PHYSICS MIDDLE SCHOOL

A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Answers

Answer 1
Answer:

Acceleration = (change in speed) / (time for the change)

change in speed = (ending speed) - (starting speed)

change in speed = (10 m/s) - (2 m/s)  =  8 m/s

Acceleration = (8 m/s) / (4 sec)

Acceleration = (8/4) (m/s²)

Acceleration = 2 m/s²

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look around you to find an object in motion.Describe the object's motion by discussing its position and direction of motion in relation to a reference point.Then explain how you can determine the object's speed

Answers

the object in motion is a car. the car's motion is fast and bright in color. I can determine the speed of the car by the speed limit at the moment and upping it if the car is moving faster.

Final answer:

The motion of a car in relation to a reference point can be described by its position and direction. Speed can be determined by measuring the distance traveled in a specific time period.

Explanation:

A moving car can be an object in motion. In relation to a reference point, such as a stationary tree, the car's position and direction of motion can be described. For example, the car may be moving to the right of the tree.

To determine the car's speed, you can measure the distance it travels in a certain amount of time. For instance, if the car travels 100 meters in 10 seconds, its speed would be 10 meters per second (m/s).

In summary, by observing the position and direction of motion of an object in relation to a reference point, you can describe its motion. And by measuring the distance it covers in a given time period, you can determine its speed.

Learn more about motion here:

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A child is stationary on a swing. The child is given a push by his brother to start him swinging. His brother applies a steady force of 84 N over a distance of 0.25 m. Calculate the work done by this force.

Answers

The formula is M=Fd
so we have F=84N and d=0.25m
Now we just replace F and d into the formula M=84N×0.25m
And the last thing we do is calculate it
M=21Nm

A frog leaping upward off his lily pad instead of continuing on in a straight line . Which law is it ?

Answers

Answer:

I think it's Law of Motion.

Explanation:

Hope my answer has helped you!

I believe it is the Law of motion. The frog leaping upward off his lily pad is law of motion

What is a bright, star like object in the galaxy core

Answers

the sun is a bright star 
sun   idk :00000000000000000

You will want to evaluate what you are good at and make sure it jives with your larger goals when choosing a career. Group of answer choices True False

Answers

True. (I have to keep typing cause it won’t let me send because it’s not 20 characters)

What are the 3 parts of the DNA molecule?

Answers

a phosphate group, sugar group and one of the four nitrogen basis 
1. Nitrogenous bases (Adenine,Guanine,Thymine,Cytosine) 
2. Pentose Sugar (Deoxyribose) 
3. Phosphate
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