If you drop a rock from a three story building, with no air resistance, how many forces are acting on the Earth (as a result of the rock) and in what direction? O 1, up O 2, down O 2, up 1, down

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Q: 3-7 Determine the magnitude and direction angle of force F, so that the particle shown in Fig. P3-7…

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Q: The graph of the position versus time of a certain particle in one- dimensional motion is a…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Q2. A "U" shaped tube (with a constant radius) is filled with water and oil as shown. The water is a…

A: Solution: Given: The experimental arrangement is shown in figure that consist of a U tube in which…

Q: If the block is 1000kg, determine the value of frictional force if P is equal to 3200N.…

A: Given: A block of mass 1000 kg

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Q: A resistor is connected in series with an ammeter and the combination to the terminals of a 4.5-Volt…

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Q: Question: In below Figure, two forces F1, and F2, act on a 5 kg object that is initially at rest. If…

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Q: A particle is at a position vector r = (x, y, z) = (1.0i, 2.0j, 3.0k) m. It is traveling with a…

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Q: Two "Crush Gear" toys in a "battle arena" collide elastically as one approaches the other directly…

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Q: . Two blocks connected by a cord passing over a small, frictionless pulley rest on frictionless…

A: solution :- Given that, the two blocks connected by a cord passing over a small, friction less…

Q: The rate of water flow is 15.6 L/s through a horizontal pipe with a constant diameter of 3.8 cm. A…

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Q: Consider the physical situation shown below. A 55.8-Newton force is applied at a 22-degree angle to…

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Q: Two bodies A and B having same mass is moving with velocities v and 2v respectively. Compare their…

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Q: In below Figure, two forces F1, and F2, act on a 5 kg object that is initially at rest. If the…

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Q: Work-done and power sent by them?

A: Given, Boy take 40 sec to climb up a stairs while,  Boy B take 25 sec for the same job.  Compare…

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Q: 11. A toy race car travels through a loop-the-loop (a circle in a vertical plane) on a track.…

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Q: State Newtons laws of motions and also describe forces, mass and weight/apparent weight

A: There are three Newtons law of motions namely the first law, second law and third law of motion.…

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A: Given that the radius of the first end is r_1= 2.15cm/2 = 1.075cm Speed at the first end v_1 =…

Q: Andy has a bath and uses 1500g of water heated from 10°C to 40°C and with a specific heat capacity…

A: Write the given data. m=1500 g=1.5 kg∆T=40-10=30 °CC=4200 J/kg°C

Q: Nuclear fission can occur in O hadrons. O plutonium. quarks. O deuterium. X

A: In nuclear fission a heavy atom splits in to two or two or more daughter nuclei .  In plutonium…

Q: A 700g ball rotates around a vertical shaft supported by two strings, as shown in the picture below.…

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Q: What happened to current when resistance is increased

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Q: 1. Initial velocity in x-axis is 2. Initial velocity in y-axis is 3. Velocity at the maximum height…

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Q: 3-1 Two flexible cables A and B are used to support a 220lb traffic light as shown in Fig. P3-11.…

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Q: What would be the value of the electrostatic force between an electron and a proton with a distance…

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Q: Find the momentum of a truck having mass 1250 kg moving with a velocity 20 m/s

A: Given data ,     Mass  =  m    Velocity  =  v        Required ,           Momentum

Q: Its takes 45 sec for a girl A to climb up a stairs while boy B takes 35 sec for the same job.…

A: in  this question  we discuss  about work done and power.

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Q: 1. A particle's position on the x-axis is given by x=8-6t+t² with x in meters and t is seconds. a.…

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Q: 1. The distance between two telephone poles is 50.0 m. When a 1.00-kg bird lands on the telephone…

A: Given: Distance between telephone poles  = 50 m            mass of the bird  (M) = 1 Kg…

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Q: Astronomical Datat Mass (kg) 1.99 × 1030 7.35 × 1022 3.30 × 1023 4.87 X 1024 5.97 X 1024 6.42 × 1023…

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Q: What would be the value of the electrostatic force between an electron and a proton with a distance…

A: Given Charge of electron, q1 = -1.6×10-19 C  Charge of proton , q2 = +1.6×10-19 C  Distance between…

Q: You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force…

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Q: x = xo + vot+at², v = vo + āt, v² = v² + 2ax, t = -b± √b²-4ac 2a Problem 1: A ball is thrown…

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Q: 1.A 35-kg child is sitting along the rim of a merry-goround that is rotating at 0.35 revolutions per…

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Q: 26 64 ers: 1905 B 216 kg -406.9 N N N

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Q: A small block is released on the top of a wedge that is placed on a horizontal floor as shown in the…

A: in this question  we use free body diagram  to solve question.

Q: A proton and an electron are held 15 cm apart. What is the magnitude and direction of the electric…

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Q: A model of a helicopter rotor has four blades, each 4.00 m in length from the central shaft to the…

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Q: Two current carrying conductors lying parallel to each other are found to exert force on each other.…

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Q: In the Figure shown below, what is the net electric potential at the origin due to the circular arc…

A: Solution: Given: k = Coulomb's constant = 8.99 x 109 N.m2/C2  O = origin of the coordinate system Q1…

Q: A 1390 kg car moving at 6.00 m/s is initially traveling north along the positive direction of a y…

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Q: ee point charges q₁ = +2.7µC, q2 = -3.4µC and q3= -1.6µC initially are infinitely far apart. They…

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Q: Using the parallel axis theorem, what is the moment of inertia of the rod of mass m about the axis…

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Q: A 1000 lb anchor hangs below a 5000 lb mini research submarine exploring lake Erie. The weight…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!