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gregori [183]
3 years ago
14

A man can walk three blocks east and four blocks north in 20 min. He can drive 12 times that distance in the same amount of time

. How far can the man drive in 20 min? Assume that each block is 0.3 kilometers.
A. 60 km
B. 18 km
C. 25 km
D. 84 km
Physics
1 answer:
earnstyle [38]3 years ago
6 0

Answer: For anyone in Connexus. Just took the test.

1. A. Magnitude: 5km; direction: 73.7° east of north.

2. B. Acceleration

3. D. Magnitude: 6.40 blocks; direction: 38.7° east of north

4. B. 18 km

5. B. 70 m/s

6. C. It has a magnitude of 25 m.

7. C. In opposite directions

8. A. A physical quantity described by a single number.

9. A. 8.0 mm

10. B. A measurement having both magnitude and direction.

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Based on Schaffer's arguments in "The Value of a Sherpa Life," choose the statement
Tju [1.3M]

Answer:

Sherpas do work that is much more meaningful than the work other climbers do.

Explanation:

3 0
3 years ago
. The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). What is (a) its molecular mass (in atomic mas
loris [4]

The molecular mass, in atomic mass unit, of aspartame would be 294 amu while the mass, in kg, of an aspartame molecule would be 0.294 kg

Aspartame has the chemical formula C14H18N2O5

C = 12, H = 1, N = 14, O = 16

(a) Molecular weight = (12x14) + (1x18) + (14x2) + (16x5)

                                  = 168 + 18 + 28 + 80

                                    = 294 amu

(b) Mass of 1 molecule of aspartame = mole x molar mass

                                    = 1 x 294

                                        = 294 g

Converting 294 g to kg = 294/1000

                                         = 0.294 kg

More on mole and molar mass can be found here: brainly.com/question/6613610

7 0
2 years ago
a ball on a string is swung overhead in a horizontal circle with a radius of 0.66 m. what speed (in m/s) does the ball need to m
AnnZ [28]

Answer:

The ball is moving in a horizontal circle.

The force acting towards the center of the circle is

F = M a = M * V^2 / R    

a = V^2 / R      simplifying equation

V = (a / R)^1/2 = (23 / .66)^1/2 = 5.90 m/s

8 0
2 years ago
What would be the best example of a fine motor skill? a. Climbing to the top of a large hill b. Feeding yourself with a spoon c.
Elden [556K]

Answer:

The correct answer is

b. Feeding yourself with a spoon

Explanation:

There are two categories of motor skills, fine motor skills and gross motor skills

Fine motorskills also known as dexterity is the  synchronized use of small muscles like muscles in the wrists, hands and fingers along with the eyes. Fine motor skills are used for tasks like turning pages or using the computer key board that requires coordinated and precise movements. Human dexterity is reflected in the level of complexity of functions controlled by the nervous system.

Example of fine motor skill is Feeding yourself with a spoon while gross motor skill includes climbing to the top of a large hill spoon, running in a race and crawling

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3 years ago
Astronomers have observed a small, massive object at the center of our Milky Way Galaxy. A ring of material orbits this massive
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