Find the approximate depth of water in a lake such that an air bubble, upon reaching the surface has a volume twice than it had at the bottom of the lake. 10.33 m 13.85 m 18.25 m 20.65 m

Q: A parallel plate capacitor with air between the plates has a capacitance of 8 pF (1 pF = 10-¹2 F).…

A: Capacitance is the ratio of the amount of electric charge stored on a conductor to a difference in…

Q: A weightlifter holds a 2,000 N barbell 1 meter above the ground. One end of a 2-meter-long chain…

A:

Q: Define pauli matrices and prove the following commutation operation. (i) [0,0,]=2i0₂ (ii) [0²,0x] =…

A: Pauli matrices are a set of three 2*2 complex matrices which are Hermitian, involutory and unitary.…

Q: Ben, who has a mass of 60 kg and stands at rest on ice, catches a 20 kg ball that is thrown to him…

A: Given data:  Mass of Ben (m1) = 60 kg Initial velocity of Ben (u1) = 0 km/hr Mass of ball (m2) = 20…

Q: The position of an object moving along an x axis is given by x= 3.27t-4.04t2 +1.06 t, where x is in…

A:

Q: A E .B X Choose true or false for each statement below about the uniform electric field shown above.…

A: 1. The electrostatic force on a charge is the same at points A and B True  since the electrostatic…

Q: The van der Waals equation for n moles of a gas is: AN² (P+ V2 )(V-NB) = NRT Write an expression for…

A: Given that Van der Waal's equation, (P + AN2/V2)*(V - NB) = NRT

Q: d from point A with a horizontal speed u and subsequently passes through a vertical opening of 5…

A: For top point of vertical opening: vertical path : s =1/2gt12 b =1/2gt12 t1 =2b/g horizontal path: d…

Q: Each square on the diagram represents a 20-meter x 20-meter area. If a person walks from H to E…

A: a) From H to E, the person travels 6 units in horizontal and 2 units in vertical. Hence total…

Q: Below, sketch the position vs. time graph for a student walking to the bus stop, waiting for the…

A:

Q: machine coil has a resistance of 46 ohms at 25 degrees celsius. Its temperature coefficient of…

A:

Q: What are the parts of this traveling wave? y(x,t) = (9.00 m) sin( (6л m¯¹)x + (4ñ rad/s)t - n/8) 5.…

A:

Q: A golfer hits a ball from a golf tee at a position of 16.4 m [W] relative to the clubhouse.  The…

A:

Q: A projectile is launched with an initial speed of 785 m/s  additionally V(iy) =736 m/s and V(ix)…

A:

Q: The deceleration of the mass center G of a car during a crash test is measured by an accelerometer…

A:

Q: Problem 2: A proton orbits a long charged wire, making N = 1.0×106 revolutions per second. The…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: What is the reflectivity (in percent) needed to keep water at a temperature near its freezing point…

A:

Q: rabbit runs 3.8 m [N] and stops to nibble on some grass. The rabbit   then hops 6.3 m [N] to scratch…

A: Given  A Rabbit displacement D1 = 3.8 m North Displacement D2 = 6.3 m North  We to to find total…

Q: 9. Three point-like charges are placed at the corners of an equilateral triangle as shown in the…

A: Given that,  q1 =-1.20 μC  , q2 =-3.50 μC , q3= 4.30  μC length of equilateral triangle is L = 42cm…

Q: Choose the best answer of the following questions (L In the figure shown, if a = 10.0 cm, b = 40.0…

A:

Q: A particle moving in the x-y plane has a velocity v = 10.20i + 3.61j m/s at a certain instant. If…

A:

Q: One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which…

A: The circumference of the circular lake is given by, Since the couple walks three-fourths of the…

Q: d. Write an exact equation for the relationship between force and acceleration. L Is max e. Using…

A:

Q: Jupiters exosphere has a temperature of about 870.0K what is the thermal speed of hydrogen (in km/s)…

A: Given value--- temperature = 970 K. The mass of a hydrogen atom is 1.67 x 10-27 kg. Boltzmann…

Q: A sprinter explodes out of the starting block with an acceleration of +2.32m/s^2, which she sustains…

A: Given At t = 0 velocity = u = 0 Acceleration in between 0 sec to 1.04s = +2.32 m/s2 Acceleration for…

Q: A particle moving in the x-y plane has a velocity v = 7.80i +2.97j m/s at a certain instant. If the…

A:

Q: A thin plastic rod, of length 4 m, lies along the x-axis (only a portion of the rod is shown in the…

A: The charge, Q=-300 nC=-300×10-9 C The length, l=4 m The radius, R=8.0 cm=0.08 m The uniform charge,…

Q: Determine the minimum cylinder mass m1 required to cause loss of contact at A. 43 21/3 0 711 1/3 B

A:

Q: 9) The current world record holder for a marathon is 2 hours 1 minutes and 39 seconds. If this…

A:

Q: An ac voltage, whose peak value is 170 V , is across a 340-Ω resistor. A.What is the rms current in…

A:

Q: The rectangular coordinates of a particle which moves with curvilinear motion are given by x = 9.50t…

A:

Q: A football player runs for a distance di = 7.29 m in 1.4 s, at an angle of 0= 56 degrees to the…

A: Given:-  A football player runs for a distance d1= 7.29 m in t1= 1.4 sec at an angle θ=56° to the…

Q: What is the frequency of an X-ray photon with energy 9.0 keV (9000 eV)?

A:

Q: has a magnitude of 149. Which of the following could not

A:

Q: In m/s2, what is the acceleration when t=7.5 sec

A:

Q: 1. The position-versus-time graph on the right shows the position of an object moving in a straight…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: A refrigerator is thrown horizontally off a cliff at 5/MS. It takes 2.9 seconds for the refrigerator…

A:

Q: 1. An airplane has a ground speed of 350km/hr in the direction due west. If there is a wind blowing…

A: Dear student,  Since all questions are different as per guidelines we can author only first one…

Q: A train is moving with 72km/hr constant speed from one station to the other. The train is  50,000kg.…

A:

Q: A picture tube of a TV draws a current of 15A. How many electrons strike the viewing screen every…

A: Given that,  current I = 15 A  time  t =  1 sec

Q: Brojectile is launched from point A with cates the point B of impact. Calculate th = 121 m/s A e=40°…

A:

Q: 29. A jetliner, traveling northward, is landing with a speed of 69 m/s. Once the jet touches down,…

A:

Q: A UFO is going 50 m/s South side only experienced the constant acceleration for 72 seconds and was…

A: Basically the UFO is experiencing retardation initially which act like Acceleration after some time.…

Q: Part A. True/false CLEARLY mark each space with a TRUE if the entire statement is true. Mark with a…

A: Part A:-  (1) True, motion of molecules reflect the kinetic energy. Higher will be the motion higher…

Q: A student stands in an elevator that is continuously accelerating upward with acceleration a. Her…

A:

Q: Implementing Gauss's law on a cylinder. You're going to find the electric field at a point P due to…

A:

Q: An electron in a hydrogen atom moves into the n = 3 orbit, causing a photon of light with wavelength…

A: Given:-  An electron in a hydrogen atom moves into the nf = 3 orbits, causing a photon of light with…

Q: A projectile is launched within initial speed of 2050 M/S additionally V(iy) =1640 m/s and V(ix)…

A: Vf=  magnitude of final velocity = same as initial speed.  ∆ry = maximum height achieved.  ax =…

Q: A charged particle is held at the center of two concentric conducting spherical shells. Figure (a)…

A:

Q: A professor's office door is 0.91 m wide, 2.0 m high, and 4.0 cm thick; has a mass of 25 kg; and…

A: Given:The dimension of the door are 0.91m wide 2.0 m high and 4.0 cm thick.The door has a mass of 25…