What is the magnitude of the average drag force ?drag exerted on the car?

Q: An engineer trying to determine whether her crane will tip over when attempting to lift a 19K load. ...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: Write the primitive basis vector á of FCC copper (show all details. write it with plugging lattice c...

A: Given,  FCC copper has a radius r=130 pm Lattice constant, a is given by: a=4r2 So, a=4×1302=367.69 ...

Q: Advanced Physics Question

A: a. Lu was running in a straight line in the positive x- axis with a decreasing velocity. At time t=1...

Q: A physics professor leaves her house and walks along the sidewalk toward campus. After 5 min it star...

A: The expression for the velocity can be written as v=dxdt                                   1 The der...

Q: A small block with mass 0.130 kg is attached to astring passing through a hole in a frictionless, ho...

A: The forces acting on the system and if they contribute to a net torque. Weight of the block (W) is p...

Q: answer Q 6

A: The vertical component of normal force balances gravitational force mg Ncosθ = mg _____(1) While hor...

Q: An insulated container of negligible mass holds 0.600 kg of waterat 45.0C. You put a 0.0500 kg ice ...

A: Part (a) Given: The mass of ice is mi=0.0500 kg. The mass of water is mw=0.600 kg. The initial temp...

Q: A tractor of mass 5.40 tonne pulls a 1.40-tonne crate up a hill with a slope angle of 12.0° above th...

A: Part-a Given: The mass of the tractor M = 5400 kg. The mass of the crate m = 1400 kg. The angle of ...

Q: In Canadian football, after a touchdownthe team has the opportunity to earn one more point by kickin...

A: Given: In Canadian football, after a touchdown the team has the opportunity to earn one more point b...

Q: The Stanford Linear Accelerator accelerated electrons to an energy of 50 GeV. What is the de Broglie...

A: The energy is too huge as compared to the rest mass energy of electron. the de Broglie wavelength is...

Q: If the RR Lyrae stars in a globular cluster have average apparent magnitudes of +19, how far away (i...

A: From the figure, absolute magnitude of RR Lyrae star is 0.75. Using the Magnitude-Distance formula, ...

Q: You are given a sample of metal and asked to determine itsspecific heat. You weigh the sample and fi...

A: The quantity of heat required to raise the temperature of a body is,   Q=mc∆T       (I)          m=m...

Q: You are in a rocket ship going faster and faster. As yourspeed increases and your velocity gets clos...

A: The frame of reference can be described as the framework that is utilised for the measurement and ma...

Q: A 0.400 kg object undergoing SHM has ax = -1.80 m/s2 when x = 0.300 m. What is the time for one osci...

A: The value of acceleration is -1.80 m/s2, the negative sign shows the direction of acceleration and d...

Q: A baseball pitcher does work with histhrowing arm to give the ball a propertycalled kinetic energy, ...

A: Part (i) In this case, the kinetic energy can be calculated as: KE1=12mv2KE1=120.145 kg20.0 m/s2×1 J...

Q: A 5 kg particle experiences only two forces: A 361 N force in a direction 33 degrees S of W, and a 1...

A:

Q: The index of refraction for violet light in silica flint glass is ny , and that for red light is nR....

A: Index of refraction for violet colour = nV   Index of refraction for red colour = nR   Angle of inci...

Q: You find a sealed box on your doorstep. You suspect that the box contains several charged metal sphe...

A: The expression for Gauss’s law is given by: ϕE=qεo Here, ϕE is the electric flux of the field, q is ...

Q: Two protons (each with mass mp = 1.67 x 10-27 kg) are initially moving with equal speeds in opposite...

A: Energy before the collision is, γ2mprotonc2 energy after collision is 2mprotonc2+mpionc2 as energy b...

Q: Prove that dσ x νφ Jas pdr

A: Given  Prove that  

Q: A satellite 575 km above the earth’s surface transmits sinusoidal electromagnetic waves of frequency...

A: (a) The intensity of the wave is I=PAI=P4πR2I=25×103 W4π575×103 m2I=6.02×10-9 W/m2 (b) The amplitude...

Q: Some N2 has is mixed with some O2 has and the sketch below shows a representative sample of the mixt...

A: Given: The total pressure of the mixture is P = 3 atm. Let us assume an equal amount of N2 gas and O...

Q: 2) A strap inclined upward at 45° angle Before: After: Known To 20 N 6 = 45° d-100 m pulls a suitcas...

A: The work done by force F on an object is given by Where F = Force on the object, S = displacement o...

Q: What is the wavelength of the fluorescence photon in the bulk semiconductor?

A: Fluorescence is the emission of light by a substance that has absorbed light or other electromagneti...

Q: Block A rests on a horizontal tabletop. A light horizontal rope is attached to it and passes over a ...

A: The problem can be depicted in figure as: Given,  Block B moves downward to 1.80 m in 2.00 s so  bl...

Q: Part B

A:

Q: A bowling ball weighing 71.2 N (16.0 lb) is attached to theceiling by a 3.80 m rope. The ball is pul...

A: Given: The weight of the ball is W=71.2 N. The length of the rope is l=3.80 m. The speed of the bal...

Q: A radio station on the earth’s surface emits a sinusoidal wave with average total power 50 kW. Assum...

A:

Q: If the Sun is 4.6 billion years old, how many times has it orbited the Milky Way galaxy? (The Sun is...

A:

Q: An example of an elastic collision is The gravitational slingshot effect . A spacefship of mass 750 ...

A:

Q: What would be the efficiency of a Carnot engine operating with TH = TC ? What would be the efficienc...

A: Carnot engine operates when there is a temperature difference between the source and the sink.  If T...

Q: A roller coaster moves through a vertical loop at a constant speed and suspends its passengers upsid...

A: The direction of force which causes the roller coaster to move in a circle is centripetal force. Its...

Q: What are the x and y components of the resultant electric force exerted on the charge at the origin ...

A:

Q: Just after launch, the space shuttle flies straight up, and it takes 8.0 s to reach a speed of 160 k...

A: Given  u = 0 m/s  v = 160 km/hr = 44.44 m/s t = 8 s     

Q: An object starts from a rest and undergoes a circular motion for a period of 4.41s until it turns at...

A: The equation of rotational motion is given by, Here,ωo, ω denotes the initial and final angular vel...

Q: In uniform circular motion, what are the average velocity and average acceleration for one revolutio...

A: As there is no component of acceleration along tangent to the circular path therefore the magnitude ...

Q: Neurons are componentsof the nervous system of the body that transmit signals as electricimpulses tr...

A: Given: The number of sodium ions N = 5.6×1011 ions/m. The length of the axon l = 1.5 cm.

Q: An object is undergoing SHM with period 0.900 s and amplitude 0.320 m. At t = 0 the object is at x =...

A: Part (a) Given: The time period of the motion is T=0.900 s. The amplitude of the motion is A=0.320 ...

Q: Which choice is not a nondimensional variable defined to nondimensionalize the equations of motion? ...

A: Given: The variable to make the motion equations non-dimensional.  

Q: Comets travel around the sun in elliptical orbits with large eccentricities. If a comet has speed 2....

A: The angular momentum is conserved. that is, mv1r1=mv2r2⇒v1r1=v2r2v2=v1r1r2

Q: Answer Q4, Q5, and Q6

A:

Q: An inductor with L = 2.50 mH is part of the circuit for an aviation radio beacon that operates at 10...

A: Given: An inductor of circuit L=2.50 mH Frequency, f =108 MHz      

Q: A student places blocks on a 100cm long see-saw as shown. Answer all questions relative to the fulcr...

A: torque = force x distance of line of action of force from pivot t= f x r  For block A  F = W = 4 N r...

Q: You are designing a flywheel. It is to start from rest and then rotate with a constant angular accel...

A: Given data: The angular acceleration is α=0.200 rev/s2. The rotational kinetic energy is K=240 J. T...