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Myriam Morissette

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Term1/13
What term describes an educated guess about what the answer to a question might be
Definition1/13

hypothesis
A hypothesis.

Term1/13
The custom of watching fireworks on the Fourth of July would be studied by this social science
Definition1/13

a- Anthropology

Term1/13
A jogger runs at an average speed of 5 ms for 3 minutes then finishes with an average speed of 4 ms for 2 minutes What is his average speed in ms for the run
Definition1/13

4.6ms

Term1/13
Which of these rates is slowest 1760 yardsminute 60 mihr or 88 ftsec
Definition1/13

When you convert it, you will find out that they're all the same.

Term1/13
A 14 kg cart is coasting down a street at a steady speed of 7 ms what is the kinetic energy of the cart
Definition1/13

Kinetic energy = 1/2 M V2 = 0.5 x 14 x 49 = 343 joules

Term1/13
The tangent of an angle equals the ratio of the
Definition1/13

Sine of the angle to its cosine.

Term1/13
A 10 kg object is lifted up 10 meters How much potential energy has the object gained
Definition1/13

1,000

Term1/13
A rock weighing 98 newtons is pushed off the edge of a bridge 50 meters above the ground What was the potential energy of the rock before it began to fall
Definition1/13

4900

Term1/13
Look at the pie graph pictured How many students ate in the cafeteria
Definition1/13

125

Term1/13
A 50 kg cannon ball is shot horizontally from a cannon at a speed of 80 ms At this speed its kinetic energy will be joules
Definition1/13

Kinetic Energy = 1/2 M V2 = (25) (80)2 = 160,000joules.

Term1/13
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi
Definition1/13

250 newtons

A+ Answers

Term1/13
What type of measurement is this 12 feet up scalar or vector
Definition1/13

A scalar has distance but no direction.

A vector has distance and direction.

"12 feet up" has distance (12 feet) and direction (up), so is a vector.

Term1/13
What of these is always part of using the scientific method
Definition1/13

A question about an observation

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Cards in this guide (13)
What term describes an educated guess about what the answer to a question might be

hypothesis
A hypothesis.

The custom of watching fireworks on the Fourth of July would be studied by this social science

a- Anthropology

A jogger runs at an average speed of 5 ms for 3 minutes then finishes with an average speed of 4 ms for 2 minutes What is his average speed in ms for the run

4.6ms

Which of these rates is slowest 1760 yardsminute 60 mihr or 88 ftsec

When you convert it, you will find out that they're all the same.

A 14 kg cart is coasting down a street at a steady speed of 7 ms what is the kinetic energy of the cart

Kinetic energy = 1/2 M V2 = 0.5 x 14 x 49 = 343 joules

The tangent of an angle equals the ratio of the

Sine of the angle to its cosine.

A 10 kg object is lifted up 10 meters How much potential energy has the object gained

1,000

A rock weighing 98 newtons is pushed off the edge of a bridge 50 meters above the ground What was the potential energy of the rock before it began to fall

4900

Look at the pie graph pictured How many students ate in the cafeteria

125

A 50 kg cannon ball is shot horizontally from a cannon at a speed of 80 ms At this speed its kinetic energy will be joules

Kinetic Energy = 1/2 M V2 = (25) (80)2 = 160,000joules.

A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi

250 newtons

A+ Answers

What type of measurement is this 12 feet up scalar or vector

A scalar has distance but no direction.

A vector has distance and direction.

"12 feet up" has distance (12 feet) and direction (up), so is a vector.

What of these is always part of using the scientific method

A question about an observation

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Which of these rates is slowest 1760 yardsminute 60 mihr or 88 ftsec

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