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serious [3.7K]
3 years ago
9

5. You head downstream on a river in an outboard.

Physics
1 answer:
Bezzdna [24]3 years ago
6 0

Answer:

hope this helps you're welcome

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Ahmed fills a basket with shopping weighing 10 kg. How much work is being done on the shopping basket when he lifts it verticall
NISA [10]

The work done by the shopping basket is 147 J.

<h3>When is work said to be done?</h3>

Work is said to be done whenever a force moves an object through a certain distance.

The amount of work done on the shopping basket can be calculated using the formula below.

Formula:

  • W = mgh

Where:

  • W = Amount of work done by the basket
  • m = mass of the shopping basket
  • h = height of the shopping basket
  • g = acceleration due to gravity.

Form the question,

Given:

  • m = 10 kg
  • h = 1.5 m
  • g = 9.8 m/s²

Substitute these values into equation 2

  • W = 10(1.5)(9.8)
  • W = 147 J.

Hence, The work done by the shopping basket is 147 J.

Learn more about work done here: brainly.com/question/18762601

6 0
2 years ago
A ball is thrown with an initial speed of 10. Meters per second. At what angle above the horizontal should the ball be thrown to
maria [59]

The initial speed doesn’t matter.  To reach the maximum height, you need to launch straight up ... 90 degrees above horizontal.

6 0
3 years ago
Read 2 more answers
Where does the energy of an earthquake originate?
expeople1 [14]
A. Movement of tectonic plates... When these plates move they create an earthquake
4 0
3 years ago
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A 30-kg object on Venus weighs 266.1 N. What is the value of gravity on Venus? A. 8.87 m/s2
Marat540 [252]
The weight force on an object in a gravitational field is given by F = mg where m is the mass in kg and g is the acceleration<span> due to gravity at that place. Rearranging: 
</span>g =  \frac{F}{m} =  \frac{266.1}{30} = 8.87 Nkg^&-1 or 8.87ms^&-2
Explanation:

Venus is only slightly smaller than Earth, in both mass and radius, so this answer makes sense, when compared with the value of 9.81 Nkg^&-1<span>at Earth's surface.</span>


4 0
3 years ago
How do you calculate time from launch to explosion in a firework
xenn [34]

Answer:

Explanation:

If a rocket (firework) is launched

with an initial velocity of 39.2 meters per second at a height of 1.6 meters above

the ground, the equation h = -4.9t2

+ 39.2t + 1.6 represents the rocket’s height h in

meters after t seconds. The rocket will explode at approximately the highest point.

Fire official require the fireworks to explode at a height greater than 76 feet in

order for debris to land in Lake Michigan and not on the festival sight. The event

planners assured the fire officials that the fireworks would reach a height greater

than 76 feet

8 0
3 years ago
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