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VashaNatasha [74]

3 years ago

15

Greg is in a bike race. At mile marker four (out of ten), his speed was measured at 13.5 mph. Which best describes the measured

number?

2 answers:

Alchen [17]3 years ago

7 0

Answer:

its b

Explanation:

i pinky promise

Ipatiy [6.2K]3 years ago

5 0

his speed/ velocity is 13.5 miles per hour

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WILL GIVE BRAINLIEST IF YOU GET THEM ALL RIGHT!!! In this problem you shine a light on a square and you have to tell me which co

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White color light falls on white object , it will appears black because it absorbs all the colors of spectrum.

White color light falls on red object , it will appears red because it absorbs all the colors of spectrum except red.

White color light falls on blue object , it will appears blue because it absorbs all the colors of spectrum except blue.

Red color light falls on white object , it will appears Red.

Red color light falls on Red object , it will appears Red.

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Green color light falls on Green object , it will appears green.

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8 0

2 years ago

Hearing rattles from a snake, you make two rapid displacements of magnitude 1.8 m and 2.4m. Draw sketches, roughly to scale, to

seraphim [82]

Answer:

The answer is a 4.2m

Explanation:

Given data

Please see attached the rough drawing for your reference.

From the drawing, you ran 18m west and 2.4m south

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3 years ago

Ali has less mass flying in a jet high above the earth than when she stands on the surface of the earth. True False

andrey2020 [161]

False. Mass doesn't depend on location or gravity. It doesn't change.

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3 years ago

Particle q1 has a positive 6 µc charge. particle q2 has a positive 2 µc charge. they are located 0.1 meters apart. recall that k

Dmitrij [34]

(a) Force between the two charges

The electrostatic force between the two charges is given by:

$F=k\frac{q_1 q_2}{r^2}$

where k is the Coulomb's constant, q1 and q2 the two charges, r their separation.

In this problem:

$q_1 =6 \mu C=6 \cdot 10^{-6}C$

$q_2=2 \mu C=2 \cdot 10^{-6}C$

$r=0.1 m$

Substituting into the equation, we find

$F=(8.99 \cdot 10^9 Nm^2C^{-2})\frac{(6 \cdot 10^{-6}C)(2 \cdot 10^{-6}C)}{(0.1 m)^2}=10.8 N$

(b) direction of particle q2

Particle q2 wants to move in the direction of the force acting on it. The direction of the force depends on the relative sign of the two charges: like charges attract each other, opposite charges repel each other. In this case, the two charges are both positive, so they repel each other and q2 tends to move away from particle q1.

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3 years ago

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Same answer as the first one above

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3 years ago