What is the law of magnetism? -Describe what happens when two like poles are brought together. - Describe what happens when two unlike poles are brought together. - State the Law Of Magnetism.

Q: ANALYSIS: A cyclist is coasting at 12 m/s when she comes to a muddy stretch with an effective coeffi...

A: Here the idea is to check, providing the initial velocity and deceleration due to frictional force h...

Q: The blades of a windmill are 15m in length and rotate at 4 revolutions per minute. Determine the exa...

A: Length of blades is r = 15 m Angular speed is  w = 4 rev/ min 1 rev/min = 2 x 3.14 / 60 rad/sec 1 re...

Q: A 0.543 kg block is placed on top of a vertical spring of constant 1,200 N/m and pushed down so that...

A: Given: Mass of block,m=0.543kgSpring constant,k=1200N/mDisplacement,x=0.300m The elastic potential e...

Q: An amoeba is 0.303 cm away from the 0.298 cm focal length objective lens of a microscope. (See the i...

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Q: Initially 73 grams of radioactive substance was present. After 6 hours the mass had decreased by 7%....

A: Given, After 6 hours the mass had decreased by 7%. The decay rate is 7%. A differential equation for...

Q: What would we see on Earth if the Sun's internal energy source suddenly shut down? How long would it...

A: Neutrinos are very light subatomic particles with very little mass. Neutrinos are particles that loo...

Q: The man in figure shown pushes on the 36-kg crate with a force of F = 150 N. Determine the power sup...

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Q: ction betwee t move (a =C

A: Given as, Weight of block A = 60 N, Coefficient of friction between the horizontal surface and block...

Q: Write down the inertia tensor for a square plate of side ? and mass ? for a coordinate system with o...

A: Moment of inertia of a body tried to resist the angular acceleration due to external torque. Moment ...

Q: frictionless pulley. The co ne mass of block B so the

A: Given as, Weight of block A = 60 N, Coefficient of friction between the horizontal surface and block...

Q: For the current carrying wire shown in the figure below, I = 25.1 A, r1 = 5 cm, and r2 = 10 cm. The ...

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Q: 4. The Helmoltz free energy per mole of a gas is given by f(T, v) = cT(1 – In T) – RT In(v – b) + fo...

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Q: A stone is thrown with an initial velocity of 250  m/s upward at 60o to the horizontal. Neglect atmo...

A: Projectile motion.

Q: 6. An inductive coil and a non-inductive resistance R ohms are connected in series across an a.c. su...

A: Given: Inductive and non-inductive resistance connected in series Length of inductive coil, L Volatg...

Q: Five balls of different masses were launched as shown. v = 6 m/s m = 2 kg v = 6 m/s v = 6 m/s v = 3 ...

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Q: A 600 N freshman was shot out of a cannon at an upward angle. He landed 2.5 s later in a net at the ...

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Q: A rectangular loop (shown below) with a length of 20 cm and a width of 15 cm has 20 turns and carrie...

A: Torque is the rotational equivalent of linear force. Torque is the force that causes an object to ro...

Q: A 17.0 m long, thin, uniform iron bar slides north at a speed of 28.0 m/s. The length of the bar mai...

A: Solution:-Given thatLength of bar (l)=17 mSpeed (v)=28 m/sVertical component of Earth's magnetic fie...

Q: What is the efficiency of an engine that exhausts 840 J of heat in the process of doing 360 J of wor...

A: Given that,Exhaust heat, Q2=840 JWork, W=360 JWe know thatη=WQ1=WW+Q2

Q: Please answer should be clear.

A: Calculation: Let us consider the 3-dimensional vector A⇀ as follows- A⇀=Axi^+Ayj^+Azk^∴∇⇀×A⇀=i^j^k^∂...

Q: A cord is wrapped around the rim of a solid uniform wheel 0.200 m in radius and of mass 7.20 kg. A s...

A: Given: Mass of wheel,mw=7.20kgRadius of wheel,rw=0.200mHorizonatl Force,FH=30NAcceleration due to gr...

Q: Sketch several periods of the corresponding periodic function of period 27. Expand the In each of th...

A: The given functions are: 1. fx=1,   -π<x<0,0,    0<x<π. 2. fx=0,   -π<x<0,1,    0&...

Q: 2. Block 1 and block 2, with masses m, = 5 kg and m2 = 2 kg, are connected by a system of massless, ...

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Q: Consider the system below. Two blocks are connected by one string. Draw the FBD of the system and ca...

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Q: (d) What is the speed of the block when its displacement is 0.160 m? m/s (e) Find the kinetic energy...

A: Note :- Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the questi...

Q: These cannonballs are all fired at the same angle. The masses are different as shown. The initial ve...

A: Momentum concept.

Q: The Chinese Shenzhou capsule is capable of carrying     up to three people to Low Earth Orbit    ...

A: Solution: Question 1. The Chinese Shenzhou capsule is capable of carrying Answer: up to three people...

Q: Find the efficiency of Heat engine operating between 27 C and 327 C.

A: Given that,T1=27°C=27+273.15K=300.15KT2=327°C=327+273.15K=600.15 K

Q: Q1: Red (A=700 nm) light is shone through a double slit of width 5 micrometers and forms a diffracti...

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Q: A thin rod of length L= 2.00 m has a variable mass density given by: A(x) = (16x² + 3) and lies on t...

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Q: Starting with the equation = -S, derive four equivalent fundamental lar), equations that are called ...

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Q: a car goes from 5 m/s to 22 m/s in a distance if 320. what is the acceleration

A: initial speed of the car, u=5m/s final speed of the car, v=22m/s The distance travelled by the car, ...

Q: A charge with q = 2 C moves with a velocity of (4i + 10j + 4.4k) m/s and experiences a magnetic forc...

A: Given: q=2 C v⇀=4i^+10j^+4.4k^F⇀B=(8i^-12j^+20k^) Introduction: Lorentz force is defined as the comb...

Q: The spring is initially compressed 0.5 m, and block A is released from rest, in the position shown i...

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Q: A tennis ball is hit straight up into the air at a velocity of 9 m/s. How long will it be before the...

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Q: A ½ kg ball moves in a circle 0.4 in radius at a speed of 4m.s. compute the centripetal force of the...

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Q: The wave function for the first excited state , for the simple harmonic oscillator is , = Axe-(ax/2)...

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Q: A stone is thrown with an initial velocity of 250  m/s upward at 60o to the horizontal. Neglect atmo...

A: Given data, Given data, Initial velocity of the projectile = 250 m/s Angle of projection = 60o Time ...

Q: An infinitely long wire carrying a current I is bent at a right angle as shown in the figure below. ...

A: Given, Current flowing in the infinite wire is, i=I point P is located at distance x from the corner...

Q: 3. An 8525 nF capacitor has a charge of 10.5 x 10-8 C. What is the voltage capacitor? across the

A: Given that,Capacitor, C=8525 nF=8525×10-9 FCharge, q=10.5×10-8 CWe know that,q=C.V

Q: Five balls of different masses were launched as shown. v = 6 m/s m = 2 kg v = 6 m/s m = 2 kg v = 3 m...

A: Time in air can be calculated by           T = 2hg Where h is height              g is acceleration ...

Q: Four very long, parallel conductors carry equal clectric currents (I-2- Ia - I- 10 A). Figure 5 is a...

A: Hey dear using the right hand screw rule we can find the magnetic filed at any point due to a straig...

Q: Centripetal force and tangential velocity are while centripetal for and centripetal acceleration are...

A: In a circular motion, tangential velocity is perpendicular to the trajectory of the object and centr...

Q: Note: You may use a basic calculator for this question. - Consider the functions f:R? → R°, f(x, y) ...

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Q: 50 kN 20 kNm B D 3m 15m * 1 m

A: Solution:-Given that Concept:-As the beam is under equilibrium, net force and net moment will be ze...

Q: An object is being spun at the end of a rope 0.30 m long and is in a uniform circular motion. In 2 s...

A: Angular frequency is the angle covered in radians per unit time of a moving object. ω=2πT ω=angular ...

Q: base on figure 4.6, Is your velocity vs time graph a straight line? Is the velocity proportional to ...

A: TO DETERMINE: (a) Is your velocity vs time graph a straight line? (b) Is the velocity proportional t...

Q: Given a fluid flow velocity field in two dimensions F(x, y) = (−3y, 3x) and the area D is bounded by...

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Q: The 45-lb block A and the 55-lb block B are supported by an incline that is held in the position sho...

A: Concept: In order to determine the value of θ for which motion is impending we will draw free body d...

Q: We have detected a major increase in the solar wind from the Sun. The density and speed of material ...

A:   Solar flares are huge explosions that occur in the sky. A solar flare is a burst of electromagneti...