Physics, 06.08.2019 04:20 bellabasketball5412
To test the resiliency of its bumper during low-speed collisions, a 3 690-kg automobile is driven into a brick wall. the car's bumper behaves like a spring with a force constant 8.00 106 n/m and compresses 3.86 cm as the car is brought to rest. what was the speed of the car before impact, assuming no mechanical energy is transformed or transferred away during impact with the wall?
Answers: 2
Physics, 21.06.2019 19:10
What happens to light waves from a star as the star moves away from earth?
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Physics, 21.06.2019 22:30
25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
Answers: 1
Physics, 22.06.2019 17:40
The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
Physics, 22.06.2019 18:00
Write a hypothesis about the effect of increasing resistance on the current in the circuit. use theformat and be sure to answer the lesson question. “how do changes in voltage or resistance affect current in an electric circuit? ”
Answers: 3
To test the resiliency of its bumper during low-speed collisions, a 3 690-kg automobile is driven in...
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