How long have simple machines been around?

Group of answer choices

A: thousands of years

B: 850 years

c: millions of years

d: hundreds of years

Which of carbon will have higher strength but less ductility, 0.49% or 0.19%

Which of the following is true about the n-way analysis of variance (ANOVA) ? It is a type of ANOVA that can analyze several independent variables at the same time.

How s the weather like

If outside of the flask is not dry when first determination is made and it is dried for second determination, what effect will that have on your result?

In what way do you think the motorcycles perform work?

There are six items to be rung up in the cash register. The first item costs $15.00. Each item after that costs an additional $2.00. (item #2 costs $17, item #3 costs $19, etc.

List and briefly describe two modern's materials needs

Write the definition of a method named add that receives a reference to a Scanner object associated with a stream of input consisting of integers only. The method reads all the integers remaining to be read from the stream and returns their sum.

How are fluids distributed and transported in a fluid power system?

The sliders A and B are connected by a light rigid bar of length l = 20 in. and move with negligible friction in the slots, both of which lie in a horizontal plane. For the position where xA = 16 in., the velocity of A is vA = 3 ft/sec to the right.