In a tornado or hurricane, a roof may tear away from the house because of a difference in pressure between the air inside and the air outside. Suppose that air is blowing across the top of a 1930 ft2 roof at 161 mi/h. What is the magnitude of the force on the roof? (The density of air is 1.29 kg/m3)

Q: A circular wire coil with 26 turns and radius 3.81 cm is placed in a uniform magnetic field of…

A:

Q: The diagram beside shows point P in the presence of two charges of +Q. What is the direction of the…

A:

Q: In a double-slit diffraction experiment, the number of interference fringes within the central…

A: We have to findIn a double-slit diffraction experiment, the number of interference fringes within…

Q: A small sphere with mass mm and charge q is attached to one end of a string with length L and…

A:

Q: 1. Consider the two-body situation at the right. A 25kg crate (m1) rests on AdI 1910 babnagar2312 an…

A:

Q: A 65 kg person is standing on a 25 kg wood board as shown. How far can they go past the left support…

A: Mass of board = 25kgMass of person = 65kgLength of board = 5.5m

Q: The charge is uniformly distribute C/m. A proton is released from r

A: Page 1

Q: The formula for length contraction gives the length of an interval on a ruler moving with velocity v…

A: The objective of the question is to find out the fraction by which the length of a meter stick is…

Q: ircular diaphragm 62.72 cm in diameter oscillates at a frequency of 15.97 kHz as an underwater…

A: The angular position for the first minimum is given by the expression

Q: An electrical circuit has a 4.00-V battery wired to two resistors, 2.06 Ohms and 5.96 Ohms, in…

A:

Q: 37. Two carts, A and B, having spring bumpers, undergo an elastic collision. Cart A has a mass of 75…

A:

Q: A slab of intrinsic Silicon (at room temperature) is biased, the applied electric field inside the…

A: The question itself requires some additional information. The formulas may be useful to complete the…

Q: point charge of -2.5 µC is located at the origin. A second point charge of 13 µC is at x = 1 m, y =…

A:

Q: 7. A men's basketball has a radius of about 12 cm and a mass of about 0.63 kg. It can be treated as…

A:

Q: The figure shows a section of a long, thin-walled metal tube of radius R-4.25 cm, with a charge per…

A: Radius of metal tube, Charge per unit length,

Q: Use the principle of superposition to sketch a picture of the resultant waveform for the two waves…

A:

Q: Two radio antennas A and B radiate in phase. Antenna B is a distance of 130 m to the right of…

A: The distance between antenna A and antenna B is 130m.The horizontal distance between antenna B and…

Q: A firefighting crew uses a water cannon that shoots water at 27.0 m/s at a fixed angle of 50.0°…

A:

Q: 1) Electric Charge is distributed uniformly along a thin rod of length a, with total charge Q. Take…

A: Analyze the following diagram.a)Let dq of length dr be a small charge element on the road.Thus,here,…

Q: A massless spring with force constant k = 4.0 x 10^2 N/m is fastened to a a wall as shown in the…

A:

Q: The particle model of light requires some or all of the following assumptions: 1) The particles are…

A:

Q: A radioactive nucleus has half-life T1/2. A sample containing these nuclei has initial activity Ro.…

A:

Q: I fill my tea mug (3.1" diameter and 7.5" tall) to 0.5" from the top and put it in the cup holder of…

A:

Q: 2. An egg is dropped from the top of the SCAS flagpole; its starts from rest then falls freely.…

A: The egg is freely falling.The speed of egg at t=0 s is u = 0 m/s

Q: Six identical rods of negligible mass are each supported by a fulcrum. A mass is hung off of one end…

A:

Q: A cable is 100 m long and has a cross-sectional area of 1.0 x 10-6 m2. A 1000 N force is applied to…

A: The objective of the question is to find out how far the cable stretches when a force is applied to…

Q: A glass plate with a refractive index of 1.50 is covered by a substance with a refractive index of…

A:

Q: Find the charge on the capacitor in an LRC- and i(0) = 0 A. (Round your answer to four 0.9154 хс…

A: Inductance,                 Resistance,                  Capacitance,                 Apllied…

Q: A planet orbiting a distant star has radius 3.54×106 m. The escape speed for an object launched from…

A: Radius, r = 3.54×106 mEscape velocity, v = 7.15×103 m/sAcceleration due to gravity, g = ?

Q: At 1,980Hz, the reactance of a 17.6mH inductor is 65.9% of the reactance of a particular capacitor.…

A:

Q: explain the Fermi Dirac distribution

A: To explain the Fermi Dirac Distribution.

Q: 9. A car is traveling at 100 ft./sec when the brakes are fully applied, producing a constant…

A:

Q: 1. A 16 m long beam (M = 350 kg) pinned at the bottom rises at 70° above horizontal. Its center of…

A:

Q: Pulleys and Block with Friction Determine the value of T for the 120 kg block for the condition of…

A:

Q: A light beam of wavelength 679 nm and intensity 211 W/m^2 shines on a target of area 2.71 m^2 for a…

A: wavelength = intensity = area = A = 2.71 m2time = t = 2.23 s

Q: To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is…

A: A steel rivet  of diameter (D2) = 1.701 cmAnother  steel rivet of diameter (D1)= 1.700 cm…

Q: A spy satellite is in orbit a distance of 1.91 x 106 m above the earth's surface. It carries a…

A: Height of satellite ( h ) = 1.91 × 106 m Distance between the two trees ( d ) = 1.34 m Wavelength of…

Q: Figure (a) shows a narrow charged solid cylinder that is coaxial with a larger charged cylindrical…

A:

Q: A mass m of a metal with heat capacity c at initial temperature T is added to the volume V of a…

A:

Q: 18. When two small charged spheres are separated by 2.0 m, the electrical force of attraction…

A:

Q: 26. One newton is equivalent to (a) 1 kg m (b) 1 kgm/s (c) 1 kg m/s² (d) 1 kg/m²/s² (e) 1 m/(kg-s²)

A: As per the guidel line we provide solution for the first question

Q: The potential energy of a spring is given by U(x) = (8x²-5x-4) J if z is given in metres. What is…

A: U(x) = 8x² - 5x - 4Equilibrium length, x = ?

Q: What is the maximum theoretical efficiency possible for an engine operating between 100°C and 400°C?

A: The objective of the question is to calculate the maximum theoretical efficiency of an engine…

Q: A uniform solid sphere having mass M = 50.0 g and a radius R = 0.30 m rolls on a horizontal surface…

A: Mass (M) = 50.0 gRadius (R) = 0.30 m speed (v) = 4.2 m/s p

Q: A cylindrical cork (area A, length L, density pc) is floating in a liquid of density Pw with only a…

A:

Q: An engineer is trying to determine the maximum speed at which a 700kg car can travel around the…

A:

Q: Diffraction occurs for all types of waves, including sound waves. High-frequency sound from a…

A:

Q: Using the parallel-axis theorem, determine the product of inertia of the given area with respect to…

A: a = 9 inb = 7 in

Q: An aluminum rod with negligible resistance is sliding toward the right with a speed of 3.82 m/s on…

A: B=0.75 T  (Out of the screen)L=3.38 cm=0.0338 mv=3.82 m/s  (To the right)R= 5.5ΩDiagram:

Q: Use the circuit on the right. Make sure you use at LEAST Three significant figures throughout the…

A: As we can see that the resistance ,  and  are in parallel therefore net resistance is given as,…