PHYSICS MIDDLE SCHOOL

Newton's universal law of gravitation says that every object exerts a force on another object. The shuttle has a gravitational force with Earth, the moon, and whatever planet it is near. This force prevents the shuttle from drifting.Question 1 options:
True
False

Answers

Answer 1
Answer: the correct answer is true

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The Earth's axis of rotation is tilted. Because of this, the amount of sunlight an area on the planet receives each day variesdepending on the time of year. These variations result in four distinct seasons.The diagram below shows the Earth at one particular point in its yearly revolution around the Sun.Image courtesy of NASAWhen the Earth is in the position shown above, the Northern Hemisphere experiences the start ofhemisphere is tiltedthe Sunbecause that
A living thing is called?
A golfer uses a club to hit a 45 g golf ball resting on an elevated tee so that the golf ball leaves the tee at the horizontal speed of +38m/s. (1) What is the impulse of the golf ball? (2) What is the average force that the club exerts on the golf ball if they are in contact for 2.0x10^-3s? (3) What average force does the golf ball exert on the club during this time interval?
Contrast situations where work is done with different amounts of force to situations where no work is done such as standing still???
Acceleration can bea change in speed and.........?

What is a sentence for allele

Answers

A different form of gene is known as an allele.
i was standing in the allele and got starteld bya cat.

What is the momentum of a 12,000 kg car moving at a speed of 40 m/s?

Answers

Momentum = (mass) x (speed)

Momentum = (12,000 kg) x (40 m/s)

Momentum = (12,000 x 40) kg-m/s

Momentum = 480,000 kg-m/s

A golf ball reaches a height of 150 m before it stops rising and starts to fall to the ground. What is the golf balls speed (rounded to the nearest whole number) right before it hits the ground?

Answers

Answer:

v = 54 m/s

Explanation:

Given,

The maximum height of the flight of golf ball, h = 150 m

The velocity at height h, u = 0

The velocity of the golf ball right before it hits the ground, v = ?

Using the III equations of motion

                                 v² = u² + 2gh

Substituting the given values in the above equation,

                                 v² = 0 + 2 x 9.8 x 150 m

                                     = 2940

                                  v = 54 m/s

Hence, the speed of the golf ball right before it hits the ground, v = 54 m/s

How do liquid water, ice, and water vapor differ from each other?

Answers

They are made of different states of matter.
Liquid water is a liquidIce is a solidWater vapour is a gas

If atoms are made up of smaller particles, such as protons, neutrons, and electrons, then why are atoms considered the smallest particles of an element?

Answers

Because all protons are the same, all neutrons are the same, and all electrons are the same, and all atoms of all elements are made of them, so the smallest particles of every element are the same particles.  It's only when some number of them get together and make an atom that the properties of an element begin to show up.

Let me try it like this, and see if this does anything for you:

All buildings are made of brick, cement, wood, glass, pipes, wires, etc.
But all bricks are the same, all cement is the same, all glass is the same, etc.
Houses, stores, shacks, skyscrapers, and hunting lodges are all made of them.
You don't know what kind of building you have, until some brick, some cement,
some wood and some glass all get put together.

Similarly, you don't know what kind of atom ... of what element ...you have, until
some protons, some neutrons, and some electrons get put together

Which scientific principle states that specific groups of organisms have followed, or succeeded, one another in a definite sequence through Earth history? A.
lateral continuity

B.
horizontal continuity

C.
faunal succession

D.
geological succession

Answers

I think the answer is D. Geological succession.
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What are the three types of acceleration?
A bus travels 4 km due north and then 3 km due west goingfrom bus station A to bus station B. The magnitude of the bus'displacement from station A to station B is __km