Physics, 29.11.2019 03:31 christhegreat1
The density of the liquid flowing through a horizontal pipe is 1200 kg/m3. the speed of the fluid at point a is 7.5 m/s while at point b it is 11 m/s. what is the difference in pressure, pb – pa, between points b and a? a. +5.0 × 104 pab. –1.9 × 103 pac. –2.5 × 104 pad. –3.9 × 104 pae. +3.8 × 103 pa
Answers: 1
Physics, 22.06.2019 08:30
What object a collides with object b and bounces back its final momentum is?
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Physics, 22.06.2019 10:50
If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.
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Physics, 22.06.2019 20:10
Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?
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 person’s average speed in kilometers per hour?
Answers: 2
The density of the liquid flowing through a horizontal pipe is 1200 kg/m3. the speed of the fluid at...
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