kHailaRichh kHailaRichh

01-03-2017
Mathematics

contestada

If a 10 cm radius wheel rotates through 2 radians how many meters has it rolled?

Respuesta :

keisurin keisurin

04-03-2017

2 radians = 2 full rotations
pi = 3.14

circumference of wheel = 2(pi)r
= 20 * 3.14
=62.8 cm
= 0.628m

meters rolled = 0.628 * 2
=1.256 m

Answer Link

Otras preguntas

In lines 619–620, the poem describes Grendel’s severed head as “a weird and wonderful sight.” Why do you think this sight seemed weird and at the same time wond

Question 4 1 pts The five health components of fitness are flexibility, muscular strength, muscular endurance, body composition, and running O cardiorespiratory

4D. Jenna has ten 50 coins, ten 100 coins and ten 20c coins. She chooses three of these coins and adds them together to find the total amount. How many differen

What is the main function of chloroplast in a plant cell? * They produce proteins. They store water and food. They perform photosynthesis. They protect cells fr

The Cupcake Café makes 4 times as much revenue on doughnuts as muffins. If total sales were $44.000 for May, what dollar amount of each was sold?

Find the trig ratio. Reduce to lowest terms.

Which organelles are not found in plant cells?

Graph the following equation: y= x-2y= -1/5x - 8

What is the value of x if 5x +55 = 35?

He ( paint ) his house . I like the colour . ( use correct form of verb )