy to…

Q: Carry out the following unit conversions. a) 82 μg to mg b) 6.73 × 10 − 4 mm to nm c) 1.37 × 106nA…

A:

Q: The continuity equation satisfied by u = 4xy+y², v= 6xy+ 3y .1O u= 3x^2-2y^2, v=-6xy .IIO u=x-4y,…

A:

Q: ) iF f = 2i + 3j +4k and B = - i +2j + 3k find A x B. (A B) änjö 17

A:

Q: 30. What area is radiated in a 0.15 m radius iron ball? A. 0.283 m? B. 0.071 m2 C. 0.30 m2 D. 0.028…

A:

Q: 0.004951.cm3 to n? 5.4200² mL to cms 95 CHm to pa 3910 bar to mmig. ... 10°F to K -1000°C to

A: Given: V=0.007951 cm3

Q: You are filling a cylindrical drum (D = 22.5 in., H = 33.5 in.) with water flowing from a garden…

A:

Q: How much heat energy must be removed from 0.10 kg of oxygen with a temperature of 22 °C in order for…

A: Write the given values with the suitable variables. m=0.1 kgT1=22 °CT2=-183 °CCo=913…

Q: =lags the cu leads the c

A:

Q: What is the expected output for c? c=3 * 2 **4

A: The given question can be rewritten in the following manner c=3×(24)

Q: My physics class has turned to online due to the COVID-19 and I am having trouble with some of the…

A: Given: Mass of gold (m) = 500 g. Specific heat of gold (c) = 0.129 J/g ̊C Latent heat of melting…

Q: The specific energy and density of gasoline is -47.3 MJ/kg and 716 kg/m3, respectively. What is its…

A: The energy density is calculated as the product of specific energy and density of gasoline , that is…

Q: For A = 31+ 2j-k, B = -1 +31 +5k, and C = 2j-3k, find C- (A-B) and A x (B-C)

A: The vector, A→=3i^+2j^-k^ The vector, B→=-i^+3j^+5k^ The vector, C→=2j^-3k^ The scalar product or…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.