A car drives past a police radar. Calculate the car's speed if the police measure an angular velocity theta(dot) = −0,246 rad/s and r(dot) = 7.81 m/s when the car is at the distance r = 57.7 m.
Q: GIVEN: The distance between the earth and moon is not constant, but is on average about 3.84E5 km. T...
A:
Q: A certain wheel has a rotational inertia of 12 kg-m?. As it turns through 5.0 rev its angular veloci...
A: The following data are given: Rotational Inertia, I=12 kgm2 No of revolution=5 rev Initial Angular V...
Q: A rigid bar, pinned at O, is supported by two identical springs as shown in Fig1. Each spring consis...
A: Given: d=3/4in, R=2.5in, τmax=20 ksi, n=18 Refer to the free body diagram below : Shearing stress ...
Q: Which institution is taken as a reference for the electric field limit value in Turkey? Seçtiğiniz c...
A: IEC is International Electrotechnical Commission.
Q: The inner walls of the hemispherical bowl shown below are nonconducting frictionless walls. The bowl...
A:
Q: An electric field of magnitude 5.25 ✕ 105 N/C points due east at a certain location. Find the magnit...
A:
Q: A wire 4 m long and 0.2 mm in diameter is stretched by a force of 8 kg. Wt. If the wire elongates by...
A: Description : In this case we have to find the energy stored in the wire by having length of wire 4 ...
Q: To stimulate the acceleration of large rockets, astronauts are spun at thr end of a long rotating be...
A: Given that, r=10 mCentripetal acceleration=8×g We have to find angular speed (ω)
Q: Given the mass of the cart m,=50 kg and the mass of the wheel m=25 kg and its radius r=0.25 m. The %...
A: Given data, Mass of the cart = mc = 50 kg Mass of the wheel = mw = 25 kg Radius of the wheel = r = 0...
Q: 11 : Calculate the kinetic energy of helium molecales in 1 cm³ at pressure 2 atmosphere. (1 atmosphe...
A: Given: The volume is V=1 cm3. The pressure is P=2 atmosphere =2×1.013×103 Nm=2.026×103 Nm.
Q: 2. A 2 meter rod of 60mm of diameter is drawn (pulled/stretched) until its resistance is 25 times th...
A: Given: L1=2m, D1=60×10-3m A rod is given with a certain length and diameter. The volume of the rod i...
Q: Calculate the difference in the gestational altitude (in km) by using solar day (24 hrs) and siderea...
A: Where, Time in 1 Solar day T1 =(24hr x 60 min x 60 sec) =86400 sec. Time in 1 Sidereal day T2 =(23 h...
Q: A block with a mass of 44.5 kg is pushed with a horizontal force of 150 N. The block moves at a cons...
A: The block is being pushed across the floor, by the application of a horizontal force. This horizonta...
Q: (Q) Consider a system of three noninteracting particles that are confined to move in a one-dimension...
A: 1. vx=0, 0<x<av(x)=∞, otherwise We know energy is given as Eground=n2π2h22ma2where a i...
Q: Problem 1. Find the Young diagrams corresponding to the matrices 0 0 1 1 0 0 0 1 0 100 0 0 0 0 0 1 1...
A: Given, Two matrices of order 4 x 4 as 0011000101000000 & 0110000000010000
Q: A wire 6.50 m long with diameter of 2.05 mm has a resistance of 0.0290 Ω. What material is the wire ...
A: Given that,The length of wire : L = 6.50 (m)Diameter : D = 2.05 (mm)Resistance : R = 0.0290 (Ohm)He...
Q: What does the appearance look like when the director is at 30° to the polariser direction?
A: Malus Law: It states for a plane-polarized light when it is passed through an analyzer its intensity...
Q: Qamma utr aviolet intrared Xays radar FM TV shortwave AM Tays Tays Fays 10 10 10 10 10 10 10 Wavelen...
A: According to the electromagnetic spectrum Visible light falls in the range of 400 nm to 700 nm range...
Q: (a) Discuss the propagation of field vectors E and H in a conducting medium and show that their spee...
A:
Q: A circular road of radius 1000 m has banking angle 45°. Calculate the maximum speed to avoid the sli...
A: In the given question we have to find the maximum speed (v) of car to avoid the slipping of car at t...
Q: 66 : A steel wire of length 2 m is acted upon by a load of 10 N. Calculate the strain produced in th...
A: Description : In this question we have to find the strain produced in the wire by having the length ...
Q: 2. A 2 meter rod of 60mm of diameter is drawn (pulled/stretched) until its resistance is 25 times th...
A: Part a) Q.2. Given: The initial length of the rod is lo=2 m. The diameter of the rod is d=60 mm. Let...
Q: Given the illustration, a ball is thrown at A with Vo=55ft/s and e=0.90 at A. Compute the distance d...
A: Given: Initial velocity, v0=55 ft/s e=0.9 To find: Distance d
Q: A wire 6.50 m long with diameter of 2.05 mm has a resistance of 0.0290 Ω. What material is the wire ...
A: Length of wire L = 6.50 m Diameter of wire D = 2.05 mm = 2.05 × 10- 3 m Resistance of wire R = 0.029...
Q: To measure the wavelengths of an emission spectrum of a gas a digital spectrometer is used. The peak...
A: The minimum wavelength, λmin=3.0 nm. The maximum wavelength, λmax=1.5 nm. the uncertainty in measure...
Q: RJ o eservoir and also 12 into a 400K energy , it releases an energ in which this heat e
A: a) Given as, The supplied energy to the engine is Qs=325 kJ The supplied temperature to the engine i...
Q: 1.1 A particle has a velocity of v(t)=5t i –t’i 1.1.1 Find the position of the particle at t= 0 s. 1...
A:
Q: A disc of radius r=2 cm attached with a horizontal axle OA, is rolling without sliding on a circular...
A: Given: Radius of disc, r= cm Radius of circular track, R=10 cm Velocity of the disc,v v=10 cm/s To f...
Q: A particle revolves in a circular path or radius 0.5 m at the rate of 720 r.p.m. calculate its linea...
A: Given Data : Radius r=0.5 m,Frequency n=72 r.p.m.=72060=12 Hz To find : Linear veloc...
Q: 4. B=30T |= 20 A 37° | (Lab= Lbc= Lcd=Lde= 2 m) A bended wire, which is carring total current of 20A...
A: Given: Four line segment carrying current of 20 A Magneetic field is 30T and Length of each segment ...
Q: 14. Derive the Lorentz transformations for electromagnetic potential four vector and current density...
A: Solution: Maxwell's field equation is given as Where The second equation can be written as
Q: Four students measured the same the glass of water is 4.20 ml., describe the measurements made by th...
A: Concept used: Accuracy : Measure of degree of closeness of true value to measured (average) value. P...
Q: B. Refer to the visible light spectrum to determine what region of EM radiation does this light fall...
A: Introduction: The part of the electromagnetic spectrum which is visible to the human eye is called t...
Q: Using Lorentz transformation equations, obtain the law of addition of velocities. 1000R
A:
Q: . Given the relationship between Cartesian and cylindrical coordinates (p, p, z), x = p cos y y = p ...
A: Given, x=ρcosφy=ρsinφz=z So, ρ=x2+y2φ=tan-1yxz=z Then, ∂f∂x=∂f∂ρ∂ρ∂x+∂f∂φ∂φ∂x+∂f∂z∂z∂x=∂f∂ρ∂∂xx2+y2+...
Q: 198 The half-life of Au is 2-7 days. Calculate (a) the decay constant, (b) the average-life and (c) ...
A: Given data: Half-life of Au198 τ1/2=2.7 days. Mass of Au198 m=1.00 mg. Atomic weight of Au198 M=1...
Q: digital spectrometer have the peak value for one of the wavelengths is found to be 489 nm. The width...
A: Given that, The minimum wavelength is given by 3.0 nm. The maximum wavelength is given by 1.5 nm. Th...
Q: Dot number Displacement of the puck Time Angular displacement of the pulley s (m) 1 (sec) e (rad) 3 ...
A:
Q: A copper wire of length 25 m has a resistance of 0.55 Q at 20°C. a) What is the radius of the wire? ...
A: Resistance of an object is defined as the opposition to the current flow in the material. It depends...
Q: A 1702 kg solid sphere with a radius of 2.6 m rolls without slipping down an incline of 0 = 41°. If ...
A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts f...
Q: discuss the analogy in the figure below with friction and frictionless
A: The analogy of the figures below can be given as Fig 1) There is a significant height difference whi...
Q: Q 3/ A / A doped semiconductor has 10 billion silicon atoms and 15 million pentavlent atoms. If the ...
A: Semiconductors are those materials that come in between conductors and insulators. A pure semiconduc...
Q: The distance in the parallel axis theorem is multiplied by Select one: a. Linear distance b. Area c....
A: Solution:-(b) Area
Q: A concept often used in mechanics is the principle of moments, which is sometimes referred to as New...
A: The principle of moments states that whenever an object is at equilibrium, then sum of the moments a...
Q: Two football players collide head-on in midair while chasing a pass. The first player has a 90.5 kg ...
A: The following data are given: Mass of 1st player, m1=90.5kg Initial velocity of 1st player, u1=4.60m...
Q: 2 Bölüm 10- soru-29 The angular position of a point on a rotating wheel is given by @20+ 4.0r + 2r, ...
A: In this case, the angular position of a point on a rotating wheel is given in terms of time. We have...
Q: 2.1 The position vector as a function of time of an object moving along a path is given by f=cos(3t)...
A: This problem can be solved using the method of calculus and the definition of velocity and accelerat...
Q: 32 to the aceofenmeh * are th mnles wwVcarI. .. Obtain Galilean transformation equations and show th...
A: (a) The Galilean transformation equations. (b) Show that the distances between two points is invaria...
Q: Q. 7 : The height of water in a capillary tube of radius 2 cm is 4 cm. What should be the radius of ...
A: In the given question, there are two capillaries. We have to find the radius of the second capillary...
Q: You are inside of an 88 m building, to relieve stress you throw a ball vertically upward from the ed...
A: Given: Building's height is 88 m Ball's height above roof even before throwing is 2 m Total height i...
A car drives past a police radar. Calculate the car's speed if the police measure an
Step by step
Solved in 2 steps