Physics, 01.10.2019 07:10 hdwoody2002
Two students walk in the same direction along a straight path at a constant speed. one walks at a speed of 0.90 m/s and the other at a speed of 1.9 m/s. assuming they have started at the same point at the same time, how much sooner does the faster student arrive at the destination 780 miles away?
a) 456 seconds
b) 411 seconds
c) 780 seconds
d) 867 seconds
Answers: 1
Physics, 22.06.2019 10:30
In science and physics what is the standard unit of measure for speed?
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Physics, 22.06.2019 16:30
Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)
Answers: 1
Physics, 22.06.2019 23:30
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the personโs average speed in kilometers per hour?
Answers: 2
Two students walk in the same direction along a straight path at a constant speed. one walks at a sp...
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