If a 2.0 kg weight falls 4.0 meters vertically downward from rest, how fast will it be going just before it hits the ground? Take g to be equal to 10 m/s^2 and ignore air resistance.

Q: The drawings show three charges that have the same magnitude but may have different signs. In all…

A: |q| = 8.6 μC value of d = 3.8 mm

Q: Question 5 Specific Heat of Solid Substances Substance Aluminum Iron Copper Tin Given the specific…

A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…

Q: onsider the circuit shown in the figure below. (Assume R₁ = 10.5 2 and R₂ = 3.50 2.) b 25.0 V + R₁…

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Q: Approximately how many times louder is a 140-dB sound than a 90-dB sound? The answer 100,00 is…

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Q: Two objects float in space, with negligible effects from other astronomical bodies. The first object…

A: Given data:  Two objects float in space m1 = 4.2×1016 kg m2 = 1.3×1015 kg Distance (r) = 6.2×108 m…

Q: A car starts from a, 15 m at f-0s and moves with the velocity graph shown in figure below. (Egure 1)…

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Q: A battery of C V is connected across capacitors of capacitances C1 = C6 = 11 μF, C3 = C4 =C5 = 62…

A: Given value--- C1 = C6 = 11 μF, C3 = C4 =C5 = 62 μF, C2 = 62/2 μF. We have to find--- equivalent…

Q: I keep using the same formula and come up with 3.2 seconds. .64m/s x 5seconds?

A: Provided data: Here, u is the initial velocity, a is the acceleration, and t is the time.

Q: 3) A hot air balloon with a basket descends with a constant downward velocity of VB = 20m/s. A stone…

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Q: A 1.0 kg block is connected to a horizontal spring as shown with spring constant 200 N/m. You pull…

A: mass of block (m) = 1 kg spring constant (k) = 200 Nmdisplacement from equilibrium position (d) = 20…

Q: 153 kilojoules [kJ] of energy are expended lifting a pile of bricks 50 feet [ft] into the air.…

A: energy (E) = 153 kJ height (h) = 50 ft

Q: 5) A hockey puck is gliding at constant velocity across a frictionless ice rink. Sketch Force…

A: Solution:-

Q: Three charged particles are placed at corners force on -2 μC charge. West North South 8 με 34.4 x…

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Q: A 1320 kg car skids to a halt on a wet road where μkinetic = 0.32. How fast (in m/s) was the car…

A: Solution: Given: A car is braked to stop it. You are required to find the initial speed of car. m =…

Q: Find the displacement of the object over the entire 40s time interval.

A: Given table: Time (second) Velocity (m/s) Acceleration (m/s2) 0 0 0 5 10 2 10 10 0 15 10…

Q: A charge of q₁=-4q is placed at the origin, and a charge of q2=-9q is placed at x=2.00 m. Locate the…

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Q: 5. The positions of two particles are given below (using the standard conventions for unit vector…

A: Given  The positions of two particles are given below (using the standard conventions for unit…

Q: Sarah is running at a rate of 3.5 meters per second and accelerates at a constant rate. She weighs…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by…

A: Given data:  A air filled capacitor of two parallel plates Area (A) = 7.60 cm2 Distance (d) = 1.50…

Q: A 50-ton train engine is traveling around the curved track with a velocity and acceleration as…

A: Given that:- Mass of train=m=50 ton

Q: A point charge q1 =41.8µC is 84cm from 92 -83.2μC, and no other charges are present. q2 experiences…

A: Given data:  Two point charges q1 = 41.8 μC q2 = 83.2 μC Distance (r) = 84 cm Required: The…

Q: A bicycle has wheels with radius of r=0.25m, and the bicycle is traveling at a constant speed of…

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Q: An inflatable life raft is released from an airplane at 300 m altitude, in level flight with an air…

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Q: Car throwing stones. Chipsealing is a common and relatively inexpensive way to pave a road. A layer…

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Q: In a certain material whose atoms are in a cubic array, the interatomic distance is 1.7x 10-10 m and…

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Q: the position of a student who is traveling in one dimension is depicted in the graph shown below.…

A: Given data: The position at t=0 is x=1 m. The position between t=2 to t=4  is x'=2 m. The position…

Q: the voltage across a 3.71uf capacitor in a tv circuit is 4.54 mV. Find the voltage after 0.563ms if…

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Q: A 7.73 nC charge is located 1.68 m from a 3.94 nC point charge. (a) Find the magnitude of the…

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Q: How does air resistance affect the trajectory of the projectile if in the first part, you launch the…

A: When air resistance acts on projectile then its vertical and horizontal both velocity will decrease…

Q: Given the following data, calculate the densities of a lithium-7 nucleus and a lithium-7 atom.…

A: The density of an object is given by the equation ρ=mVm is the massV is the volume A lithium nucleus…

Q: A river flows due south with a speed of 2.30 m/s. A man steers. a motorboat across the river; his…

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Q: 6- Draw FBD for both masses, only flat surface is smooth (mass 2 is sliding down). m1 0 mo

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

Q: If you touch 62 nC and -11 nC charges, what will be the net charge after touching them together

A: Electric charge also called electrified is the property of matter which causes an electric force in…

Q: A railroad train is traveling at 30.0 m/s in still air. The frequency of the note emitted by the…

A: speed of railroad train (v) = 30 msfrequency of note emitted by the train (F) = 265 Hz The speed of…

Q: Q3) Water is placed in a piston-cylinder device at 50°C, 0.3 MPa. Weights are placed on the piston…

A: Given Data: The Initial temperature of the water T1=50°C The Final temperature of the water T2=130°C…

Q: The rms current through a 10 kΩ resistor is 5 mA. What is the rms voltage drop across the resistor?

A: The voltage across any resistor is given by Ohm's law as V=IRR is the resistance valueI is the…

Q: A crate with a mass of 46.0 kg is pushed with a horizontal force of 150 N. The crate moves at a…

A: mass of crate (m) = 46 kg horizontal force (F) = 150 N distance moved = 5.50 m speed = constant

Q: Derive linear density expressions for BCC [110] direction and planar density expressions for FCC…

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Q: Ⓡ (a) Determine the work done by the applied force. 37 X Your response is within 10% of the correct…

A: Given value--- m = 2.5 kg. d = 2.5 m. F = 15 N. angle = 25 degree. We have to find--- part a and…

Q: 1. A particle moves in the x- y plane with a time-dependent position vector given by: r(t) = (At)ê +…

A: Given, r→t=Atx^+Bt-Ct2y^ A=8  m/sB=20 m/sC=5 m/s2

Q: The uniform beam has a mass of 52 kg per meter of length. Determine the reactions at the supports.…

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Q: A rock is suspended by a light string. When the rock is in air, the tension in the string is 45.0 N…

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Q: A pair of vertical charged conducting plates produces a uniform field of 1 ki, directed to the…

A: Given value--- magnitude of electric field = 1 kN/C . initial velocity = 4 Mm/s. separation between…

Q: Knight P6.24 A stubborn, 120 kg mule sits down and refuses to move. To drag the mule to the barn,…

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Q: A hiker walks along the city streets 13 km north, then 10 km east. What is the direction of the…

A: Given data: Distance travelled towards north=13 km Distance travelled towards east =10 km

Q: Three point charges lie along a straight line as shown in the figure below, where q₁ = 6.24 μC, 92=…

A: Given value--- q1 = 6.24 micro C. q2 = 1.36 micro C . q3 = - 2.2 micro C . d1 = 3 cm. d2 = 2 cm.…

Q: 1.50 × 10³-kg car starts from rest and accelerates uniformly to 16.9 m/s in 11.9 s. Assume that air…

A: Given Mass of car = m = 1.50 × 103 kg IInitial velocity = u = 0 Final velocity = v = 16.9 m/s Time…

Q: 4 2 A E 0 A -2 D x (m) Find the work done by the force as the particle moves across the following…

A: given -      force vs position graph

Q: n the figure, a copper bar is welded end to end with a brass bar. The cross-section area of oth bars…

A: Given For copper rod Length of copper rod = 10.0 cm Higher temperature = 100°C Lower temperature = T…

Q: The gun is now angled at 30 degrees. The new launch height is 1.32 m. Using the velocity 2.947 m/s,…

A: Given data:  Launch velocity (v0) = 2.947 m/s Angle (θ) = 30°, with the horizontal Required: The…

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”