A speedy rabbit is hopping to the right with a velocity of 4.0 \,\dfrac{\text m}{\text s}4.0 s m 4, point, 0, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction when it sees a carrot in the distance. The rabbit speeds up to its maximum velocity of 13 \,\dfrac{\text m}{\text s}13 s m 13, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction with a constant acceleration of 2.0 \,\dfrac{\text m}{\text s^2}2.0 s 2 m 2, point, 0, start fraction, start text, m, end text, divided by, start text, s, end text, squared, end fraction rightward.

Answers

Answer 1

Answer:

Answer: 38.25 m

Explanation:

In this situation we need to find the distance $d$ between the rabbit and the carrot, and we can use the following equation, since the rabbit's acceleration is constant:

$V^(2)=V_(o)^(2) + 2ad$ (1)

Where:

$V=13 m/s$ is the rabbit's maximum velocity (final velocity)

$V_(o)=4 m/s$ is the rabbit's initial velocity

$a=2 m/s^(2)$ is the rabbit's acceleration

$d$ is the distance between the rabbit and the carrot

Isolating $d$ :

$d=(V^(2)-V_(o)^(2))/(2a)$ (2)

$d=((13 m/s)^(2)-(4 m/s)^(2))/(2(2 m/s^(2)))$ (3)

Finally:

$d=38.25 m$

Answer 2

Answer:

4.5s

Explanation:

Cause that's what it says on my test hints

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A water wave travels 36 meters in 15 seconds. What is the speed of the wave?540 m/s
2.4 m/s
0.42 m/s
1.9 m/s

Answers

Since the question above is looking for the SPEEd of the WAVE, the formula that should be used is SPEED = DISTANCE / TIME. You just need to substitute the distance (36 meters) and the time (15 seconds) to the formula. You should be able to get SPEED = 2.4 m/s.

A water wave travels 36 meters in 15 seconds. What is the speed of the wave?

2.4 m/s

On, Inc., publishing as pe6. Circle the letter before each element that is a gas at room temperature.
a. carbon
c. mercury
d. nitrogen
b. oxygen

Answers

-carbon
-oxygen
-nitrogen

What are non-examples of speed?

Answers

Sitting because when you sitting your not moving around so there fore you speed would be 0 barbecue your not putting in any work

Final answer:

Non-examples of speed include acceleration, direction, time, distance, inertia, momentum, and force. These concepts relate to other aspects of motion, not the rate of motion, which speed measures.

Explanation:

Non-examples of speed would be any factors or measures that don't directly pertain to the measurement of an object's change in position or distance over time. These could include factors such as acceleration, which involves the rate of change of speed; direction, which becomes a concern when we deal with velocity, not speed; and elements like time or distance separately.

For instance, projections about gravitational pull on vehicles while in motion would be non-examples because they relate more to the forces affecting the motion, rather than the motion itself. Similarly, an object's inertia or momentum, and the force applied to an object also do not exemplify speed, as they pertain to mass and force, not the rate of motion.

It's also essential to distinguish between instantaneous speed, average speed (total distance divided by elapsed time), and constant speed (speed that doesn't change over time). These are all variations of speed, but one concept isn't interchangeable with the others based on the context of the motion being described.

Learn more about Non-examples of Speed here:

brainly.com/question/265034

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The work done by an engine equals one-fourth the energy it absorbs from a reservoir. True or False

Answers

True IF the engine is 25% efficient. False otherwise.

The density of water is 1.00 g/cm3. The density of ethanol is 0.80 g/cm3. What is the volume of ethanol, in cm3 that has the same mass as 100 cm3 of water?

Answers

Explanation:

Given that,

The density of water is 1 g/cm³

The density of ethanol is 0.8 g/cm³

We need to find the volume of the ethanol that has the same mass as 100 cm³ of water.

Density=mass/volume

For water,

$d=(m)/(V)\n\nm=dV\n\nm=1\ g/cm^3* 100\ cm^3\n\nm=100\ g$

For ethanol,

$d=(m)/(V)\n\nV=(m)/(d)\n\nV=(100\ g)/(0.8\ g/cm^3)\n\nV=125\ cm^3$

Hence, 125 cm³ of ethanol has the same mass as 100 cm³ of water.

Answer:

1.00 g/cm3

Explanation:

An ant sits on the back of a mouse. The mouse carries the ant across the floor for a distance of 10 meters. Was there work done by the mouse? Explain.

Answers

yes because the mouse was moving with kts kwn force.

Answer: no

Explanation:

force and distance are not in the same direction

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If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?