32 Answered Questions for the topic Seconds

03/07/18

#### Convert each radian measure to degree. Write your answer to the nearest second.

1. 3.2
2. 3pi
3. 2pi/3
4. 6
5. -4.15

10/29/17

#### After how many seconds is their velocity 70 ft/s?

The velocity of a sky diver t seconds after jumping is given by v(t) = 80(1 − e−0.02t), measured in feetper second.

09/13/17

#### How much damage does Ana (Overwatch) do per second?

She has a fire rate of 1.2 rounds per second. She has 10 darts in her magazine and takes 1.5 seconds to reload. Her Biotic Rifle fires darts/syringes that when injected, do 60 damage over 0.9 seconds.
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04/03/17

#### Marine barber #1 can shave on head every 24 seconds. Marine barber #2 can shave on head every 18 seconds. Together, how many seconds will it take them to shave-

21 heads. Please help me!!

12/05/16

#### How long does he have until the ball reaches the ground?

Draco steals and throws Neville's red ball straight up at 78 feet per second from about 10 feet above the ground. The ball's height in feet above the ground after t seconds is given by...
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09/17/16

#### Could you show me the equation and solution in this time word problem? Thanks

How can I be able to derive the correct answer in this word problem:
One of the two watches gain 12 seconds in 18 days and the other loses 20 seconds in 30 days. If the watches were together at...
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#### Write an equation for the height of the penny at the time after it was dropped.

A penny was dropped from the window of a building, 64 feet above the ground. Write an equation for the height of the penny, h, at the time t seconds after it was dropped.

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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#### 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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#### 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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#### 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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Seconds

02/07/16

#### You Get 1 Point Every 3 Seconds, There Is A Total Of 2592000 Seconds. How Much Points Do You Earn?

How Much Points Do I Get in 2592000 Seconds

#### Answer question number nine please.

8.) A 1500-kg automobile, traveling at 5.0 m/s after braking, strikes a power pole and comes to a full stop in 0.1 s. Calculate the force exerted by the power pole and brakes required to stop the...
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#### 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.

#### 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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#### Explain Physics Please.

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.
After the collision, ball A moves at 10...
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#### What is the car's stopping distance if the speed is doubled?

A car traveling at 10 m/s hits the brakes and comes to a stop in 12 m. What is the car's stopping distance if the speed is doubled?

#### Express the height as a function of time

Suppose that after you are loaded into a Ferris wheel car, the wheel begins turning at 3 revolutions per second. The wheel has diameter 14 meters and the bottom seat of the wheel is 1 meter above...
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#### How far did the baseball player throw the ball?

A baseball player throws a baseball with a horizontal velocity of 100m/s west. The ball hits the ground 0.5 seconds later.How far did the baseball player throw the ball?
SHOW WORK PLEASE

#### With what vertical velocity does the ball land?

A baseball player throws a baseball with a horizontal velocity of 100m/s west. The ball hits the ground 0.5 seconds later.With what vertical velocity does the ball land?
SHOW WORK PLEASE

#### How long does it take the ball to reach the batter?

A baseball pitcher throws a ball at 42m/s. If the batter is 18m from the pitcher, approximately how long does it take the ball to reach the batter?
Multiple Choice:
A) 1.9 sec
B) 2.3 sec
C)...
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#### Help for the physics questions?

A baseball player throws a baseball with a horizontal velocity of 100m/s west. The ball hits the ground 0.5 seconds later.
1.) With what vertical velocity does the ball land?
2.) How tall...
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#### Help for the physics questions?

A baseball player throws a baseball with a horizontal velocity of 100m/s west. The ball hits the ground 0.5 seconds later.
A) With what vertical velocity does the ball land?
B) How tall is...
more

09/10/15

#### Riding your bike, you can accelerate at a rate of 1.5m/s^2. If you accelerate for 17 seconds, how much speed will you gain?

Riding your bike, you can accelerate at a rate of 1.5m/s^2. If you accelerate for 17 seconds, how much speed will you gain?
(s) = seconds
SHOW WORK (Average Speed or Acceleration)

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