The rocket is at height of 150 km above the Earth. Thus, the distance r in which is measured from the center of the Earth, is equal to the Earth's radius plus 150 km. What is the escape velocity required for a circular orbit at this height?

Q: Vhas Thed is standing on a bridge. He is at a height 83.6 m above the water below. Suddenly he recei...

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Q: Describe the principle of the seismometer.

A: Seismometer is ground-motion detection sensor which fixed in seismograph. It is coupled with a recor...

Q: A high-speed dart is shot from ground level with a speed of 150 m/s at an angle 30° above the horizo...

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Q: What is the entropy change for 2.45 mol of an ideal monatomic gas undergoing a reversible increase i...

A: Given: The number of moles of the monoatomic gas is 2.45 moles. The initial temperature is 361 K. Th...

Q: Two charges, 4.2 mC and -11.0 mC are separated by distance 41 m. What is the magnitude of the electr...

A: Given data:  Charge (q1) = 4.2 mC = 4.2×10-3 C Charge (q2) = - 11.0 mC = -11.0×10-3 C Distance (r) =...

Q: The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.0 m...

A: initial velocity (u) = 5 msmaximum height above the right side of the ramp = h   

Q: When a 10,000-m runner competing on a 400-m track crosses the finish line, what is the runner’s net ...

A: Length of track 400m Distance covered by runner = 10000m

Q: 11. A steel ball is dropped from a height of 100 meters, and is accelerating due to gravity, which v...

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Q: A hot air balloon was rising at a rate of 506 feet per minute (ft/min). Use the following facts to c...

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Q: If a = 3.0 mm, b = 4.0 mm, Q, = 60 nC, Q2 = -80 nC, and q = 36 nC in the figure, what is the magnitu...

A: Working formula: According to Coulomb's law the magnitude of electrostatic force between two charges...

Q: You have two lightweight metal spheres, each hanging from an insulating nylon thread. One of the sph...

A: Assume that there are two light weight metal spheres which are hanged using an insulated nylon threa...

Q: 1. Given: Vector D, with horizontal and vertical components: 20 in and 30 in, respectively. Vector D...

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Q: A defibrillator sends a 6.75 A current through the chest of a patient by applying a 9500 V voltage a...

A: Given data:  Current (I) = 6.75 A Voltage (V) = 9500 V Required: The resistance (R) in kΩ

Q: Light of wavelength 535 nm passes through a single slit of width 2.00 x 10-5 m. What is the angle be...

A: Given: The wavelength of the wave is 535 nm. The width of the slit is 2x10-5 m.

Q: If a = 3.0 mm, b = 4.0 mm, Q, = 60 nC, Q, = 80 nC, and q = 32 nC in the figure, what is the magnitud...

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Q: The light from a laser has a wavelength of 500nm. What is the energy of one photon?

A: Wavelength =500nm=500×10^-9m

Q: A car is traveling due East at a rate of 36.2 kph and a train is due North at a speed of 74.70 kph a...

A: Initial speed of car, vo = 36.2 kph Time taken to reach intersection, t = 10 s Distance of intersect...

Q: White light in air (n = 1.00) strikes crown glass at 32.00°. Find the difference in the refracted an...

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Q: What is the instrument used to detect the presence of a charge and sign of the charge? * endoscope p...

A: Given  Instrument used to detect presence of charges and their signs is???   

Q: 42. * A car traveling at 80.0 km/h is 1500 m behind a truck traveling at 70.0 km/h. How long will it...

A: GivenVelocity of car (VC) =80.0 km/hVelocity of truck (VT) =70.0 km/hSeperation between truck and ca...

Q: You and your mother travel from home to school to have your Covid-19 vaccination. From your house, y...

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Q: What would be the voltage across Resistor 1, 2 and 3

A: The equivalent Resistance when two resistors of resistance R1 and R2 connected  i) series Req= R1+...

Q: Motion of an Object W Y Time At which interval was the object moving the fastest? Oz OX Position

A: Given that:- Position-time graph of an object is given in the question.

Q: etions: Solve the following problems neatly and completely in the box below ONLY. A charge of 12 C p...

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Q: A particle is observed to start at rest and accelerates at a= 30 +2t where t is in seconds, until it...

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Q: Position of a particle moving along the x-axis varies in time according to the following expression ...

A: Given data:  Position as function of time xt = -2.0 ms3t3 + 6.0 mst - 2m Required: The average veloc...

Q: Yeji walks 8km East, then 5km South and finally 6km West. Find her resultant displacement and direct...

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Q: If the tube length is 1.00+0.05m, the magnet takes 2.5±0.1 s to fall through the tube. What is the t...

A: Given that:- Length of tube=(1.0+-0.05)m  Time=(2.5+-0.1)sec  

Q: (a) For 4.84 moles of a monatomic ideal gas taken through the cycle in the figure, where V1 = 4.00V0...

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Q: Light passes through a single slit of width 8.32 x 10-5 m. The first (m = 1) diffraction minimum occ...

A: GivenWidth of the slit (d) =8.32 x 10-5 mOrder of minimum (m) =1Angle of first minimum (θ1) =0.347°

Q: Find the pressure at 13 KM in standard atmospheric conditions. *

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Q: all positive test charge is released near a fixed positive point charge, it will fly away from the p...

A: We know that the  formula of the force between the charge is given as  F = kq1q2r2 where q1 and q2 a...

Q: The Deligne Dam on the Cayley River is built so that the wall facing the water is shaped like the re...

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Q: When pushing off horizontally from a pool wall with her legs, the resulting force of the wall on the...

A: compression in length (∆L) = 2.98×10-5 m Length (L) = 36 cm = 0.36 m Radius (r) = 1.82 cm = 0.0182 m...

Q: If it is 2 PM right now, what time was it 150 hours ago?

A: Current time = 2 PM To find: Time before 150 hrs=?

Q: A ball is thrown upward. Its initial vertical component of velocity is 30 m/s and its initial horizo...

A: The answer is below

Q: An area of 15.5 m? on the surface of a spherical shell is crossed by 10 µC of flux in outward direct...

A: Area of the surface A=15.5 m2, flux density through the surface ϕ=10, charged enclosed by the shell ...

Q: A ball is thrown upward at a velocity of 25 m/s. What is its height after 3.0 s, assuming negligible...

A: Given: The initial velocity of the object is 25 m/s. The time interval is 3 s.

Q: This is the x-t graph for an object moving along the x-axis. Which of the following descriptions of ...

A: In this question we have to analyze the given graph of position v/s time and answer accordingly. Ple...

Q: 51. A force of 0.2 newton is needed to compress a spring a distance of 0.02 meter. The potential ene...

A: Given: The applied force is 0.2 N. Then compression in the spring is 0.02 m.

Q: DQ: Tub solemo:ds are close to each other, as shown in the tiqure, with the Switch S open t open hen...

A: We have two solonoid one contain galvanometer and 2nd solenoid have switch

Q: Determine the magnitude of the electric field at a point midway between a -8.0 uC and a 8.6 uC charg...

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Q: The disintegration energy of the decay30 P15 by position emission is 4.30 Mev.  The daughter nuclide...

A: Given, The disintegration energy of the decay30 P15 by position emission is 4.30 MeV. The daughter n...

Q: 1. The number of turns on the primary and secondary windings of a 1-0 transformer are 350 and 35 res...

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: A particle is observed to start at rest and accelerates at a 30 + 2t, where t is in seconds, until i...

A: acceleration a = 30+2t Retardation a= -0.003v2

Q: (i) A 100-turn coil oriented its plane to a magnetic field in certain angle as shown in Figure 3. Gi...

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Q: Identical point charges Q are placed at each of the four corners of a 3.0 m x 4.0 m rectangle. If Q ...

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Q: 4. A15 gram gun fires bullet at a muzzle velocity of 600 m/s. What is the recoil velocity of the gun...

A: Velocity of bullet v=600 m/s, mass of gun M=15 gm and assume mass of bullet to be m=1 g. We need to ...

Q: Diagram the forces acting on the crate.: B.) Pulling a crate at an angle A.) Pulling a crate ... 30°

A: According to question we need to draw the free body diagram.

Q: A compact disc is rotating at 50 rpm. If it takes 10 complete revolutions before slowing to a stop, ...

A: Given  Initial angular speed ωi=2π×5060=5.23 rad/s Angular displacement θ=2π×10=62.8 rad Final angul...

Central Force

Central force is the force that acts along the center of mass of one body to the center of mass of another body. Its direction from or away from a point on a body to another is called the center of the force. Such forces include gravitational force between two massive objects or electrostatic forces between two charged particles. So from atoms to planets, the central forces play an important role in shaping our daily lives. One of the remarkable features of central forces is that they are conservative, i.e. the total energy of a central force system can always be expressed as a gradient of a potential energy function.