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3 years ago

What is the acceleration of a car that maintains a constant velocity of 100km/h for 10 seconds?

Physics

2 answers:

dusya [7]3 years ago

6 0

A constant velocity means the acceleration is zero.

Zinaida [17]3 years ago

5 0

Answer:0

Explanation: The acceleration of a car that maintains a constant velocity of 100 km/h for 10s is zero. Acceleration is a change in velocity. Thus, if velocity is constant, that means there is no change and velocity stays the same.

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Give me 4 ways waves can transfer energy?

Pani-rosa [81]

Answer:

Explanation:

Wave’ is a common term for a number of different ways in which energy is transferred:

In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields.

In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels.

In water waves, energy is transferred through the vibration of the water particles

3 0

3 years ago

A cyclist maintains a constant velocity of 4.1 m/s headed away from point A. At some initial time, the cyclist is 244 m from poi

astra-53 [7]

Answer:

$d=490\ m$ is his final displacement from the point A after 60 seconds.

Explanation:

Given:

Cyclist is moving away from A.

velocity of cyclist, $v=4.1\ m.s^{-1}$

displacement of the cyclist from point A at the time of observation, $d_i=244\ m$

time after which the next observation is to be recorded, $t=60\ s$

Now as the cyclist is moving away from point A his change in displacement after the mentioned time:

$\Delta d=v.t$

$\Delta d = 4.1 \times 60$

$\Delta d=246\ m$

<u>Now the the final displacement from point A after the mentioned time:</u>

$d=d_i+\Delta d$

$d=244+246$

$d=490\ m$

6 0

3 years ago

Hurry need an answer

notsponge [240]

Answer:

i think b

Explanation:

6 0

3 years ago

Brody is barbecuing hamburgers on the grill. He notices that the coals are ready for cooking because he feels the warmth of the

hodyreva [135]

Answer:

i think the answer is infrared

8 0

3 years ago

When a sound wave first enters the auricle, which part of the ear does it travel through on its way to the eardrum?

ddd [48]

Ear Canal.

Explanation:

Sound waves enter the auricle and travel through a narrow passageway called the ear canal, which leads to the eardrum.

5 0

2 years ago