10/13/21
A block of unknown mass is at rest on a smooth, hotizontal surface. A horizontal force of 47 N causes the block to accelerate at 4.2 m/s2. What is the weight of the block?
A block of unknown mass is at rest on a smooth, hotizontal surface. A horizontal force of 47 N causes the block to accelerate at 4.2 m/s2. What is the weight of the block?I know there are two...
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10/05/21
When standing on the edge of a cliff that is 125 meters high, you through a phone at an angle of 65.0 degrees above horizontal at a speed of 12.32 meters per second.
-How long is it in the air? -How far does it go in the horizontal direction?-What maximum height does it reach?
10/05/21
Time Period for Pendulum
For an object that is attached to a string and sways back and forth (pendulum), does the time period depend on the angular amplitude of the oscillation?
...A 1169 kg car accelerates from
A 1169 kg car accelerates from 67.26 m/s to 93.84 m/s in 12 s. How much power does that require?
Calculate momentum
An electron's wavelength is 3.0×10^−7m. What is its momentum?
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