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murzikaleks [220]

3 years ago

13

Sal is thinking about making a positive change in his life. But there are risks involved. Which is the healthiest way that Sal c

an approach these risks?

1 answer:

borishaifa [10]3 years ago

6 0

Figure out which is less harmful and continue to make sure he makes careful decisions while doing so.

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One of the best ways to avoid injury while riding a bike

mel-nik [20]

know how to ride a bike simply put also wear safety gear like a helmet knee pads things like that

hope this helps

5 0

3 years ago

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All the planets in the solar system have ____ except for mercury and venus?

VLD [36.1K]

Answer:

have moon except merc and Venus

6 0

3 years ago

A dolphin swims 1.85 km/h how far has the dolphin traveled after 0.60 h

user100 [1]

Answer:

1.11 km

Explanation:

Distance = rate × time

d = 1.85 km/h × 0.60 h

d = 1.11 km

6 0

3 years ago

) Force F = − + ( 8.00 N i 6.00 N j ) ( ) acts on a particle with position vector r = + (3.00 m i 4.00 m j ) ( ) . What are (a)

natali 33 [55]

To develop this problem it is necessary to apply the concepts related to the Cross Product of two vectors as well as to obtain the angle through the magnitude of the angles.

The vector product between the Force and the radius allows us to obtain the torque, in this way,

$\tau = \vec{F} \times \vec{r}$

$\tau = (8i+6j)\times(-3i+4j)$

$\tau = (8*4)(i\times j)+(6*-3)(j\times i)$

$\tau = 32k +18k$

$\tau = 50 k$

Therefore the torque on the particle about the origen is 50k

PART B) To find the angle between two vectors we apply the definition of the dot product based on the vector quantities, that is,

$cos\theta = \frac{r\cdot F}{|\vec{r}|*|\vec{F}|}$

$cos\theta = \frac{(8*-3)+(4*3)}{\sqrt{(-3)^2+4^2}*\sqrt{8^2+6^2}}$

$cos\theta = -0.24$

$\theta = cos^{-1} (-0.24)$

$\theta = 103.88\°$

Therefore the angle between the ratio and the force is 103.88°

5 0

3 years ago

Moira is drawing the electric field lines around a pair of charges. One charge is positive, and the other charge is negative.

GalinKa [24]

The answer to the question, "How should she draw the field lines?" is option C, <span>away from the positive charge and toward the negative charge</span>

5 0

3 years ago

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