subject
Physics, 03.03.2021 15:40 2020kaylahernan

Kara drops a rock from the edge of a cliff and it takes 7.00 s for the rock to reach the ground. What is the cliff’s height?

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 23:00
Acoal-fired plant generates 600 mw of electric power. the plant uses 4.8 x 10^6 kg of coal each day, and the heat of combustion of coal is 3.3x 10^7 j/kg. the steam that drives the turbines is at a temperature of 300° c, and the exhaust water is at 37° c. (a) what is the overall efficiency of the plant for generating electric power? (b) how much thermal energy is exhausted each day? (c) what is the change in entropy of the universe for this heat engine? (d) using the same heat reservoirs, what is the maximum possible (carnot) efficiency for a heat engine?
Answers: 1
question
Physics, 22.06.2019 13:50
Most of the volume of an atom is occupied by the
Answers: 1
question
Physics, 22.06.2019 18:30
En un laboratorio, nakisha mezcla una solución de hidróxido de sodio con un indicador llamado fenolftaleína. cuando se combinan, crean una solución de color rosa. nakisha se pregunta si la mezcla de otras soluciones con fenolftaleína también creará este color rosa. ? cómo podría nakisha utilizar el proceso de investigación científica para determinar si la mezcla de otras soluciones con fenolftaleína también creará un color rosa? marque las que correspondan.
Answers: 2
question
Physics, 22.06.2019 19:30
What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?
Answers: 3
You know the right answer?
Kara drops a rock from the edge of a cliff and it takes 7.00 s for the rock to reach the ground. Wha...
Questions
question
Mathematics, 18.03.2021 02:20
question
Mathematics, 18.03.2021 02:20
question
Mathematics, 18.03.2021 02:20
Questions on the website: 13722362