Question 7 Two point charges are shown below. What is the direction of the electric force on qA by qB? up A O to the right O to the left down B Onone of the above

Q: • The fastest 400.0 m time in Olympic history was completed by Wayde van Niekerk (he's from South…

A: van Niekerk completed one 400 m lap in 43.03 seconds.

Q: 3. lment a) 19'F °C 6)- ℃°ト c) 942°R to °C 373K面ド

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Q: Solvè ß

A: Ohm's law states that the current through a conductor between two pointsis directly proprotional to…

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A: This is a case of perfectly inelastic collision and hence total linear momentum will be conserved.…

Q: #7. Four objects are situated along the y axis as follows: a 2.00 kg object is at 3.00 m, a 3.00 kg…

A: Given data: m1 = 2.00 kg at y1 =  3.00 m m2 = 3.00 kg at y2 = 2.5 m m3 = 2.50 kg at y3 = 0 m m4 =…

Q: A 2 meter tall man walks away from a 6 meter high lamp post at a rate of 1 meter/se find how fast…

A: Given  Height of man, H = 2 meter  Height of lamp, h = 6 meter  Rate of , u = 1 meter/sec

Q: An automobile travels on a straight road for 45 km at 36 km/h. It then continues in the same…

A: Given data:  Automobile travels on Straight road First 45 km at 36 km/h Then 45 km at 72 km/h, in…

Q: can you answer question 12?

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Q: 4. The Earth is (approximately) a sphere of radius 6.37 x 106 m. (a) Find the circumference of the…

A: Radius, r = 6.37×106 mCircumference, C = ? Surface area, A = ?

Q: Constants The downward forces represent the weights of machinery on the beam shown in (Figure 1).…

A: m=Mass of beam=220 kgg=Acceleration due to gravity=9.81 m/s2

Q: the answer is A so the solution you have sent is incorrect

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Q: please, I can't encourage chat - gpt answer properly 74. How does altitude affect distance…

A: Step 1: GRAVITY: As we know, different places have different gravity on earth, so that causes a…

Q: A 18 g ball of clay traveling east at 4.0 m/s collides with a 30 g ball of clay traveling north at…

A: Given: Here, the given details are, A 18 g ball of clay traveling east at 4.0 m/s collides with a 30…

Q: Example 3: Mohammad decides to take his friends for a picnic. He will row his boat full of friends…

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Q: Mark with an X the type of waves to which the examples of disturbances that are presented in the…

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Q: • Mr. Muscedere slams on the breaks. The force of friction his brakes applies is 1400 N. If he…

A: We know that work done θ W=Fdcosθ Where F is force applied d is displacement  θ is angle between…

Q: A rock of mass 0.6 kg tied to a string is spinning around in a circle with a radius of 1.1 m, at a…

A: Let us assume the rock is undergoing a circular motion in the vertical plane. The tension in the…

Q: An apple falls from a tree down to the ground. As the apple falls, which of the following would…

A: "Since you have posted multiple questions, we will answer the first one . If you want the any…

Q: What is the opposite of squaring a number? O divide O multiply O fractions square root

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Q: A thin rod has a length of 0.900 m and rotates in a circle on a frictionless tabletop. The axis is…

A: L = 0.9 mI1 = 1.06 * 10-3 kg m2W1 = 0.607 rad/sm = 5 * 10-3 kgNow, since at last the bug will be…

Q: An oil tanker carrying a volume of 980cm3 at the same time having a mass of 125,000g. Find the…

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Q: 4. Two ropes with an angle of 86° between them are on a forces on a vertical plane exerting…

A: 4. The angle between the two ropes is 86°. Hence the angle between one rope and vertical will be…

Q: Lightning and thunder are produced at the same instant during a storm, but each travel at different…

A: Given data: The speed of the ligth is c=3×108 m/s The speed of the sound is v=343 m/s   Part A:…

Q: Point charges QA = -26 nC is located at (0, 0) and qB = 47 nC is located at (1.0 m, 0). What is the…

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Q: Problem 2: & songs A noitatio Princess Peach is competing in a Mario Kart race on Rainbow Road.…

A: Friction force:  The force which acts between two surfaces that are in contact and moving relative…

Q: 2). Although it doesn't, let's pretend that Venus has an atmosphere similar to our own. It has a…

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Q: For the vectors shown below, determine the values of A and the acute angle 02 (in degrees) that…

A: a vector can be written as A̅ = A Cosθ î + A Sinθ ĵ

Q: In the first test the rider accelerates from 48 km/h to 80 km/h, over a distance of 190 m whilst…

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Q: 5. Explain the theory of electron diffraction in solids, and then calculate the De Broglie and Bragg…

A: Louis de Broglie developed the idea that electrons exhibit both particle and wave properties. He…

Q: 2. Find the electric field on the axis of a thin, uniformly charged disk of radius a and total…

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Q: draw the magnetic field lines between these 2 bar magnets S S и C N Z

A: We should keep Four things in our mind before Drawing Magnetic field lines between two bar…

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Q: A 50 kg person is inside an elevator. The elevator is accelerating upward at 1.4 m/s² What is the…

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Q: 12. The magnetic field B at all points within a circular region of radius R is uniform and directed…

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Q: What was the distance van Niekerk traveled?

A: Answers are in next step. Numerucal Values are in boxes.

Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Q: 1. Two point masses, m, = 1 kg and m, = 2 kg, are suspended by a massless rod of total length (= 1…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 5) The energy levels of a quantum mechanical system are given by the equation: En hfo f = 10*Hz n =…

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Q: 12. What is the ratio of the electrostatic force to the gravitational force between two electrons?

A: 12)the charge on an electron (q) = - 1.6×10-19 C mass of electron (m) = 9.11×10-31 kg Let the…

Q: Find the average binding energy per nucleon of Mg. Select one: O 8.26 MeV/nucleon O 8.62 MeV/nucleon…

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Q: 1. A ball is thrown with an initial upward velocity of 5 m/s. What is its velocity after 1.5…

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Q: A physics book has dimensions 23 cm, 17 cm, and 3.0 cm. Find its volume.

A: We need to answer Question J. Length, L=23 cmWidth, W=17 cmBreadth, B=3.0 cm

Q: The figure above shows four very thin parallel planes of charge with equal separation between them.…

A: The charge density on plate 1 is The charge density on plate 2 is The charge density on plate 3 is…

Q: Please help me solve these problems.

A: The velocity of the first ball is

Q: 2 V TV B OV -I V -2 V -3 V

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Q: Can you please answer def as a followup if thats allowed?

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Q: 10. The map of city streets to the right shows blocks that are 40 m wide and 75 m long. A person…

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