900*9.8*960*sin(7.5)= the answer
Something with a Cos sign
along its diagonal
Minimum speed occurs at the top, which is the same as the horizontal component of velocity anywhere along the path.
force-meterfriction
Zero.
You can use the Pythagorean theorem to solve for the actual height of the incline because you know they hypotenuse length of the triangle as well as the angle. sin(theta)*950 = _____( actual height of the ramp ) With this new height value you can determine the minimum work needed to push the car up the ramp. Remember: W=m*g*h =(850)(9.8)(actual height) Hope this helps :)
Something with a Cos sign
unda
That means that for every 5 [lengths] forward along the level, the incline rises or drops 1 [length]. [Length] can be any unit of distance. This can also be called a "20% grade" . . . Because 1/5 = 0.2 = 20% . It also tells you that the incline makes an angle of 11.3° with the level, because 0.2 is the tangent of 11.3° .
The Romans did not invent aqueducts. They already existed before them. However, the Romans made remarkable progress in aqueduct construction. Most of the course of aqueducts were underground pipes made of led which were encased in protective concrete. The Romans also made use of a system of syphons at different level along the steep incline of mountains which collected the water from conduits higher up and channelled it into conduits lower down. The also built bridgework to cross rivers and to keep an incline in flat areas. This incline was needed to keep the water flowing by gravity
The weight of the cycle and the person act vertically down (perpendicular to the level ground). This weight can be considered as two components, one perpendicular to the incline and the other along the incline which when added to the speed of the moving cycle increases it.
along its diagonal
Minimum speed occurs at the top, which is the same as the horizontal component of velocity anywhere along the path.
The saying, She is not what I want but what I need, means that the person you need came along. It is a good thing, that maybe they did not realize what they needed until the person came along.
move everything along
Some of the light injected by the optical transmitter is lost along the length of the fiber as the light travels. The optical receiver needs a minimum amount of light to function properly. Therefore optical repeaters must be installed at intervals along the path to keep the light level above the level needed by the last receiver.
People needed silk