What are the basic building blocks of all living things
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What are the most basic building blocks of all organisms?
A.
organs
B.
blood
C.
cells
D.
tissue
Questions in Physics
A 3.0 m long ladder leans against a frictionless wall
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A 6 m long, uniform ladder leans against a frictionless wall and makes an angle of 74.3 ◦ with the floor. The ladder has a mass 25.8 kg. A 67.08 …
Constellations rise in the ____ and set in the ____
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The sun, moon, planets and stars rise in the ____ and set in the ____.
Why is it warmer at the equator than the poles
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Why is the Earth generally warmer at the equator than at the poles?
What is the difference between an inference and an observation
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What is the difference between an observation and an inference?
Which state of matter have no definite shape or volume
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Which state(s) of matter have no definite shape or volume??
What happens to gas particles when a gas is compressed
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What happens to the molecules when a gas is compressed?
A. They maintain their temperature.
B. There is a drop in temperature.
C. There is a rise in temperature.
an …
How many miles does the earth travel around the sun
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The earth travels at 68,000 miles/hour as it moved around the sun. How many miles does the earth travel in one trip around the sun
No work is done by gravity on a bowling ball
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No work is done by gravity on a bowling ball that rolls along a bowling alley because
Which of the following statements about quantum theory is incorrect
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Which of the following statements is INCORRECT?
A) It is not possible to know the exact location of an electron and its exact energy simultaneously.
B) The energies of an …
What kind of weather is associated with a stationary front
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What type of weather is associated with a stationary front
At what temperature does water boil on the celsius scale
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On the Celsius scale, at what temperature does water boil?
A 60 g bullet is fired horizontally with a velocity
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A 2-oz bullet is fired horizontally with a velocity v1 = 1800 ft/sec into the 6-kg block of soft wood initially at rest on the horizontal surface. The bullet emerges …
What is the difference between energy transfer and energy transformation
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1)Describe the difference between an
energy transfer and energy store.
2)Give 3 examples of an energy transfer.
3)Give 3 examples of an energy store.
Law of conservation of energy states that energy cannot be
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Complete the sentence to describe the law of conservation of energy. The law of conservation of energy states that energy cannot be created or , but it can be
A car of mass m is on an icy driveway
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A car of mass 1460 kg is on an icy driveway inclined at an angle of 33◦. The acceleration of gravity is 9.8 m/s^2. If the incline is frictionless, what …
What does the heliocentric model of the solar system state
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What does the heliocentric view of a solar system imply?
that planets move around Earth
that the moon moves around Earth
that planets move around the Sun
that the moon …
What is the speed of the boat in still water
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The speed of a boat in still water is 20 mph. it travels from one pier to another with the current in 4 hours and back against the current in …
If positive work is done on an object the object
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If the net work done on an object is positive, what can you conclude about the object's motion?
- The object is moving with a constant velocity.
- The object …
In an electric shaver the blade moves back and forth
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In an electric shaver, the blade moves back and forth over a distance of 2.00 mm. The motion is simple harmonic, with frequency 120 Hz. Find (a) the amplitude, (b) …
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