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Author: Anonymous (page 9)

Two projectiles are fired from ground level at equal speeds…

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
Two projectiles are fired from ground level at equal speeds but different angles. One is fired at an angle of 30° and the other at 60°. Neglecting air resistance, the projectile to hit the ground first will be the one fired at
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The radial velocity of an Earth satellite is its velocity

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
The radial velocity of an Earth satellite is its velocity
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The tangential velocity of an Earth satellite is its velocit…

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
The tangential velocity of an Earth satellite is its velocity
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Connect a pair of lamps in series and current is drawn from…

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
Connect a pair of lamps in series and current is drawn from the battery. Connect the same lamps in parallel and the current drawn is
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If the temperature of a sample of water at 0°C is slightly i…

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
If the temperature of a sample of water at 0°C is slightly increased, its volume
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A pendulum clock at high altitudes runs

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
A pendulum clock at high altitudes runs
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Which temperature scales have equal sized degrees?

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
Which temperature scales have equal sized degrees?
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Aluminum has a higher specific heat capacity than iron. This…

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
Aluminum has a higher specific heat capacity than iron. This means that for equal masses of aluminum and iron, the metal that heats more quickly when the same amount of heat is applied is
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A projectile is launched vertically upward at 50 m/s. If air…

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
A projectile is launched vertically upward at 50 m/s. If air resistance is negligible, its speed upon returning to its starting point is
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In a mixture of hydrogen gas, oxygen gas, and nitrogen gas,…

Posted on: December 27, 2025 Last updated on: December 27, 2025 Written by: Anonymous
In a mixture of hydrogen gas, oxygen gas, and nitrogen gas, the molecules with the greatest average speed are those of
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