40 Answered Questions for the topic Meters

11/28/18

#### ellis grew by 9 centimeters in the past year, and is now 1.4 meters tall. How tall in meters was ellis last year?

Tell me how tall he is in meters.

04/30/18

#### A string 200 meters long must be cut into pieces that are 3 1/3 meters long. How many pieces will there be after the string is cut?

String 200 meters cut into pieces 3 1/3 meters long

01/19/18

#### the width of a garden is 23m, this is two meters less than half of the length of the garden. How many meters is the length of the garden

23 divided by 2 minus 2 = x

01/15/18

#### What acceleration is needed to stop in time from hitting the wall?

Chris drives a 1200 kg car straight at a brick wall. He is accelerating at a rate of 4 m/s^2. He started from rest and accelerated for 3 seconds, and began to hit the brakes when he was 9m away...
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07/24/17

#### measurement in meters?

William wants to buy a piece of nylon cord that measures 322 cm. The price is $4.48 per meter plus a 7% sales tax. How much will William have to pay?

05/14/17

#### Need help with this

devins rectangular garden is 6 yards long and 4 yards wide. he plans to double the area of the garden by increasing each side by the same amount. find the number of meters by which each dimension...
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03/23/17

#### can you use units of measurement as variables?

If you are looking for length which is the same as the width, however you are given a height and total volume, how would you calculate it? While doing this, could you use the unit of measurement...
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02/19/17

#### How far away is Lori from the hiker? - Show Work

From the top of a 35 meter cliff, Lori spots a hiker at an angle of depression of 62 degrres. How far away is Lori from the hiker?

08/30/16

#### trigonometry question

A ladder leans against a wall with its foot 1.5 metres from the wall making for an angle of 45º36' with the ground. How long is the ladder?

06/05/16

#### What is the minimum kinetic energy..?

A diagram shows a moving 5.00-kilogram cart at the foot of a hill 10.0 meters high. What is the minimum kinetic energy needed for the cart to move from its current position to reach the top of the...
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03/17/16

#### What is the minimum speed required at the top of the track to ensure that the coaster does not leave the track?

1. A roller coaster has a mass of 500 kg and a radius of 9 m. What is the minimum speed required at the top of the track to ensure that the coaster does not leave the track?
a) 8.7 m/s
b) 9.5...
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03/17/16

#### More SPE, KE or GPE?

1. Compared to a marble released from a height of .5 m, a marble released from a height of 1 m has:
a) More SPE at the top of the fall
b) More KE at the top of the fall
c) More GPE at the top...
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03/16/16

#### Force and Acceleration

An engineer proposes a new roller coaster for daredevil teens and adults. Along with sizzling vertical loops and horizontal curves, her track would travel beneath a waterfall and into a dark tunnel...
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03/13/16

#### Physics Problems (2) : Work & Power

How much power is expended to raise a 300 kg roller coaster car to the top of a 35 m hill in 10 seconds?
How much potential energy does the roller coaster car have at the top of the...
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03/13/16

#### Physics Problems (2) : Work & Power

How much potential energy does 8 million kg of water have as it drops 50 m over Niagara Falls?
If a 8 million kg of water flows over Niagara Falls each second, calculate the power available at...
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03/13/16

#### Physics Problems (2) : Work & Power

A weightlifter lifts a 50 kg barbell 2.5 meters into the air. How much work does she do on a barbell? How much potential energy does the barbell have at the top?
If she lifts the barbell in 2...
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02/03/16

#### How far from the castle wall does the launched rock hit the ground?

King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, 12m above the moat. The rock is launched at a speed of 25m/s & an angle of 30° above...
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02/03/16

#### Who wins the race? By how much time?

Two children who are bored while waiting for their flight at the airport decide to race from other end of the 20m long moving sidewalk to the other & back. Philippe runs on the sidewalk at...
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01/26/16

#### how far does a bouncing ball travel if dropped from a window 16 meters above ground. on each bounce it rises 1/2 the distance of the previous bounce.

A rubber bouncing ball is dropped from a window 16 meters above a sidewalk. On each bounce, it rises half the distance of the previous bounce. The ball is caught when it bounces back up to only one...
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01/11/16

#### Passenger's Mass?

In a car crash, an airbag exerts -4000 N of force on a passenger moving at 10 m/s. The passenger comes to rest in 0.11 sec. What is the passenger's mass?
Show work please.

01/11/16

#### Average Force?

In a car crash, a 50 kg passenger moving at 15 m/s is stopped by an air bag in 0.10 sec. What is the average force the air bag exerts on the passenger?
Show work or explain concept using...
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12/17/15

#### Explain physics question and answer.

Ball A of mass 5 kilograms moving at 20 meters per second collides with ball B of unknown mass moving at 10 meters per second in the same direction.
A car traveling at 20 m/s has 1,000 J of...
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