average force did the ground exert on the ball

Q: A 11.83 ohm resistor, a 17.31 ohm resistor and a 17.21 ohm resistor are connected in series to a…

A: To find the current running through the circuit, we can use Ohm's Law, which states that the current…

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Q: Two uniformly charged rods, rod 1 and rod 2, are placed as in the figure. Both rods are 40 cm long.…

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Q: 2. A thin, double-concave lens, with a focal length of -4.0cm, is placed at the origin. Find the…

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Q: For the situation in Figure below, find the net force on (a) the rectangular loop and (b) on the…

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Q: Find the charge on the capacitor in an LRC-series circuit at t = 0.03 s when L = 0.05 h, R = 402, C…

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Q: [3] A small block of mass Mis initially suspended by a light string of length L. A bullet of mass…

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Q: How much heat is required to raise the temperature of 70 g of water from 20 Celsius to 80 Celsius?

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Q: 1. How much work is required to carry an electron from the positive terminal of a 12-V battery to…

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Q: A solenoid of radius 2.09 cm has 405 turns and a length of 19.9 cm. Calculate its inductance.…

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Q: Calculate the acceleration due to gravity on the Moon’s surface.

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Q: Cool-down If the induced current flows like in the figure, is the magnetic field increasing,…

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Q: A 400 g of ice at -7° C is placed in 2.5 kg of water at 36° C. If the specific heat of ice 2050…

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Q: A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the…

A: Solution: The induced emf in the circular coil is E1 = 0.85 V The induced current in the circular…

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Q: A wave of amplitude A interferes with a wave of amplitude B. Which mathematical expressions are…

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A: m=0.043 kgL=1.37 mB=0.74 Tg=9.81 m/s2

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Q: The drawing shows four point charges. The value of q is 1.3 μC, and the distance d is 0.84 m. Find…

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Q: What magnitude force is required to give a helicopter of mass M an acceleration of 0.10g upward?…

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Q: 15. How much heat is required to convert 135 g of ice at -15 °C into water vapor at 120 °C? (Assume…

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Q: A underdamped oscillator of mass ?=1.74 kg and spring constant ?=42.5 N/m has a damping constant ?…

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A: The wavelength of the redshift is 434 nm. The observed wavelength from the laboratory is 462 nm.

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Q: time t = 0 s two figure figure skaters are moving together over ice with negligible friction, as…

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Q: Item # 5 A spherical capacitor has inner radius 10.0 mm and outer radius 15.0 mm. At r= 11.0 mm, it…

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Q: Suppose you have 2.5 kg of steam at 100°C occupying 6.5 m³ at a pressure of 1.013 x 105 Pa. When the…

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Q: Three trucks are pulling a weight. The middle truck is exerting a force of 1800N at 96⁰ and the…

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Q: Consider water is moving at a speed of 2.05 m/s through a hose with an internal diameter of 1.4 cm.…

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Q: What is the initial speed of the projectile?

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Q: Virtual particles are always created in pairs.  What is the main similarity and difference between…

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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!