Say that a hydrogoen atom is held together only by the force of gravity. Find the radius of its ground-state orbit as well as the energy of its ground state (in eV).

Q: Generalize the analytical method of resolution and addition to the case of three or more vectors in…

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Q: Question 6 The circuit alongside shows a 100 µF capacitor connected in parallel with a 1500 resistor…

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Q: mass attached to a spring, which in turn is attached to a wall, is free to move on a friction-free…

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Q: a) Make a sketch of the dipole after it rotates. This is its lowest energy state, that is, the…

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A: Given data:  A booster released straight upward  Initial height (hi) = 5.0 km = 5000 m Initial…

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Q: 5. Consider these three vectors: A, B, and C. a. Draw these three vectors as a chain, and find their…

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Q: Earth is about 12,000 km in diameter. It is therefore how many orders of magnitude wider than you…

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Q: consider the following vectors below: 1. which of the following statements is false? a. A x (B+C) =…

A: Given value--- A = 2i + k. B = -5i - 7k. C = 9i -j + k. We have to find--- 1. which of the…

Q: Scalar quantities are not complete without .specifying their directions True O False O

A: The scalar quantities are those physical quantities which have only magnitude  . They do not need…

Q: Explain a reaction takes place in a perfectly sealed and insulated container, then the total energy…

A: The first law thermodynamics is states that the energy cannot be created or it cannot be destroyed.…

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A: Given that, there have two type quantity  first is displacement , and other is velocity .

Q: the racket horizontally with a speed of 26.6m/s. The hits the court at a horizontal distance of…

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Q: What is the height of the hollow cylinder?

A: Given data:  The vernier caliper readings for the hollow cylinder Required: The height of the hollow…

Q: Sophia is cruising at 28.0 m/s down Lake Avenue and through the forest preserve. She notices a deer…

A: Given data:  Initial velocity (u) = 28.0 m/s Final velocity (v) = 0 m/s Initial distance of deer…

Q: Two 1.70-cm-diameter disks spaced 2.00 mm apart form a parallel-plate capacitor. The electric field…

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Q: A drowsy cat is looking at a window from across the room, and sees a flowerpot that sail first up…

A: Given : Total time, T = 0.46 s  Height of window, h = 2.20 m  Find : How high above the window does…

Q: The brakes of a truck cause it to slow down by applying a retarding force of 3820 N to the truck…

A: Given data:  Applied force (F) = -3820 N Displacement (d) = 1180 m Required: Work done by the…

Q: The three-toed sloth is the slowest moving land mammal. Assume that on the ground the sloth moves at…

A: Given: Avg. speed of the sloth =0.0428 m/s speed of tortoise=0.0515 m/s time of travel= 7.10…

Q: What is the electric force from the rod on the point charge Q? Suppose that Q=16.9 nC and L= 4.27…

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Q: A rifle is fired from the top of a 90 m tall building.  The initial velocity of the bullet is 350…

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Q: 2. Sprinter A sprinter can accelerate with constant acceleration for 4.0 seconds before reaching top…

A: solution :- Given that,  time of acceleration t1 = 4 sec  total distance  =  100 m  total time of…

Q: Two moles of a dilute gas initially have a pressure equal to 100 [kPa], a volume equal to 0.02 [m³]…

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Q: 2. A stuntman jumps across a river on his motorcycle. The ramp he is using is angled up 53.0° from…

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Q: III. a) Compute the angle Oz between the force Vector F and the z-axis. b) Determine the rectangular…

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Q: A 10% efficient engine accelerates a 1500 kg car from rest to 15 m/s. How much energy is transferred…

A: Given:e=10% , m=1500kg and v =15m/s.Formula:Heat engine's efficiency(e).e=WoutQH.......(1)Wout is…

Q: As a sailboat sails 55 m due north, a breeze exerts a constant force F₁ on the boat's sails. This…

A: Given Data:- Magnitude of s1→=55 m Magnitude of s2→=44 m Magnitude of two forces are equal.…

Q: car slams it’s brakes for 13.6m with an acceleration magnitude of 18m/s^2. how much time does it…

A: Given data distance cover (d) = 13.6 m acceleration (a) = 18 m/s2 here acceleration will be negative…

Q: calorie is a unit of heat or energy and it equals about 4.2 J where 1J= 1 kg m²s²². uppose we employ…

A: Given, A calorie is a unit of heat or energy and it equals about 4.2 J where 1 J = 1 kg m2 s-2. Now…

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A: Given that  A ball with mass 0.15kg is thrown upward with initial velocity 20m/s afrom the roof of a…

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Q: Three radio-equipped plumbing vans are broadcasting on the same frequency for Van 1 is moving east…

A: We have to apply the relativistic doppler effect formula in this regard. The formula is f =1+β1-βf0…

Q: What is the reason that a beaker of water in a room would boil at something less than 100°C?

A: BOILING POINT         The temperature at which a liquid change its state from liquid to vapor is…

Q: A B Let's revisit a previous problem and add the force of friction. In the figure, block A has a…

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Q: What is the frequency in Hz of a radar with wavelength 20.1 cm

A: Given  What is the frequency in Hz of a radar with wavelength 20.1 cm?

Q: A particle is moving on xy plane, with x=15sin(2t), and y = 20cos(2t) In what kind of orbit is this…

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Q: Cite two examples in which a force is exerted on an object without doing any work on the object

A: Example 1  A boy whirling a stone tied to a rope in  horizontal circle. In this case force applied…

Q: On a different planet the acceleration of gravity is 16 meters per second what will be an objects…

A: Given  Acceleration due to gravity at an unknown planet (g) = 16 m/s2      vi = 0     ( just after…

Q: A typical photovoltaic cell delivers 4.0 × 10-3 W of electric energy when illuminated with 1.2 ×…

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Q: If the dot product of two vectors is positive, does this imply that the vectors must have positive…

A: Dear student The dot product is defined as : A.B = AB×cos¢ Where, ¢ = Angle between the vectors

Q: A car increases its speed at the average rate of 9 m/s2. How much time (in seconds) does it take to…

A: Given Acceleration of the car is a=9 m/s2 Initial speed of the car is v0=128 m/s Final speed of the…

Q: 15. What is the value of c, when a + b + c = 0? Use à = (2,-3) and b = (4,1). Show your work, and…

A: According to question we need to find value of vector C.

Q: How can i find the current through each resistor for the circuit shown? Please include detailed…

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Q: A particle has a position function of r(t) = a. What is the velocity? b. What is the acceleration?…

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Q: It is believed that there are 2.4 x1012 comets in the Oort Cloud, which has a radois of 72000.0 AU.…

A: Given value--- It is believed that there are 2.4 x1012 comets in the Oort Cloud, which has a radois…

Q: The velocity vector V₁ has a magnitude of 3.0 m/s and is directed along the +x-axis. The velocity…

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Q: Two 1.70-cm-diameter disks spaced 2.00 mm apart form a parallel-plate capacitor. The electric field…

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Q: 3) You are helping a patient to strengthen their hip flexors. Your patient is performing a hip…

A: Given data: The mass of a thing mt=15.6 m The mass of a shank ms=11.2 m The mass of a foot, mf=3.1…

Q: Suppose that we connect a 8.1 light bulb to a 6 V battery. What current flows through the battery?…

A: Given resistance of bulb R= 8.1 ohm Voltage of battery connected V= 6V Using ohms law current I =…

Q: Consider the electric field E(s, t) = Holow 2T Whose current is I = I, Cos(wt) (a) Find the…

A: Given, Es,t=μ∘I∘ω2πsinωtlnasz^