All categories

2 years ago

Does friction increase speed ?

Mathematics

2 answers:

sukhopar [10]2 years ago

7 0

Answer:

That force is proportional to the velocity with which it is moving. This yes, the drag force or viscous force will increase as the velocity increases and this is generally associated with the object moving in fluids like water or air(freely falling).

Natasha2012 [34]2 years ago

6 0

Answer:

Step-by-step explanation:

Think of an object moving over ice or something flying through space. There's little or no friction and the object continues at its speed. But when you are flying down the road on a bicycle and you put your feet flat on the ground to slow down...the friction of the sole of your shoe drags across the road and slows you down. Friction decreases speed.

You might be interested in

HELP ASAP ~ WILL GIVE BRAINLIEST ASAP

dimaraw [331]

Answer:

Domain [-5,∞)

Range [0,∞)

Step-by-step explanation:

Part 1) Find the domain

we have

$f(x)=\frac{1}{2}\sqrt{x+5}$

we know that

The radicand must be greater than or equal to zero

$x+5\geq 0$

solve for x

subtract 5 both sides

$x\geq -5$

The solution for x is the interval [-5,∞)

All real numbers greater than or equal to -5

Remember that

The domain of a function is the set of all possible values of x

therefore

The domain of the function f(x) is the interval [-5,∞)

Part 2) Find the range

we have

$f(x)=\frac{1}{2}\sqrt{x+5}$

Find the value of f(x) for the minimum value of x

For x=-5

$f(x)=\frac{1}{2}\sqrt{-5+5}$

$f(x)=0$

The minimum value of f(x) is equal to zero

The solution for f(x) is the interval [0,∞)

All real numbers greater than or equal to 0

Remember that

The range of a function is the complete set of all possible resulting values of y, after we have substituted the domain.

therefore

The range of the function is the interval [0,∞)

8 0

3 years ago

A social media website had 350,000 followers in 2010. The number y of followers

Zolol [24]

Answer:

a) $y(t) = 350(1.02)^t$

b) 394 thousand = 394,000 people will be following the website in 2016

Step-by-step explanation:

Exponential equation for an amount:

The exponential equation for an amount after t years has the following format:

$y = y(0)(1+r)^t$

In which y(0) is the initial value and r is the growth rate, as a decimal.

A social media website had 350,000 followers in 2010. The number y of followers increases by 2% each year.

This means that: $y(0) = 350, r = 0.02$

a. Write an exponential growth function that represents the number of followers t years after 2010

In thousands:

$y(t) = 350(1 + 0.02)^t$

$y(t) = 350(1.02)^t$

b. How many people will be following the website in 2016?

2016 is 6 years after 2010, so this is y(6).

$y(6) = 350(1.02)^6 = 394.2$

Rounding to the nearest thousand:

394 thousand = 394,000 people will be following the website in 2016

5 0

3 years ago

Mrs. whimsey's class is having a pizza party . If there are 16 student and 4 pizzas cut into 8 slices , what answer choice repre

777dan777 [17]

each student recieves 2 slices of pizza because 4 pizzas cut into 8 slices divided among 16 students ot 4x8/16=2. 4x8=32 32/16=2

3 0

3 years ago

Divide. 2\3÷4\5 2\8 8\15 5\6 8\8

mel-nik [20]

Do you mean the 2/3, 4/5,2/8 etc.are fractions? Or dividing each number? If so for dividing each number the answer is 0.9. For fractions the answer is 7 and 1/2. Hope I helped!

6 0

3 years ago

Anyone willing to help me with this? :')

vlabodo [156]

Answer:

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Does friction increase speed ? ​

Does friction increase speed ?