A runner with a mass of 75 kg is dashing at a speed of 7.5 m/s makes a perfectly inelastic collision with a linebacker with a mass of 95 kg that is at rest before the collision. How much KE is lost?

Q: The radius of atom is of the order of 1 Å and radius of nucleus is of the order of fermi. How many…

A: Radius of atom 1A∘  =10-10  m

Q: A certain alloy is a mixture of equal numbers of A atoms and B atoms. B atoms are twice as heavy as…

A: Given, B atoms are twice as heavy as A atoms WB= 2WA the number of atoms A and B are the same in the…

Q: Find the mass of Argon (Ar) that would occupy the same volume as 0.160 g of Helium (He) under the…

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Q: 3.4 Temperature required for fusion of 1?C.

A: For fusion to take place the protons of both nuclei should overcome the Coulomb barrier. This the…

Q: The diameter of a carbon nanotube is 1.3 nm. This diameter in S.I. system is O a. 13 x10°m O b. 1.3x…

A: Given  Diameter of carbon Nano tube is d = 1.3 nm   Diameter in SI system is in meter

Q: The bulk in laboratory plasmas are called quasineutral because in the lab setting they tend to have…

A: Following statement is given to us. The bulk in laboratory plasmas are called quasi neutral because…

Q: 1 atomic mass unit is about:

A: One atomic mass unit is defined as a mass exactly equal to one – twelfth the mass of one carbon -12…

Q: Question 3/ Calculate the density of the nuclear substance of the nucleus of the Carbon-12 atom, if…

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Q: An ac source with an amplitude of 600 V drives an L-R-C series circuit. The voltage vC acrOss the…

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Q: weighs 22 metric tons at Earth sea level. (a) Calculate the Knudsen number for the capsule at Earth…

A: To calculate the Knudsen number (Kn), you can use the formula:K n = λ / Lwhere λ is the mean free…

Q: M=70kg PEEら143 た茶内200 )モ=コ374J Rm 2, PE =. KEニ 3E= tm モっ PE= KE= E=

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Q: Determine the number of atoms in a block of pure Gallium measuring 3 inch x 0.1 feet x 0.1 yards.…

A: Given information :Volume of Gallium V = (3in)x(0.1ft)x(0.1yards)Atomic weight m = 69.723…

Q: C 580 N 1330 N 1.2 m 1.2 m 1.8 m 1.5 m The reaction at A is nearest to: B

A: In order to determine support reaction at A we take moment at point B . Clockwise moment is taken as…

Q: A Geiger-Muller tube is a type of gas-filled radiation detector. It can detect particles like…

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Q: The most dangerous particles in polluted air are those with diameters less than 2.5 μm because they…

A: Stoke's velocity is given by:

Q: Some incandescent light bulbs are filled with argon gas. What is vrms (m/s) for argon atoms near the…

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Q: A 8 ft В C D 12000 lb 6 ft 8 ft

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Q: Question 13 The density of states g(E) depends on the number of degrees of freedom for electron…

A: Question 13) The density of states g(E) depends on the degrees of motion of the electron. so, the…

Q: Determine the mass in grams of 5.20 x 1021 atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Given data:  Number of atoms of carbon = 5.20×1021 Mass of one mole of carbon (M) = 12.01 g…

Q: An alloy of iron that has a weight density of 78000 N/m^3 and its mass density is:

A: Answer  : We know the weight density and mass density are defined by :…

Q: 10 8 7 620 K 550 K L+V 450 K 3. 400 K S+V 300 K 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Specific…

A: Given: m=250g, V1=1m3, M=100kg/kmol, T=400K (a) Using ideal gas law :…

Q: Find the Z in the figure. j20 2 - 3 3n *-130 -j30 US

A: Given that:- Electrical circuit is given. We have to find the value of Z.

Q: A Geiger-Muller tube is a type of gas-filled radiation detector. It can detect particles like…

A:

Q: 143Ba 143 Ce+Ve+ De n Р e+ 143 La 143Cs 143 Pr e

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Q: Some incandescent light bulbs are filled with argon gas. What is Vrms for argon atoms near the…

A:

Q: Express each of the following as requested: -5 a. 2.34 x 10 eV in decimal notation. b. Express 891…

A: Given data:  Measurement of energy 2.34×10-5 eV Required: Express in Decimal notation

Q: A positive gas ion with mass 1.5×10−27kg1.5×10−27kg is traveling with speed 200m/s200m/s in the…

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Q: The average speed of a sample of Ar atoms is 437 m/sec. What is the temperature of the sample? (Mar…

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Q: What is the internal normal force of 20kN-m and 10kN

A: Introduction: The normal force at any section of a structure is defined as the algebraic sum of the…

Q: Câu 8 (01 điểm) L.O.2) Argon, a monatomic gas, fills a 0.020 m' container. The pressure of the gas…

A: The temperature(T) of the gas. The root mean square velocity(vrms) of the gas. Given, voume of the…

Q: e the average speed of an air particle at 15 oC. The mass of one air particle is about 4.81*10^-26…

A:

Q: the blood pressure is usually refers to pressure arteries of the systematic circulation True False…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: A 5 gram bullet hits a tree at a velocity of 600 m/s and travels 4 cm inside the tree. How many N…

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Q: A sample of pure iron has a mass of 13.8 g. Calculate the number of moles in the sample and iron…

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Q: In an experiment, a tern (a seabird) was taken from its nest, flown a distance 5050 km away, and…

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Q: Masses of five marbels are 50g, 55g,65g and 70g. Find their average mass?

A: Incomplete question

Q: if 0=300 between A¯and B find q value? A¯=2î +2f +4k , B`=qî +ĵ -2K

A: Angle theta = 30o A = 2i+2j+4k B = qi+j-2k

Q: How much force would they apply on each other if they were 5mm apart?

A: Answer is 4.0 mN  It is clear from graph , at distance of 0.5mm force is 400 mN . Further…

Q: The volume of an automobile tire is 2.5 × 10−2m3 . the pressure of the air in the tire is  3 atm and…

A: According to ideal gas law -  Where  P = Pressure  V = Volume  n = Number of moles  T = Temperature…