A diesel engine performs 2200 J of mechanical work and discards4300 J of heat each cycle. What is the thermal efficiency of the engine?
Q: A charge of -3.00 nC is placed at the origin of an xycoordinate system, and a charge of 2.00 nC is p...
A: Given information: The charges are q1=-3.00 nC=-3.00×10-9 Cq2=2.00 nC=2.00×10-9 Cq3=5.00 nC=5.00×10-...
Q: Please do D
A: Given information: The binary numbers 1 1 1 0 1 and 0 1 1 0 1
Q: A charge of 1.5 fC and a charge of -1.5 fC are separated by a distance of 4.0 nm. (a) Calculate the ...
A: a) The required value of the magnitude of the dipole moment is, p=qd =1.5×10-154×10-9 =6×10-24 C...
Q: Am i suppose to find initial velocity of the projectile then equate this into centripetal force equa...
A: Given: The mass of ball is m=7.3 kg. The distance covered by ball is d=86.75 m. The radius of circl...
Q: to a horizontal table. The rod Avot atta begins to fall. For the instant just before the rod hits th...
A: As the pivot is frictionless , we van do energy conservation (a) initial energy = final energy ...
Q: Write the balanced nuclear equations for the following: a) Formation of Kr-81 through electron captu...
A: Answer: The balanced nuclear equations for the above-given Equation is as follows:
Q: After a heavy rain, earthworms come to the surface. Howwould you explain this behavior in terms of a...
A: The gas exchange happens across millions of alveoli' thin epithelia, enough to move out gas exchange...
Q: Three capacitors are connected in series where C1= 401 μF, C2= 314 μF, and C3 = 219 μF. If a 24.2 V ...
A: Given : Three capacitors are connected in series C1=401μFC2=314μFC3=219μF Potential source V=24.2 V ...
Q: Write the loop rule for each designated loop. Use ΔV1 thru ΔV5 according to theresistor being consid...
A: For writing loop equation: direction of current is taken as positive. all the potential adds up to z...
Q: A wire with mass 40.0 g is stretched so that its ends are tied down at points 80.0 cm apart. The wir...
A: Fundamental frequency (f)=60.0Hz Amplitude (A)=0.30 cm =3.0×10-2m [1m=100cm] Mass per unit length...
Q: (1) Consider a medium with a quadratic drag force Fdrag -cv?. || (a) Find an expression for the term...
A: (a) Introduction: Projectile motion is the motion of an object thrown or projected into the air, sub...
Q: Why the resistivity of Eureka Wire cannot be found by Digital Ammeter?? If we can find then why we u...
A:
Q: Identify the possible issues if a sample in a spectrophotometer gives no reading.
A: Given: The issues in the reading of the spectrophotometer.
Q: 1. A ball of mass m 0.55 kg, starting from rest, falls a vertical distance h = 75.0 cm before striki...
A: (a) Since there are no non-conservative forces, the mechanical energy, i.e, the sum of kinetic and p...
Q: Use the equation E = ΔV/d along with the value of d for your apparatus (see the Table of Important V...
A: The electric field between the plates is given by Where = Potential difference between the plates,...
Q: See attached pic
A: Given: Resistance R=0.24 ohm Graph of magnetic flux over time is given. We have to find out magnitud...
Q: A hungry 800-N bear walks out on a beam in an attempt to retrieve some "goodies" hanging at the end....
A:
Q: Millikan Oil Drop. calculate the charge for each data set. (only doing one for example). Important...
A: Given: Introduction: Millikan’s oil drop experiment measured the charge of an electron. Before th...
Q: (a) Show that the sum of two hermitian operators is hermitian. (b) Suppose Ô is hermitian, and a is ...
A: As you post a question with multiple parts so I have solved only the first 3 parts of the questions ...
Q: Fp = Fg b vž = mg mg Vr = b Mr. Aikins dropped from a height of 7.7 km. In less than 20 seconds he h...
A: (a) Given: The height from which Me Aikins dropped is 7.7 km. The density of air at sea level is 1.2...
Q: The hero of a western movie listens for an oncoming train byputting his ear to the track. Why does t...
A: Given: The hero of a western movie listens for an oncoming train by putting his ear to the track. Wh...
Q: A sophomore with nothing better to do adds heat to 0.350 kgof ice at 0.0 C until it is all melted. W...
A: The expression for the total change in entropy of water and the heat source is, ∆s=dQT1+dQT2 ...
Q: For a string stretched between two supports, two successivestanding-wave frequencies are 525 Hz and ...
A: Given: The frequency of nth wave is fn=525 Hz. The frequency of next wave is fn+1=630 Hz. The speed...
Q: What is the pressure on the sample if 350 N is applied to the lever?
A: from Pascal's law pressure at one end of fluid transmits to other end without loss of pressure. thu...
Q: Block A, with mass 13 kg, sits on an incline of 0.58 radians above the horizontal. An attached (mas...
A: Given: mass of block A is mA =13 kg θ=0.58 radian=0.58 radian*57.296 degrees1 radian θ=33o Coefficie...
Q: PROBLEM 3. Calculate the following commutator: [L, f(r)], where L is the operator of orbital momentu...
A: Note that the orbital angular momentum operator (L) may be expressed in spherical polar form from th...
Q: DETERMINE THE DISPERSION RELATION OF PHONONS IN A ONE-DIMENSIONAL CRYSTAL WITH ONE ATOM PER PRIMITIV...
A: we consider, first, a one-dimensional crystal lattice and assume that the forces betweenthe atoms in...
Q: A proton is traveling horizontally to the right at4.50 * 10^6 m/s. (a) Find the magnitude and direct...
A: a) The acceleration of the system is v2=u2+2asa=02-4.5×106220.032 =-3.164×1014 m/s2 Thus, the req...
Q: An aquarium 5 ft long, 3 ft wide, and 3 ft deep is full of water. (Recall that the weight density of...
A: P=ρgh=62.5 lb/ft332.2 ft/s23ft=6037.5 lb/ft2
Q: A small block is attached to an ideal spring and is moving inSHM on a horizontal, frictionless surfa...
A: The velocity of block in simple harmonic motion at any displacement is, vx=ωA2-x2 (I) ...
Q: The Moon has no atmosphere so there is no reason for satellites to orbit very high above it. The hig...
A: condition for a stable orbit centripetal force = gravitational force mv2r= GMmr2 where M is mass of...
Q: A small 10-gram source of cobalt-60 is in a vacuum. (a) What is the activity of the cobalt-60source ...
A:
Q: (COLLAB) A new design of Saturn 10 rocket with mass 1.64 x10 kg has a propulsion engine that can eje...
A: Given: The mass of the rocket is 1.64×106 kg. The gases are ejected at a speed 340.59 ms-1. The burn...
Q: A hollow conducting sphere has no net charge. There is a positive point charge q at the center of th...
A: Solution: The positive point charge q at the center of the spherical cavity within the sphere. So it...
Q: In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately...
A: Part (a) Given: The length of rectangle is l=160 km. The width of rectangle is w=40.0 km. The thick...
Q: A 115 N block slides upward on a smooth vertical wall (ignore friction). If the magnitude of the for...
A: The free-body diagram of the block is shown below: R is the normal reaction force exerted on the bl...
Q: The largest known redshift attributed to a specifi c molecule is z = 6.42 from the CO molecule in th...
A: Given data: The red-shift parameter is z=6.42. The red-shift parameter z and relative velocity fac...
Q: The first gear in a single-stage gear train has 42 teeth and an angular velocity of 2revolutions per...
A: Given Teeth of the first gear = 42 Angular velocity = 2 rev/s Teeth of t...
Q: The siren of a fire engine that is driving northward at 30.0 m/s emits a sound of frequency 2000 Hz....
A: Sound frequency detected by truck. ft=fvsound-vtruckvsound-vfire engine=2000 Hz344 m/s-20.0 m/s344 m...
Q: 9-v4 The box shown in the figure is being ac- celerated by pulling on it with the rope. (a) Assume t...
A:
Q: A trough is filled with a liquid of density 885 kg/m3. The ends of the trough are equilateral triang...
A:
Q: Calculate the magnitude of the induced emf when the magnet in Figure 23.7(a) is thrust into the coil...
A: Magnitude of the induced emf ε=ΔϕΔt=ΔΔtBAcosθ=πr2ΔΔtBcosθ
A diesel engine performs 2200 J of mechanical work and discards
4300 J of heat each cycle. What is the thermal efficiency of the engine?
Step by step
Solved in 2 steps
