Physics, 04.06.2020 13:07 elizabethxoxo3271
Mr. David drove from his home to his work place. For the first
1.2 hours, he travelled at a constant speed of 65 km/h. For the
next 2.3 hours, he travelled at a constant speed of 70 km/h.
What was the average speed for the whole journey?
km/h
Enter the answer
Answers: 3
Physics, 22.06.2019 17:40, kimberly01262016
The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.
Answers: 1
Physics, 22.06.2019 23:50, bneilesauger
What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.
Answers: 2
Physics, 23.06.2019 01:00, bendmads04
Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis
Answers: 1
Physics, 23.06.2019 10:00, thicklooney
The molecular weight of oxygen gas (o2) is 32 while that of hydrogen gas (h2) is 2. prove that under same physical conditions, the velocity of sound in hydrogen is four times that in oxygen
Answers: 1
Mr. David drove from his home to his work place. For the first
1.2 hours, he travelled at a constan...
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