Physics, 10.12.2020 21:20 kamayablancowa
A car is initially sliding backwards down a hill at -19 km/h. The driver accelerates the car. By the time the car's velocity is +25 km/h, it is +13.3 m from its starting point. Assuming the car was uniformly accelerated, find the acceleration.
Answers: 3
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When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation
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What are the similarities & differences between a thermistor and a light dependent resistor in physics?
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In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy
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Physics, 22.06.2019 17:30
Asilver dollar is dropped from the top of a building that is 1324 feet tall. use the position function below for free-falling objects. s(t) = โ16t2 + v0t + s0 (a) determine the position and velocity functions for the coin. s(t) = v(t) = (b) determine the average velocity on the interval [1, 2]. ft/s (c) find the instantaneous velocities when t = 1 second and t = 2 seconds. v(1) = ft/s v(2) = ft/s (d) find the time required for the coin to reach the ground level. (round your answer to three decimal places.) t = s (e) find the velocity of the coin at impact. (round your answer to three decimal places.) ft/s
Answers: 3
A car is initially sliding backwards down a hill at -19 km/h. The driver accelerates the car. By the...
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