What is the speed of falling ball t=7.0 s

Q: The diagram shows two charges situated in a plane. The following questions relate to the diagram.…

A: Charges q1 and q2  Distance , d1 and d2 = 12 cm and 9 cm respectively Let the distance of P from the…

Q: A toy rocket is launched vertically from ground level (y = 0 m), at time t = 0.0 s. The rocket…

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Q: A man pulling an empty wagon causes it to accelerate at 1.4 m/s². ▼ Part A What will the…

A: Initial acceleration

Q: Consider a mass spectrometer used to separate the two isotopes of uranium, 238 U³+ (3.952 x 10-25…

A: See below

Q: The time constant of an RL circuit is 47 μs. If L = 4.7 mH, calculate R.

A: Time constant = 47us. Inductance = 4.7x10(-3) H

Q: A 148-Newton horizontal force is exerted upon a 3-kg box to move it across a level surface at a…

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Q: (a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a…

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Q: Sphere A of mass 0.50 kg hangs from a thread as seen in the diagram below. Sphere A has a charge of…

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Q: Say we have à = 21+ 3) and à - B = 0. a) If B=51+ B). What is the value of By? b) If |B| = 1. How…

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Q: Find B at a distance R from a long straight wire Y R dB ds = dx î 0 →dxk I X

A: Page 1

Q: Which one of the following traits or behaviors is an indicator that light is a wave? O Light…

A: Light has dual characteristics of both waves and particles. Quantum theory of light explains the…

Q: For the same isothermal reversible expansion of two moles of an ideal gas in which its volume…

A: For isothermal process ΔU = 0   From the first law of thermodynamics,   ΔU = q + w   So, q + w = 0…

Q: A net force of magnitude F=10 N acts on an object having a mass m-5 kg. The magnitude of the…

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Q: For which cases is the acceleration the same for the motion described in both columns? Case Column…

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Q: 10° 200 Problem 1. A block having a mass of 2000 kg moves along a smooth inclined plane with a speed…

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Q: A car is travelling at 27 m/s, and slowing down at a rate of 3 m/s^2. After 3 seconds, how fast is…

A: Initial velocity, u = 27 m/s Deceleration, a = -3 m/s² Time, t = 3 s

Q: 20. The 57.2cm diameter disk rotates counterclockwise on an axle through its center. F1=42.6N,…

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Q: A tennis ball is hit with a racket at an angle of 40 degrees with respect to the horizontal. The…

A: Launching angle is θ=40° with respect to the horizontal. Initial velocity of ball is u=20 m/s…

Q: tennis ball is struck at the base line of the court, 11.8 m from the net. The ball is given an…

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Q: Can a car traveling west simultaneously have an acceleration pointing east? If not, explain clearly…

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Q: End of ramp A 79.2kg skier is launched with a speed of 27.5 m/s from a ramp that is inclined at 36…

A: initial  speed = V0 = 27.5 m/s angle = 36 degrees

Q: 1. A walrus transfers energy by conduction through its blubber at the rate of 165 W when immersed in…

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Q: A 74.8-kg boy is surfing and catches a wave which gives him an initial speed of 1.60 m/s. He then…

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Q: 40. UV light is invisible to the human eye, unless we use special sensors. Given the range of…

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Q: An object of mass 0.93 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A: Mass (m) = 0.93 kg Initial velocity (u) = 0 m/s Time interval (Δt) = 2.9 ms = 2.9×10-3 s Final…

Q: Two neutral, parallel wires are carrying current in the same direction. Are they attracted or…

A: Two neutral, parallel wires are carrying current in the same direction. Are they attracted or…

Q: A particle moving along the x-axis has its position described by the function x = (3t³ + 2t + 1) m,…

A: A particle's position is given as a function of time x=3t3+2t+1 m; Here time t is in seconds. Find:…

Q: 1. (a) How much heat transfer is necessary to raise the temperature of a 0.26 -kg piece of ice from…

A: Mass of ice (m) = 0.26 kg Initial temeprature = - 20oC Final temperature = 130oC

Q: 2. The old-style compact disc (CD) players used laser light shined upward to the bottom of the CD,…

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Q: Consider a mass spectrometer used to separate the two isotopes of uranium, 238U³+ (3.952 x 10-²5 kg)…

A: Mass of first isotope (m1) = 3.952×10-25 kg Mass of second isotope (m2) = 3.903×10-25 kg Magnetic…

Q: A 882 N sign is hung symmetrically by 3 cables that each make an angle of 69° to the horizontal. How…

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Q: Two horizontal plates of opposite charge form a constant electric field = 1000 N/C directed…

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Q: A soccer ball is placed at the edge of a 10 m tall cliff. At t=0s, George kicks the ball…

A: The ball is placed on the edge of a cliff, which has a height of 10 m At t=0 s, the ball is kicked…

Q: what is the name of the process when water waves going from a deep water into a shallow water

A: It is given that water waves going from a deep water into a shallow water .

Q: e 1 Hands On Activities Packet 2 Student Add Name Here Eain the component by measuring the angle…

A: You can also obtain the component by measuring the angle from the +x axis with counterclockwise…

Q: how far from the lens the object is and b) the focal length of the lens. Should a diverging or…

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Q: A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For…

A: Average velocity is given by, vavg=Total displacementTotal time. Displacement is given by the area…

Q: The coefficient of friction between the wheels of Yamaha motorcycle and the dry pavement is 0.79. An…

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Q: Find the energy stored in the solid flywheel of mass 6.5x10 kg and radius 2.4 m when it's rotating…

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Q: A spaceship travels from Mercury to Mars at a speed of 0.81c relative to the Earth. Assume Earth,…

A: Speed of spaceship (v) = 0.81 c where "c" is the speed of light Time measured by the observer on…

Q: Bill and Amy want to ride their bikes from their neighborhood to school which is 21.3 kilometers…

A: Given data: -  The distance of the school from the neighborhood is d = 21.3km. The time is taken by…

Q: During an ice show a 60.0 kg skater leaps into the air and is caught by an initially stationary 90.0…

A: The mass of the moving skater is 60 kg. The mass of the initially stationary skater is 90 kg. The…

Q: Please answer the below question: Thanks. A raw egg with a mass of .07 kg is dropped without a…

A: The egg, without protection is dropped from a height of 1 m, 6 m and 13 m. Since there is no…

Q: Which one of the following regions of the electromagnetic spectrum is NOT capable of causing damage…

A: Infrared waves, specifically option (b), are the region of the electromagnetic spectrum that is…

Q: worker is pushing a heavy box along a surface. The box has 839 J of kinetic energy and a constant…

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Q: A 834-g ball is thrown at a speed of 38.4 m/s from the top of a 45.9-m high cliff. Determine the…

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Q: A 2.1 kg mass at rest on a perfectly smooth (frictionless) table is attached to a fixed wall by a…

A: Given Mass m = 2.1 kg Horizontal force F = 1792 N Compression ∆x = 12.3 cm = 0.123 m

Q: A spaceship travels from Mercury to Mars at a speed of 0.81c relative to the Earth. Assume Earth,…

A: Speed of spaceship (v) = 0.81 c where "c" is the speed of light Time measured by the observer on…

Q: One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which…

A: Given:-  The radius of the circular lake is R = 1.05 km  They start at the west side of the lake and…

Q: Consider a cannonball shot from a height h above ground, with velocity v making an angle a € (0,…

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –