A student measures the following data in a calorimetry experiment designed to determine the specific heat of aluminum. (Do not assume atmospheric pressure.)

Q: Based on your theoretical yield, what is the percent yield of ammonia if only 8.33 grams of ammonia ...

A: Given: Actual yield = 8.33 grams  

Q: In an emergency you can start a car with a manual transmission by putting it in neutral, letting the...

A: Ekinetic=Epotentialmgh=12mv2h=v22g

Q: Question b(i) and (ii)

A: The electric potential due to point charge is given by Where k = Coulomb's constant, q = charge, r ...

Q: A small jet airplane has a total wing area of 90.0 m2 and a mass of 8.88 104 kg (a) If this jet is i...

A: Using the pressure and Bernoulli's theorem 

Q: Two masses, m1 and m2, m1 > m2, are suspended by a massless rope over a pulley (disk) of mass mP ...

A: (a) Given: The mass of the pulley is mp. The radius of the pulley is rp. Two masses suspended are m1...

Q: The 0.5 kg particle shown travels at a speed of 3 mps around the surface of the stationary drum. All...

A: Free body diagram

Q: Question in attachments

A: The wavelength of the light in medium is, λ=λairn Here, n is the refractive index of the medium, thu...

Q: a circular coil of wire has 21 turns and a radius of 0.35 m. If it is immersed within a uniform magn...

A: The radius of the circular coil R=0.35 m. Number of turns N=21. The magnitude of the uniform magneti...

Q: A uniform electric field of magnitude 640 N/C exists between two parallel plates that are 4.00 cm ap...

A: The Electrostatic force on an electron can be expressed as:F=qEUsing the Newton's Second law of moti...

Q: Question 3: Knowing that the angular momentum is given by L = r x p find the components of the angul...

A:

Q: Problem 3: An 8 m long uniform seesaw of 20 kg mass is supported at P by a 50 kg student at one end,...

A: Part-a The length of the seesaw l = 8 m. The mass of the seesaw ms = 20 kg. The mass of the left st...

Q: How would you describe the solid-state in terms of motion (ability to move in space and speed) and d...

A: In solid state or in solids atoms are tightly packed and are not moving at all rather  their movemen...

Q: A totally depleted silicon detector with 0.12-mm thickness is operated with large overbias so as to ...

A: Given: d = 0.12 mm  μe = 1350 cm2/Vs  μh = 480 cm2/Vs                        

Q: A 30m ladder, weighing 100N, with a center of mass one-third of the way up from the bottom, rests ag...

A: Newton's Second Law of motion According to Newton's Second Law of motion, the rate of change of mome...

Q: A small mailbag is released from a helicopter that is descending steadily at 2.15 m/s. (Please answe...

A: (a) speed of the mail bag v=u+at=-2.15 m/s+-9.8 m/s23.00 s=-31.55 m/sv≈31.6 m/s

Q: A rifle with a weight of 35 N fires a 4.9-g bullet with a speed of 200 m/s  If a 600-N man holds the...

A: mrvr=mbvbwrgvr=mbvbvr=mbvbgwr= 4.9 g1 kg1000 g200 m/s9.8 m/s235 N=0.274 m/s

Q: A physics student is studying a globe, which can be approximated as a uniform solidsphere with a rad...

A: Given: Radius of solid sphere is r=0.220m Mass of sphere is m=0.800kg Frictional torque  is τFrictio...

Q: 3. Glider A, of mass m, moves to the right with constant speed v, on a frictionless track toward gli...

A: Hey there, since this question has multiple sub-parts, we have solved the first three for you. You c...

Q: Question in attachments

A:

Q: A new design of Saturn 18 rocket with mass 1.26 x106 kg has a propulsion engine that can eject gases...

A: Given Mass (m)    = 1.26×106 kg Speed (u)   = 397.5 m/s Fuel rate    = 2.15×105 kg/s  Fuel mass  = 4...

Q: Examine the containers shown to the right.  At which point will the pressure be the greatest?

A:

Q: Consider the diagram below showing 2 two current loops (a square and circle centered about the same ...

A: Solution 

Q: You are designing a spherical tank to hold water for a small village. The volume of liquid it can ho...

A: Given: The volume of liquid the tank can hold is V=πh23R-h3. Introduction: The Newton-Raphson method...

Q: (a)If the position of a chlorine iron ina membrane is measured to an accuracy of 0.95um, what is its...

A:

Q: An object moves along the x axis according to the equation x = 2.85t2 − 2.00t + 3.00, where x is in ...

A:

Q: plss help

A:

Q: You produce an image of the Sun on a screen,using a thin lens whose focal length is 15.0 cm. Whatis ...

A:

Q: A box with mass of 150 kg is released from point A, 43 meters above the ground. The box slides witho...

A:   (a) the total energy is the sum of the kinetic and potential energy E=KE+PEE=0+mgh=mgh=150 kg9.80 ...

Q: (a) What should the orbital period of that star be? yr (b) If its period is 5.1 x 10' years instead,...

A: Part (a) Given: The mass of milky way is M=8×1011 solar mass. The radius of orbit is r=5.6×104 ly. ...

Q: The Code provides rules for the minimum number of receptacle outlets required in a dwelling unit. Th...

A: Given that : The Code provides rules for the minimum number of receptacle outlets required in a dwel...

Q: How would you do this one?

A: The average velocity of the object is given by Where S = displacement of the object, t = total time...

Q: An airplane maintains a speed of 573 km/h relative to the air it is flying through as it makes a tri...

A: Part (a) Given: The speed of airplane relative to air is va=573 km/h. The distance of city is d=766...

Q: describe completly the state of polarization of each of the following waves:

A:

Q: A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a un...

A: Given A hockey player is standing on his skates on a frozen pond when an opposing player, moving wit...

Q: Two students are on a balcony 19.5 m above the street. One student throws a ball vertically downward...

A:

Q: A 51-g ice cube at 0°C is heated until 43.0 g has become water at 100°C and 8.0 g has become steam a...

A: Given data: The mass of the ice is m1=51 g. The mass of the water is m2=43.0 g. The mass of steam i...

Q: What is the energy of an electron whose de Broglie wavelength is that of a photon of yellow light wi...

A: The de-Broglie wavelength of the object is given by Where h = Planck constant = 6.626 x 10- 34  J.s...