A baseball is dropped from the top of a 66 m tall building. Ignoring air resistance, how fast will it hit the ground?

Q: A light rod of length = 1.00 m rotates about an axis perpendicular to its length and passing through…

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Q: Calculate the rotational inertia of a meter stick, with mass 0.531 kg, about an axis perpendicular…

A: The rotational inertia of a thin rod rotating about an axis perpendicular to the rod and passing…

Q: A mirror produces an image that is located 32.0 cm behind the mirror, when the object is located…

A: Given, The object's distance from the mirror, u=-8.6 cm The image distance from the mirror, v=+32.0…

Q: A particle of mass 7.7 x 10-8 kg and charge +10 µC is traveling due east. It enters perpendicularly…

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Q: 6) Why won't the + charges move from the wall to the balloon? How come in the sweater the+ and…

A: 1. The + charges won't move from of the  the wall to the balloon. Electrons are capable of moving…

Q: Two trucks travel at the same speed. They are far apart on adjacent lanes and approach each other…

A: The speed of sound in air, v=342 m/s The frequency of the sound heard by the observer, f0=1.06 fs…

Q: Problem 8: In the arrangement shown in the figure, the resistor is 5.0 and a 4.0 T magnetic field is…

A: Since the bar is moving at a constant speed, the net force acting on it must be zero. Therefore, the…

Q: potential energy and total energy of the object at the time t2 if only conservative forces act on…

A: Kinetic energy of an object at time t1 is K1=31 J Potential energy at time t1 is U1=12 J Kinetic…

Q: Apply the Biot-Savart Law to Calculate the Magnetic Field of the Composite Objects. Pa

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Q: 1.Calculate its translational speed when it reaches the bottom. 2.Calculate its rotational speed…

A: Radius of sphere = r0=24cmmass of sphere ,m = 1.2kgangle =340length of inclined plane=12m

Q: Consider the spectral line of shortest wavelength corresponding to a transition shown in the figure.…

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Q: (a)Use voltage division to determine the voltage vo across the 400resistor. (b)Use ve from part (a)…

A: 1) Voltage across circuit is: V= 60 V 2) Resistors 50 Ohm & 10 Ohm is in series connection. 3)…

Q: Determine the magnitude and direction of the force on an electron traveling 7.75 × 105 m/s…

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Q: A 30.0-cm-long solenoid 1.25 cm in diameter is to produce a field of 4.65 mT at its center. How much…

A: Given data: The length of the wire: L=30.0 cm=0.30 m Diameter of the solenoid: d=1.25 cm=0.0125 m…

Q: Visible light travels through air and is incident on an acrylic block making an angle of 45° with…

A: From Snell's law of refraction, we know that when a light ray travels from a medium of refractive…

Q: Using the equations attached solve the following: 1.What is the average angular velocity between t…

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Q: Consider a see-saw of total length 5.40m balanced at its center of mass, with a child of mass…

A: Draw the free-body diagram of the system.

Q: A computer-controlled ball launcher on a ledge at height h = 6 m above level ground ejects a ball at…

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Q: 1.70 mm cylindrical rod of diameter 0.550 cm is connected to a power supply that maintains a…

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Q: 13. A boy walks 155 m at a speed of 3.5 m/s and then runs for 100 m at 8.2 m/s along a straight…

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Q: Two blocks are released from the positions shown in the diagram. Block 1 has a mass of 3.69 kg and…

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Q: 15. A Porsche travelling at a constant velocity of 32 m/s passes a Mini parked on the side of the…

A: Given:Velocity of car P: vP=32 m/sDistance between car M and car P when car M starts: di,PM=50…

Q: What is the equivalent resistance for the resistors in the figure? figure attached Options: 6.67…

A: If the resistors are connected in the series then equivalent resistance is: Rs = R1 +R2+R3+.....+Rn…

Q: A ray of light is incident on an air/water interface. The ray makes an angle of theta= 33 degrees…

A: Given data:  Angle of incidence (θ1) = 33° Index of refraction of air (n1) = 1 Index of refraction…

Q: A 7890 kg space probe, moving nose-first toward Jupiter at 70.7 m/s relative to the Sun, fires its…

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Q: A cargo container, used as a trailer for a semi-truck, has a height of 2.14 m. The truck is being…

A: Height of truck, h = 2.14 m Velocity of truck, v = 28.6 m/s (East) Emf, V = 0.895 V (Positive side…

Q: A rectangular plate is rotating with a constant angular speed about an axis that passes…

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Q: Visible red light (λ = 600.0 nm) is directed toward a diffraction grating whose slit widths are…

A: Wavelength, λ = 600 nm = 600×10-9 m Widht, d = 5×10-5 m Angle, θ = ?

Q: The crane rotates about the z axis with a rate of w₁ = 4 rad/s, which is increasing at 3 rad/s².…

A: Given:rotation about O and z−axis, angular velocity, ω1 = 4 rad/sangular acceleration, ω˙1 = α1 = 3…

Q: An electric field is applied that causes the net force on the negative particle to be zero at point…

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Q: Elena dimabato of Anolia, the princess who always cried, has an ugly block with a mass M = 8 kg that…

A: Mass of box =8kg Intial speed of box =4m/s Coficient of friction =0.312 Tension in string =8N

Q: You are approaching a stationary sound of 1000 Hz at 35 m/s. What is the change in frequency of the…

A: The frequency emitted by the stationary source, fs=1000 Hz The speed of the observer, vo=35 m/s The…

Q: An industrial laser is used to burn a hole through a piece of metal. The average intensity of the…

A: Given that average intensity of the light is  S= 3.06×109 w/m2 we know that   Iavg = cε0 E2rms…

Q: 3. A-4.2μC charge sits on a +3V equipotential line. a. What is the potential energy of the charge?…

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Q: Most waves carry energy with them, but some do not. True False

A: In general wave carry energy(Mechanical waves and electromagnetic waves),but except for stationary…

Q: Polychromatic (white) light is incident on a diffraction grating. Which of the following best…

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Q: ▾ Part A Y > What is the magnitude v of the tangential velocity of a point on the rim of the disk…

A: Given: The radius of the disk is 0.25 m. The mass of the disk is 35.2 kg. The initial angular…

Q: Solve the following problem. Use and identify the GUESS (Given, Unknown, Equation, Substitution, and…

A: Source charge, Q=4×1015 C Distance between the source and the test charge, r=4.55×10-12 m

Q: What is the 7. A ball is thrown straight up with an initial speed of 50 maximum height the ball will…

A: In the question of speed is not given. I was took with 50 as 50 m/s. Initial speed is v0y=50 m/s…

Q: Three resistors with values 47 Ω, 27 Ω, and 91 Ω are connected in series.  What is their equivalent…

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Q: For a double slit experiment which of the following would occur if the slit spacing decreased? A.…

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Q: Solve correctly please. Water is boiled at 1 atm in a 20-cm internal diameter pitted Teflon…

A: To solve this problem, we can use the fact that the rate of water loss due to evaporation is…

Q: pushing on the pump of a bottle of soap compresses a small spring which obeys hookes law. If the…

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Q: certain transformer has exactly 191 turns on its primary side and exactly 126 turns on its secondary…

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Q: Determine the magnitude of the x-component of the force due to gravity on the 75kg-block if the…

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Q: 17. Light with a wavelength of 625 nm is directed through a single slit whose width is 0.32 mm.…

A: Wavelength of light λ=625 nm Width of the slitd=0.32 mm Distance between the slit and the…

Q: Kris is holding a 2-kg book 1.5m above the floor. What is the gravitational potential energy of the…

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Q: 5. A kid (10 kg) sits on a moving Ferris wheel (diameter = 50 m) at a constant speed of 5.3 m/s.…

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Q: A man holds a double-sided spherical mirror so that he is looking directly into its convex surface,…

A: We have given: The distance of the object is  u = -44 cm (Distances are measured in the direction of…

Q: Consider a frictionless track as shown in the figure. Block m1 of mass 7.14 kg is released from a…

A: To solve the problem, we can use the conservation of energy and momentum principles. Let's first…