1. What property of charges shown in Van de Graaff generator?

Q: 1. Two point charges q, = +26µC and q2 = -17.5µC are 64 cm apart. a. What is the potential energy of…

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Q: 2. The drawing below shows three principle rays coming from the top of an object. One ray is…

A: Given data- An object placed at a distance d0 from converging lens.

Q: object is 23 cm from a converging lens. A diverging lens with a focal length of −15 cm is 31 cm…

A: Given Object distance for convex lens= -23 cm Focal length of concave lens f2 = -15 cm

Q: A toy is dropped from the top of a tower that is "h" meters high. It falls and its speed just as it…

A: Given data :- initial velocity u = 0 final velocity v = 6.5 m/s height = h

Q: Car A has a mass of 1000 kg and a speed of 60 km/hr and car B has a mass of 2000 kg and a speed of…

A: We know kinetic energy KE=0.5mv2 where m is mass v is speed

Q: A transverse wave on a string is described by y(x, t) = (0.480 mm) sin {(2.747 rad/m)[x − (68.1…

A: A transverse wave on a string is described by y(x, t) = (0.480 mm) sin {(2.747 rad/m)[x − (68.1…

Q: How much power is required to raise a 30-kg crate a vertical distance of 6m in a time of 4 seconds?…

A: The potential energy of a body is given by PE = mgh, where m = the mass of the body g = acceleration…

Q: A 20.0 Ω resistor, R1, with a maximum power rating of 5.0 W is to be connected in series to another…

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Q: The centripetal force on a car rounding a curve on a level road is provided by Select one: a. The…

A: The centripetal force on a car rounding a curve on a level road is provided by

Q: Using Figure, Find (a) tne total distance.(b) the speed of point A and (c)the acceleration of point…

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Q: An electron behaves like a magnet. What about the proton and neutron?

A: Answer:-  We know that  According to quantum theory  An electron behaves like a magnet. Because…

Q: A steel pipe has a length of 46 m at a temperature of 15°C. An adjacent Aluminum pipe at the same…

A: Length of steel pipe: Ls=46 mLength of aluminum pipe=Laat T1=15°C, La-Ls= 4.25 mm=4.25×10-3 mWe need…

Q: 3. A metallic wire is stretched from original length of 3 m to 6 m. If the original cross-sectional…

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Q: 19) Torque: A man in a gym is holding an 8.0-kg weight at arm's length, a distance of 0.55 m from…

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Q: a given fluid, positive ions, each with three excess protons, move towards right at a steady rate of…

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Q: 5.8 kg body is at rest on a frictionless horizontal air track when a constant horizontal force F…

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Q: Based on the given value of the initial speed (v =3.22 m/s), what is the range of the projectile…

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Q: Two concentric rings, of radii R and 2R, lie on the y-z plane and at the origin as shown in the…

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Q: 50sine 50cose 50 N A block of mass 5 kg starts to slide down a frictionless plane having an…

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Q: Please show complete solution with formulas used. If you notice that the distance between two…

A: Any wave consists of a crest and a trough. A crest corresponds to a point of highest amplitude while…

Q: A block weighs 15 N and is suspended from a spring that is attached to the ceiling. The spring…

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Q: The two systems shown start from rest On the left, two 40-lb weights are connected by an…

A: The acceleration due to a force is given by a = Fm, where F = the force acting m = the mass of the…

Q: Consider the following data for the table below: Experimental acceleration = 2.849 m/s? Theoretical…

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Q: Car D is constantly 3.5 feet from the center of the race track and travels at a constant speed. The…

A: Since you have asked multipart question, I am answering first 3 subparts. If you need answer of the…

Q: A car initially at a parking lot accelerates at 0.3 meters per second squared continuously, then…

A: we have car is starting from rest, hence initial velocity of car u = 0 m/s acceleration a=0.30 m/s2.…

Q: Fyall A steel cable supports a 70kg mass and is then run a quarter of the way around a steel…

A: We have an object of mass m=70 kg which is hanging by a thread over a cylinder having a coefficient…

Q: Why is the sky blue during fair day and why is it red during sunset?

A: This things happen due to the phenomenon scattering of light.

Q: In February 1955, a paratrooper fell 370 m from an airplane without being able to open his chute but…

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Q: When the structure shown below is supported at point P, it is in equilibrium. Find the magnitude of…

A: a) For rotational equilibrium about the pivot point p ccw moment = cw moment (6900*2.0) =…

Q: Give 5 scientists and their contributions to the development/advancement of the field of electricity…

A: (1) Andre-Marie Ampere : Andre-Marie Ampere was the first scientist to attempt to conceptually…

Q: 7. An object that is 3.4 mm tall is placed 25 cm from the vertex (tip) of a convex spherical mirror.…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: Knowing that wheel A rotates with a constant angular velocity and that no slipping occurs between…

A: Angular velocity concept is applied here

Q: Given:  Vi=15m/s Angle= 30 degrees Range= 9.94m Height= 2.87m Vix= 12.99m/s Viy= 7.5 m/s…

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Q: (1a). Black body has emissivity value of 1, but in reality, the emissivity of real objects is less…

A: A black body is an ideal body that absorbs or emits all of the radiation(of all wavelengths) plus it…

Q: A 2.10kg pole is attached to a wall with a hinge as shown. A 5.80kg sign is suspended at the other…

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Q: what is incident ray

A: Solution: Given: What is incident ray? We will provide the correct answer to this question.

Q: A soccer player kicks a ball with an initial velocity of 10 meters per second at an angle of 30…

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Q: Suppose the interference pattern shown in the figure is produced by monochromatic light passing…

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Q: 1.) A car that weighs 4000 Ibs. (1814 kg), crashes into a wall. What is the impulsive force (F) if…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: A 3 kg ball traveling to the left at a velocity of 2.3 m/s collides with another 0.5 kg ball…

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Q: The Mariana Trench is the deepest oceanic trench on Earth. Mt. Everest would comfortably fit in its…

A: Given data  Atmospheric pressure = 1 atm  Density of sea = 1,020 kg/m 3  Maximum depth = 36,037 ft =…

Q: A car initially at a parking lot accelerates at 0.3 meters per second squared continuously, then…

A: Initial velocity (u) = 0 msacceleration (a) = 0.3 ms2t = 2 minutes = 120 seconds

Q: blue ball of mass 0.35 kg traveling at 2.60 m/s to the left collides with a red ball of mass 0.35 kg…

A: GivenMass of blue ball, m1=0.35 kgInitial velocity of blue ball, u1=2.6 m/sMass of red ball, m2=0.35…

Q: A spring-mass system has a natural frequency of 10 Hz. When the spring constant is reduced by 800…

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Q: how do terminal voltage, emf, current leaving battery and internal resistance compare for series vs…

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Q: ) Can you get light to go directly through the triangular end of the prism, i.e. without any change…

A: We have to see Can we get light to go directly through the triangular end of the prism, i.e. without…

Q: Define the following: a. refractive index b. critical angle c. total internal reflection 2

A: a. Refractive index -  The refractive index is dimensionless. It is a number that indicates the…

Q: - 44. What is the resistance of an aluminum wire of length 10 m and cross-sectional area of 0.002 m²…

A: length = l = 10 m area = A = 0.002 m2 resistivity = 2.65X10-8X 100.002= 2.65 x 10-8 ohm-m

Q: At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship…

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Q: What is the main advantage of the heading indicator over the compass? What is the difference…

A: Here we will discussed about heading indicater and compass