Liquid nitrogen has a boiling point of – 195.81°C at atmospheric pressure. Express this temperature (a) In degrees Fahrenheit and (b) In kelvins.

Q: Please explain

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A: Given data mA=5 kgmB=10 kgθ=200μA=0.2μB=0.15

Q: Carbon Dating The age of an ancient artifact can be deter- mined by the amount of radioactive carbon...

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A: Since there are multiple sub-parts posted, we will answer the first three sub-parts for you. If you ...

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A: Given information: A car with mass m1=1100 kg is having a velocity, v1=28 km/h=28×1000 m3600 s=7.78 ...

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Q: A block of mass m = 3.5 kg is attached to a spring with spring constant k = 730 N/m. It is initially...

A: In this case, the total mechanical energy of the block is equal to the sum of the work done by the f...

Q: Determine the amplitude of the resultant wave when the two electric fields interface .the intensity ...

A: The amplitude of the electric field is as follows: E=2Icε0                                          ...

Q: What is the full electron configuration in the groundstate for elements with Z equal to (a) 26, (b) ...

A: Electronic configuration 

Q: An 8.0-cm-long spring is attached to the ceiling. When a 2.3 kg mass is hung from it, the spring str...

A: The mass of the object, m=2.3 kg   The weight of the object attached to the spring, F=mg=2.3 kg9.8 m...

Q: A person wearing roller skates is standing in front of a wall. Assume that the wheels on the skates ...

A: Given :     u = 0 m/s    v = 0.73 m/s    d = 2.9 m  To determine is energy is constant (conserved) o...

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Q: The two ropes seen in the figure (Figure 1) are used to lower a 255 kg piano 5.00 m from a second-st...

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Q: A mechanic uses an ideal pulley system such as the one shown in the figure below to support a car en...

A: The free-body diagram of the lower pulley is shown below. Here, m denotes the engine’s mass and g d...

Q: consider a simple transformer that has a 100 turn primary coil and a 1000 turn secondary coil.  The ...

A: Given: Number of turns in the primary  Np= 100           Number of turns in the secondary  Ns = 1000...

Q: True or False. The acceleration of a ball as it rolls down a ramp is 4 m/s2. The ball is referred to...

A: Apply the kinematics formula,  s=ut+12at2 Given : Acceleration a=4 m/s2 Time t=2 s

Q: Given the following data for a fire extinguisher-toy wagon rocket experiment, calculate the average ...

A: Given values: Initial velocity, v0=0 m/s Final velocity, vf=10.0 m/s Initial mass, m0=77.5 kg Final ...

Q: Explain briefly what is difference in chemical energy and nuclear energy?

A: To explain:- Chemical Energy Bonds are related in the chemical field. The energy is stored in the bo...

Q: Two charges, q1 = 6.9 µC and q2 = 3.1 µC are placed symmetrically along the x-axis at =±9.78 m. Cons...

A:  The expression for the total work done in moving the charge q3 form one place to another is written...

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Q: A football punter accelerates a football from rest to a speed of 15 m/s during the time in which his...

A: the average force is, Fav=mv-ut

Q: a ball of mass m sits at the coordinate origin when it explodes into two pieces that shoot along the...

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Q: The middle C on a piano has a frequency of 262 Hz. The E above has a frequency of 330 Hz, and the G ...

A: (c) The middle C frequency is defined as 262 Hz, E above frequency be defined as 330 Hz, and the G a...

Q: At room temperature, an oxygen molecule with mass of 5.31x10^-26 kg typically has a kinetic energy o...

A: Given Data: The mass of the oxygen molecule is, m=5.31 x 10-26 kg. The kinetic energy of the oxygen...

Q: P2-3. Sketch the following forces on the x, y, z coordinate axes. Show a, B, y. F={-40i – 80j + 60k}...

A: Given Sketch the following forces on the x, y, z coordinate axes. Show α,β,γ. F={-40i – 80j +60k} kN...

Q: A battery-driven Percy engine goes around a track (radius 27 cm) in 67 seconds. What is its angular ...

A: Given: The radius is R=27 cm. The time taken by engine is t=67 s.   (a) The expression to calculat...

Q: please explain how todo this

A: The distance from the point P to each charge is 2 m say r. The potential is a scalar quantity. the n...

Q: How much energy, in J, is stored in a 20 micro-Farad Capacitor connected to a 120 V voltage source?

A:

Q: If the cart moves too fast over this hill, it will be launched into the air! Of course, we do not wa...

A: Analyze the following diagram. Let the vertically downward direction is the motion’s positive direc...

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Q: The figure below shows a bird feeder that weighs 167.9 N. The feeder is supported by a vertical stri...

A: Free body diagram of above condition -    Given value -  Weight of the bird feeder (X) = 167.9 N Th...

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Q: There are two forces on the 2.00 kg box in the overhead view of but only one is shown. For  F1 = 20....

A:  

Q: 7) An experiment is performed in an ideal condition to find out the velocity of a particle obeying t...

A: The average distance of the particle is, s=3+9+13+14+175=11.2 cm The average time taken by the parti...

Q: A transparent oil with index of refraction 1.17 spills on the surface of water (index of refraction ...

A: In case of a thin film the thickness can be determined from equation below, 2nt=mλ             (I)  ...

Q: A rubber ball with a mass of 0.160 kg is dropped from rest. From what height (in m) was the ball dro...

A: Given data Mass of the ball, m=0.160 kg Initial velocity, u=0 m/s Momentum just before hitting , pf=...

Q: Q3/The 300-kg bar B, originally at rest, is being towed over a series of small rollers. Determine th...

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Q: Ah artillery shell traveling east at a speed of 200 m/s suddenly explodes into three parts. Piece 1 ...

A: Given  initial velocity of shell, u = 200 m/s , due east mass of first piece of shell after explosio...

Q: Cole is trying a biceps curl and attempting to lift a 150 N dumbbell. The moment arm of this weight ...

A: Given: Weight of the dumbbell = 150 N The moment arm of the weight = 25 cm The force created by Flex...

Q: A contestant in a winter sporting event pushes a 45-kg block of ice across a frozen lake as shown in...

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Q: A 3.50 g bullet has a muzzle velocity of 250 m/s when fired by a rifle with a weight of 40.0 N. (a)...

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Q: A ladder of length 3.00m and mass 25.00 kg leans against a smooth vertical wall so that the angle be...

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Q: Gravel is lifted from the ground to the top of a building 60 feet high by a 20 Hp engine.How many to...

A: Power of engine = 20 Hp using 1 Hp = 746 Watts Therefore, power of engine = 20 * 746  = 14920 Watts...

Q: The four masses shown are connected by massless, rigid rods. The masses are mA = 0.13 kg, mB = 0.228...

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Q: How much power, in W, is flowing through a voltage source of 20 V with a current of 80 mA?

A: Given : Voltage (V) = 20 V Current (I) = 80 mA = 0.08 A