What are the positives of oil?

Q: An electron is at rest just above the surfaceof a sphere with a radius of 2.7 mm and a uniformly dis...

A: The radius of a sphere is, The distributed charge on a sphere is,

Q: The motion of a car is shown in the graph below. Use the graph to answer the following:   a) Calcula...

A: For the first 5 seconds, as shown in the graph, it is a uniform acceleration motion Hence, by using ...

Q: A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of 80 ...

A: To determine,The car's centripetal acceleration in ms-2.given,Track diameter(d)=1 km=1000 mso, Track...

Q: Why dielectric material is placed between two metal plates of capacitor.

A: Dielectrics are non-conducting materials which when placed between the plates of capacitor gets pola...

Q: A therapist tells a 70.0 kg patient with a broken leg that he must have his leg in a cast suspended ...

A: The mass of a thigh is, mT=12×0.21570 kg=7.525 kg The center of the mass of a thigh is, xT=18 cm=0.1...

Q: 1 -1 -2 -3 -4 4 6. 8. 10 12 14 16 How is the intensity or frequency of the sound wave changing from ...

A: From left to right it is clear that wavelength is decreasing.

Q: A marble rolls horizontally off a table that is 0.8 m tall. If the marble lands 0.6 m from the base ...

A:

Q: 1a) A race car goes around a level, circular track with a diameter of 1.00 km at a constant speed of...

A: Dear student,                     There are three different problems that you have given in the form...

Q: Lasers can be constructed that produce an extremely high intensity electromagnetic wave for a brief ...

A: Given data The maximum electric field strength is given as E = 1.00 × 1011 V/m. The time is given a...

Q: Suppose that 4 J of work is needed to stretch a spring from its natural length of 34 cm to a length ...

A: Let the natural length of the spring be x0 and the spring constant be k. It is given that the work d...

Q: A running back (RB) of mass m1 = 98 kg is running at v1= (8.1m/s)ĵ (LB towards the end zone. A lineb...

A: 1) Using conservation of momentum along x direction : m2V2 = (m1+m2)Vx m2V2/(m1+m2) = Vx   2) 111(7....

Q: (a) What is the kinetic energy in joules of a 970-kg automobile traveling at 93 km/h?=_____ J(b) How...

A: a) Given data The mass of the automobile is given as m = 970 kg. The velocity of the automobile is ...

Q: Which of the following best describes the magnetic field lines near a current carrying wire? A. Circ...

A: The direction of the Magnetic field can be found using right hand thumb rule

Q: Question in the attachments

A: V (rms) = 48.5 V I (rms) = 1.54 A L = 0.00796 H Using , V = I Z where Z is the impedence 48.5 = 1.54...

Q: QUESTION IN THE ATTACHMENTS

A:

Q: You are exiting a highway and need to slow down on the off-ramp in order to make the curve. It is ra...

A: Frictional force of mass m with coefficient of static friction μ, =μmg Centripetal force of mass m m...

Q: Even though the motion of a simple pendulum is not simple harmonic motion when the amplitude of osci...

A: Given data The mass of the pendulum is given as m = 2 kg. The length of the string is L = 0.6 m. Th...

Q: A block with a mass of 39.5 kg is pushed with a horizontal force of 150 N. The block moves at a cons...

A: mass = 39.5 kg horizontal force = 150 N acceleration = 0 distance = 5.95 m   a) work done by 150 N f...

Q: You may have noticed a small convex mirror next to your bank’s ATM. Why is this mirror convex, as op...

A: The structure of the convex mirror opposite to flat or concave.   The curve-shaped mirror used in op...

Q: 9. Why are many electrical wires wrapped with a plastic coating? (S8P5C) 10. Identify materials that...

A: 9.Why are many electrical wires wrapped in plastic coating: Since plastic is a good insulator, it pr...

Q: The Reaumur scale is a temperature scale that was used widely in Europe in the 18th and 19th centuri...

A: Given: The temperature in Celsius scale is T=25°C.   In the Reaumur scale, the freezing point of w...

Q: Suppose you are using total internal reflection to make an efficient corner reflector. If there is a...

A: Given: The incidence angle is θ=45.0°C.   The expression of critical angle is given by, sinθc=n2n1...

Q: What is the linear density of the string? kg/m Submit Answer Tries 0/2 At what speed would a wave pr...

A: GIVEN : Length l = 1m Mass m = 8 g = 0.008 kg Force = 2000 N (a) Linear Density of string : μ=ml Plu...

Q: A string of mass 3 grams is stretched to a length of 1.2 meters and fastened at both end so that it ...

A:

Q: Identify the unknown particle X in the following equations for nuclear decay, and state whether each...

A: Introduction: Alpha rays are the positively charged particles. Alpha-particle is highly active and e...

Q: C7 4.) Which of the following is true about frictional forces? a.) They can increase kinetic energy....

A: The frictional force always acts between the contact surfaces in the opposite direction of the objec...

Q: Please answer all of the questions pictured below by selecting the correct answer choice for each pl...

A: “Since you have posted multiple questions, we will solve the first question for you. To get the rema...

Q: Need help on this question. Please and thank you

A:

Q: How many days would it take for the particles to reach earth if thr solar wind speed increased to 20...

A: Given data The increased velocity of the solar wind is given as v = 2000 km/s.   The time or days ...

Q: Technetium-99 (half-life = 6.0 h) is used in medical imaging. How many half-lives would go by in 22 ...

A: Half life of technetium = 6.0 hr Total time = 22 hr Number of half lives in 22 Hr = 22/6  = 3.666666...

Q: During 4th period Jada was a beast. She resisted the forces applied by 5 peoples in his class all at...

A: Newton's third law: It states that " Every action have their equal and opposite reaction".

Q: A circuit consists of three resistors connected in series to a 24.0-V battery. The current in the ci...

A: Given: Three resistors connected in series. R1 = 225 ohm R2 = 155 ohm Voltage V = 24 V Current I = 0...

Q: A 0.800-kg mass attached to a vertical spring of force constant 96.8 N/moscillates with a maximum sp...

A: mass = 0.8 kg K = 96.8 N/m Maximum speed = 0.44 m/s   a) using formula for spring constant k = m (2π...

Q: You discover a new type of microscopic, atom-like object. The energy levels for this object are give...

A: As per the given information in the question, En=E1n........(given)E1=-36 eV.....(given)a) Excitatio...

Q: A step-up transformer is designed so that the output of its secondary winding is 2000 V (rms) when t...

A: a) The number of turns in the secondary winding is given by, VsVp=NsNpNs=2000V110V100Ns=1818

Q: C7 10.) The force of gravity does NOT do work on an object that is what? a.) being pushed upwards b....

A:

Q: 9. kn object is thrown upwards from the roof of a bulding, landing on the ground at the base of the ...

A: Introduction: Motion of the object can be explained with the help kinematical equations of motion. K...

Q: Using the following picture, find out what the incident angle will be.

A: To determine,Angle of incidence(i).given,Reflected ray makes an angle of θ=70o

Q: There is a 5 kg mass hanging on the spring in the following picture. It moves up and down in simple ...

A: Now, the position of the mass is at equilibrium position, at equilibrium position the mass has great...

Q: A car travels a distance of 450 km in a straight line for 4.50 hours from Hither to Yon. The car the...

A: a) car's average speed from hither to yon = distance / time  = 450 km/4.5 hr  = 100 km/hr    

Q: Using the exact exponential treatment, find how much time is required to charge an initially uncharg...

A:

Q: We have an object that has some volume. You put it in pure water and it floats! 66% of the object’s ...

A: When an object that has some volume floats on the water by getting submerged to a certain percentage...

Q: How many particles are present in a closed container if the energy it contains is 95720.06 J, and th...

A:

Q: What uniform magnetic field, applied perpendicular to a beam of electrons moving at 2.70 ✕ 106 m/s, ...

A:

Q: What is the x and y components of the velocity of a ball kicked at an angle of 37⁰ from east and has...

A: Given : Velocity of the ball, v = 21.7 m/s Angle of the ball, = 37⁰ from east (x) Required :  x and...

Q: Initially, the translational RMS speed of an atom of a monoatomic ideal gas is 250 m/s. The pressure...

A: Formula of rms speed of gas is as follows; vrms=3PVM                                                ...

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!