Q: A dated box of dates, of mass 7.1 kg, is sent sliding up a frictionless ramp at an angle of e to the...
A: Mass of particle: m = 7.1 kg Velocity of particle at t=0 : u = 4 m/s Velocity of particle at t = 3 :...
Q: A spring has a constant 9f 200N/m. It is compressed 3cm and a small stone of 0.500kg is resting agai...
A:
Q: The figure shows a system of four particles joined by light, rigid rods. Assume a = b and M is large...
A: The moment of Inertia about Z-axis is Iz = 2M(a2)+2m(b2)Iz = 2Ma2+2ma2Iz = 2a2(M+m) The moment of i...
Q: 8. Can you find potential at "P"? Given Q1= 10nC, Q2=Q4=15nC, Q3=-10nC, distance d= 12.0 cm. Also ca...
A: Given data, Q1 = 10 nC Q2 = Q4 = 15 nC Q3 = -10 nC d = 12 cm
Q: One of two identical twins becomes an astronaut, while the other becomes a real estate broker. The a...
A:
Q: A car is braking with a force of 1000 N, and has the following force diagram (all forces affecting t...
A:
Q: Please I want more information about Compare wind and bio energy systems, Any two power plants of ...
A: Answer :- (1)Biomass energy is caused by organic compounds like animal wastes where as wind energy i...
Q: Find whether the given field vector is: i) conservative, ii) irrotational, iii) both? Justify your a...
A: V = yz î + xz j + xy k
Q: capacitance How much charge flows from each terminal of a 12.0-V battery when it is connected to a 7...
A:
Q: The diagram shows two single-turn circular loops of wire placed so they are parallel and concentric....
A:
Q: i need help with solving questions 4, 5 and 6. can anyone please help me how to do it?
A: Answers: (4) : Lf=5.1597 kg m2/s (5) : KEf= 71.45 J (6) : Torque required =0.15835 N-M Explaination:...
Q: Please help with question 2. only please.
A: Given: Frequency ( f ) = 18.8 G Hz => λ = c/f ...
Q: Consider a stationary square loop antenna of area 400cm², which has an internal resistance of R=5 Q....
A: Given that, area (A)= 400cm2 internal resistance (R) =5 ohm ...
Q: A racing car is moving around the circular track of radius 500 meters shown above. At the instant wh...
A: The relation for the acceleration is given in terms of velocity and radius. a=v2r
Q: Two uncharged spheres are separated by 2.70 m. If 2.00 ✕ 1012 electrons are removed from one sphere ...
A:
Q: An archer shoots an arrow at a 75 m distant target; the bull’s-eye of the target is at same height a...
A: Answer: inclination of 16.233° from the horizontal Explaination: here we use range formula as : R=v0...
Q: 91 92 Two point charges are located on the corners of a square as shown. q1=1.9Q and q2=-1.6Q. Find ...
A: Given that the value of charge q1 and q2. Then We have to determine the value of the magnitude of e...
Q: A ray of light in air strikes a glass surface. Is there a range of angles for which total internal r...
A: Explanation: The complete reflection of the light within a medium such as glass or water from the su...
Q: A concentric hollow insulating spherical shell with inner radius r1=1.54R and outer radius r2=4.45R ...
A: Given: In an insulating hollow(concentric) sphere, Inner radii, r1=1.54 R Outer radii, r2=4.45 R At ...
Q: The rotational velocity of a merry-go-round increases at a constant rate from 0.4 rad/s to 1.8 rad/s...
A:
Q: 6. Neglecting friction, determine the horizontal force needed to accelerate a luggage weighing 250 N...
A: Given data: W=250 Nv=0.5 m/st=2 s Need to determine the force required to accelerate the weight.
Q: When light of wavelength 220 nm falls on a gold surface, electrons having a maximum kinetic energy o...
A: Answer: (a) work function =5.1 eV (b) cutoff wavelength = 243.75 nm (c) frequency = 1.23×1015 hz Ex...
Q: An x-ray device emits EM radiation of frequency 4.2 x 1018 Hz. Calculate the wavelength of this radi...
A:
Q: A bicycle wheel can be thought of a uniform hoop with a radius of 48 cm and mass 1.6 kg. Consider th...
A: Given: The radius of the hoop is 48 cm. The mass of the wheel is 1.6 kg. The applied torque is 0.5 N...
Q: A muon has a lifetime of 2 us in its rest frame. It is created 100 km above the earth and moves towa...
A: Lifetime of muon : t = 2 x 10-6 s Speed of muon: v = 2.8 x 108 m/s Muon created at height: h = 100 ...
Q: In the following exercises, find the work done by force field F on an object moving along the indica...
A: Answer: Work done = -66 J Explaination: Given F→(x,y)=-xi^-2yj^ c:y = x3 from (0,0) to...
Q: Physics Question
A: Given : vi = 10 km/hr = 2.778 m/s vf = 12 km/hr = 3.333 m/s t = 30 min = 1800 seconds
Q: 7. The four particles in the specified figure form a square with an edge length of 5.00 cm and charg...
A: Given: Charges are: q1=Q1=5 C q2=Q2=-10 nC=-10×10-9 C q3=Q3=10 nC=10×10-9 C q4=Q4=-50 nC=-50×10-9 C ...
Q: A concrete block of mass 225 kg hangs from the end of the uniform strut of mass 45.0 kg. A cable run...
A: Take strut lenght = l For equlibrium take moment about hinge Here g =9.80665 or you can use this r...
Q: At a distance of 2.3 meters, the maximum strength of the magnetic field in the light from a lightbul...
A:
Q: Question 4
A:
Q: The homogeneous 18-kg pulley is attached to the bar ABC with a pin at B. The mass of the bar is negl...
A: The solution is given below
Q: The screw is subjected to two forces F1 and F2. Determine the magnitude and directions of the result...
A:
Q: In Figure P19.2, assume that in each case the velocity vector shown is replaced with a wire carrying...
A: Consider the right hand rule to determine the direction of the magnetic field forces on the charge t...
Q: Select one simple mechanism(Ineed more clear) (4 links) and explain the following with regards to th...
A: Here cylinder is fixed link. i) According to the nature of contact there is only sliding pair i.e. ...
Q: Physics Question
A: In the crystal lattice it is given that, a= b= c. So, the length of all the sides are equal. Again α...
Q: 1. Ice at 0°c is placed in a Styrofoam cup containing 0.32 kg of lemonade at 27°C. The specific heat...
A: Given: The temperature of ice is 0 C. The mass of lemonade is 0.32 kg. The initial temperature of le...
Q: You are tasked to balanced the two objects that has a mass of 5 kg and 15 kg in a lever machine that...
A: Mass of the 1st object is m1 = 5 kg Mass of the 2nd object is m2 = 15 kg Length of the fulcrum is L ...
Q: PROVE: Inverse Square Law for Sound A law of physics states that the intensity of sound is inversely...
A: The expression for the decibel level is given as B=10logII0 Substituting the values for the intensit...
Q: 3. A body whose relative density is 8 weighs 4 Nin water. what would it weigh in a liquid whose rela...
A:
Q: Part A What is the magnetic force exerted on a 2.15 m length of wire carrying a current of 0.839 A p...
A: Answer: F=1.407 N Explaination: Given values: I (current) =0.839 A L (Length) =2.15 m B (Magnetic f...
Q: / A 65° -incline plane has a mass of 20 kg on frictionless surface plane julol abw, a mass of 50 kg ...
A: Analyze the following figure. For block 1, For block 2, Since both the blocks are connected with a...
Q: The diagram shows a closed circular loop of wire placed near a long, straight wire carrying a consta...
A: Here given the circular loop and a long current carrying wire is placed near each other.Due to long ...
Q: Capacitance A 40 µF capacitor with an air gap of 2 mm is connected across a 12-V battery. (a) Calcul...
A:
Q: Question 3
A:
Q: A dated box of dates, of mass 7.1 kg, is sent sliding up a frictionless ramp at an angle of e to the...
A:
Q: Show all working explaining detailly each step Answer should be typewritten using a computer keyboar...
A: Here given the particle with moving a constant angular velocity ω. Here also given the equation of p...
Q: A 10 N resistor (R1) and a 15 Q resistor (R2) are connected in parallel to an ideal emf device which...
A: As per bartleby guideline for more than one question asked only first is to be answered please uploa...
Q: 33.10 Compare the energy and width of domain boundaries with values for grain boundaries. Based on t...
A: A grain boundary is the interface between two grains, or crystallites, in a polycrystalline material...
Q: The force of attraction on an object below Earth’s surface is directly proportional to its distance ...
A: Consider the Earth to spherical of mass m and radius is r.
Explanation:
The water conducts electricity because of the salt and impurities present as ions in the water but in pure water, salt and impurities are not present, therefore due to the unavailability of the ions in the pure water, it does not conduct electricity.
Step by step
Solved in 2 steps
- A student is carrying out a biological preparation that requires 1 M NaCl tomaintain an ionic strength of 1.0. The student chooses to use 1.0 M ammonium sulfate instead. Why is this a serious error?Why do molecular compounds have low melting and boiling points compared to ionic compounds?give the complete solution