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2 years ago

14

What is the most common consumed Halloween candy in the us after chocolate

1 answer:

iogann1982 [59]2 years ago

8 0

Sour patch candy in the US after choclate

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A person walks in the following pattern: 3.1 km north, then 2.4 km west, and finally 5.2 km south. a) Sketch the vector diagram

zysi [14]

Answer:

$d = 3.19 km$

direction is given as

$\theta = 41.2 degree$ South of West

Explanation:

Part b)

displacement is given as

$d_1 = 3.1 \hat j$

$d_2 = 2.4 \hat i$

$d_3 = 5.2(-\hat j)$

now we will have

$d = d_1 + d_2 + d_3$

$d = 2.4 \hat i + (3.1 - 5.2)\hat j$

$d = 2.4 \hat i - 2.1 \hat j$

total displacement is given as

$d = \sqrt{2.4^2 + 2.1^2}$

$d = 3.19 km$

direction is given as

$tan\theta = \frac{-2.1}{2.4}$

$\theta = 41.2 degree$ South of West

3 0

3 years ago

You are beautiful have a nice day <3

Tresset [83]

Answer:

I am?

Explanation:

7 0

2 years ago

Read 2 more answers

A 10 g bullet moving horizontally with a speed of 2000 m/s strikes and passes through a 4.0 kg block moving with a speed of 4.2

Masteriza [31]

Answer:

The answer is "512 J".

Explanation:

bullet mass $m_1 = 10 g= 10^{-2} \ kg\\\\$

initial speed $u_1 = 2\ \frac{Km}{s}= 2000\ \frac{m}{s}\\\\$

block mass $m_2 = 4\ Kg$

initial speed $v_2 =-4.2 \frac{m}{s}$

final speed $v_2= 0$

Let $v_1$ will be the bullet speed after collision:

throughout the consevation the linear moemuntum

$\to M_1V_1+m_2v_2=M_1U_1+m_2u_2\\\\\to (10^{-2} kg) V_1 +0 = (10^{-2} kg)(2000 \frac{m}{s}) + (4 \ kg)(-4.2 \frac{m}{s}) \\\\\ \to 10^{-2} v_1 = 20 -16.8\\\\$

$= 320 \frac{m}{s}$

The kinetic energy of the bullet in its emerges from the block

$k=\frac{1}{2} m_1 v_1^2$

$=\frac{1}{2} \times 10^{-2} \times 320\\\\=512 \ J$

3 0

2 years ago

What is the second largest watershed by drainage area in north america?

Svetlanka [38]

<span>Hudson Bay drainage basin</span>

4 0

3 years ago

How to change V=72km/hr to m/s

lapo4ka [179]

Multiply by (1000 meters / 1 km).
Then multiply by (1 hour / 3600 seconds).

Both of those fractions are equal to ' 1 ', because the top
and bottom numbers are equal, so the multiplications
won't change the VALUE of the 72 km/hr. They'll only
change the units.

(72 km/hour) · (1000 meters / 1 km) · (1 hour / 3600 seconds)

= (72 · 1000 / 3600) (km·meter·hour / hour·km·second)

= 20 meter/second

7 0

3 years ago