What is the length of the string
A 232 g ball is tied to a string. It is pulled to an angle of 5.0 degree and released to swing as a pendulum. A student with a stopwatch finds that 23 oscillations take 20 s. What is the length of the string?
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How much more precisely should this quantity be determined in order to make the uncertainty terms associated with L and r equal to each other?
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Given the narrow (usable) audio bandwidth of telephone transmission facility, a nominal SNR of 56dB (400,000), and a distortion level of <0.2%,
At high noon, the Sun delivers 1.10 kW to each square meter of a blacktop road. If the hot asphalt loses energy only by radiation, what is its equilibrium temperature?
Which authentication factor is being used by authentication server that respond to login request by generating a random number or code, and expecting to receive that code plus a secret password in return?
An object when orbiting the Earth at a height of three Earth radii from the center of the Earth has a weight of 3.00 N. What is the objects mass?
What did Vygotsky say about learning through imitation and its relationship to what he called the Zone of Proximal Development?
Two carts with masses of 12.5 kg and 4.5 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 8.0 m/s and 5.0 m/s, respectively. The carts stick together after colliding head-on. Find the final speed of
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