Suppose we live in a universe in which the electron and positron have charges opposite to ours, i.e. the electron is positively charged and the proton is negatively charged. Nothing else is different. Would life be different?

Q: Q14) An object is determined to have a negative charge of 48 nC. The object has an excess of…

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Q: During a steady right turn, a person exerts the forces shown on the steering wheel. Note that each…

A: Given,

Q: Q11) A boy of mass 40 Kg skies down a 20 m high bill if the friction force is not negligible and the…

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Q: 3. A 40.0 keV photon is incident on a thin tungsten plate. (a) List all the effects that can happen.…

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Q: The initial infinite line of charge is now moved so that it is parallel to the y-axis at x =…

A: Explanation given below

Q: In an infinite parallel plate capacitor, the L is 1.0 m. There is a charged ball (m= 0.004kg) (q=…

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Q: neter stick balances horizontally on a knife-edge at the 50.0 mark. Wi two 5.05 g coins stacked over…

A: Given Mass of the coin is m=5.05 g Consider m is the mass of the stick. Visualize the Problem:…

Q: An apple grows on a tree located on a 42° hill with respect to the horizontal. The apple falls,…

A: Here ,

Q: Let the x-, y-, and z-axes be identified as axes 1, 2, and 3, respectively. Find the angle between A…

A: CONCEPT:

Q: Chemistry To what pressure must a piece of equipment be evacuated in that there only 10^8 kPa at 17…

A: Step 1:using this law and coverting the pressure unit to the required standard and mainting the laws…

Q: 49. (II) Two crates, of mass 65 kg and 125 kg, are in contact and at rest on a horizontal surface…

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Q: A rolling ball moves from x = 4.2 cm at t = 3.1 s to x = -3.9 cm at t = 6.5 s.  Please compute its…

A: Given data:  Initial position (x1) = 4.2 cm at t1 = 3.1 s Final position (x2) = -3.9 cm at t2 = 6.5…

Q: QI) A 8 kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s². The…

A: The mass of the object in the elevator, m=8 kg The downward acceleration, a=-1.0 m/s2 The…

Q: Mars has a small moon, Phobos, that orbits with a period of 7 h 39 min. The radius of Phobos' orbit…

A: Given:Orbit period of Phobos  7 h 39min.Radius of phobos is 9.4×106 mUsing the formula :T=2πr3GM…

Q: (II) A small box is held in place against a rough vertical wall by someone pushing on it with a…

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Q: What is the orbital period of asteroid X as calculated from Kepler’s law?

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Q: A plastic disc is flicked up a sloping board. It has an initial speed of 1.6 ms-1, but gradually…

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

Q: A projectile is launched from point A with the initial conditions shown in the figure. Determine the…

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Q: (a) What would the blue ball's acceleration have to be for the blue ball to win the race by a…

A: Obtained data values from graph are as follows:-  Initial velocity of red ball = 5m/s.  Acceleration…

Q: Problem 2. In the three-force system below calculate the magnitude and location of the resultant…

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Q: A marksman fires a practice round from A toward a target B. If the target diameter is 180 mm and the…

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Q: NT2B-CCT7: COMBINING TWO VECTORS-RESULTANT Two vectors each have a magnitude 6 units, and each makes…

A: The resultant of the two vectors would be 12 sinα .

Q: Three point charges are arranged in a horizontal line as shown below. Find the electric forces (in…

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Q: Determine the torque applied to the shaft of a car that transmits 450 hp and rotates at a rate of…

A: Given that, Power is P=450hp=335565W And the speed is s=3000rpm So the angular velocity will be…

Q: I got the wrong answer, can you help me with this problem

A: C) As the enclosed charge within the conductor is zero, the strength of the electric field will be…

Q: After flying for 20 min in a wind blowing 39 km/h at an angle of 22° south of east, an airplane…

A: GivenTime taken, t=20 min=2060hr=13hrSpeed of wind with respect to ground, Vwg=39 km/hAngle, θ=22°…

Q: A square coil and a rectangular coil are each made from the same length of wire. Each contains a…

A: Given that:- Current in each loop(rectangular and square) is same.

Q: What is the Sun's energy output (luminosity)? Group of answer choices About 4 x 1026 Watts About a…

A: We know that, Sun has radius of 695 x 106 m giving a surface area of 6.09 x 1018 m2 .

Q: A hollow metal sphere has 6 cm and 9 cm inner and outer radii, respectively, with a point charge at…

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Q: On earth, two parts of a space probe weigh 10600 N and 3780 N. These parts are separated by a…

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Q: 7. A car is moving at 30.0 km/h when it accelerates at 2.0 m/s for 3.6 s. What is the car's final…

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Q: Current Attempt in Progress A hot-air balloon is rising upward with a constant speed of 2.41 m/s.…

A: Given: The velocity of the balloon is 2.41 m/s vertically upward. The height of the balloon from the…

Q: Describe the procedure on determining the density of a cylindrical copper tube.

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Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

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Q: A rectangular plate 1.25 mx 2.4 m is immersed in a liquid of relative density 0.85 with its 1.25 m…

A: Given : Relative density = 0.85 Dimensions of rectangular plate is 1.25 m × 2.4 m Angle = 60°

Q: At what height above the earth is the free-fall acceleration 10% of its value at the surface?

A: Given:At a height above earth the free fall acceleration is 10% of value at the surface.Acceleration…

Q: Q7) The coefficient of kinetic friction between the ground and a sled is 0.25. If the sled's mass is…

A: Given data: Initial speed of the object, u=6 m/s Distance travelled by the object, S=9 m The object…

Q: What is 9.6 miles per hour to feet per second?

A: The speed is given as 9.6 miles per hour.

Q: On earth, two parts of a space probe weigh 10600 N and 3780 N. These parts are separated by a…

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Q: An accelerating sprinter A sprinter measures that she can burst out of the blocks to essentially her…

A: Given , Sprinter's initial speesd(u) = 0m/s  Sprinter's top speed / final speed (v) = 8.5 m/s…

Q: Calculate the force reading n₂ on the scale when the elevator cruises down at a steady speed. n₂ =…

A: When elevator is going down with steady speed there is no ficticious force on the person and the…

Q: Ima Rushin can travel from Milwaukee Avenue to the school entrance gate at a constant speed of 22.5…

A: Given:-  The constant speed of the Ima Rushin is u = 22.5 m/s. when the lights are green and there…

Q: A ball thrown vertically upward has an upward velocity of 5.66 m/s at a point 11.3 m above where it…

A: Given Velocity at a height 11.3 m = v = 5.66 m/s Motion is motion under gravity in upward direction.…

Q: A circular platform of radius 4 m is rotated at 8 rpm. Find the normal acceleration.

A: Write the expression for the normal acceleration. Here, r is the radius and ω is the angular speed.

Q: A coil having inductance of 0.197 henry and negligible resistance takes 4.0 amp from 480-V 100-Hz…

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Q: If all the energy from a 107 W light bulb is emitted at 666.0 nm, what is the energy of each photon…

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Q: 93= In the diagram shown, q₁ = -18 μC, 92= 22μL and 19 MC. Find the electric field at the bottom…

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Q: To throw a baseball, the pitcher winds up, starting the ball from rest. They then accelerate the…

A: Given data:  Initial velocity (u) = 0 m/s Displacement (d) = 3.4 m Final velocity (v) = 46 m/s…

Q: A line of charge with a non-uniform charge density λ=ay, where a=−34 nC/m2 lies along the y axis…

A: Given data: The height h=0.5 m. The charge density λ=ay The acceleration, a=-34 nC/m2=-34×10-9 C/m2…

Q: Please answer in

A: Given  Mass of rocket is m=3.26×10^5 kg Force acting on the rocket is F=9.81×10^6 N at angle 55^o…