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Which picture shows an example of no work being done? A man and a woman hold a child in the air by the child's hands. A man pushes a shopping cart down the aisle of a grocery store. A child holds the bar

Tony Abboud asked Jul 24, 2023

by Tony Abboud

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1 answer

18 votes

83.6k views

A kid is on a stationary sled, onsnowy ground withus= 0.105.It takes 71.2 N of force to setthe sled moving. How muchnormal force is acting?(Unit = N)

Mwthreex asked Jul 24, 2023

by Mwthreex

5.9k points

1 answer

3 votes

4.8k views

If both the mass and velocity of a moving object are doubled, how will the objects momentum change

Benjamin Eckstein asked Jul 24, 2023

by Benjamin Eckstein

6.5k points

1 answer

23 votes

12.7k views

A 2.50 kg book is placed on a flat desk. suppose the coefficient of static friction between the book and the desk is 0.448 and the coefficient of kinetic friction is 0.373. how much force is needed to

Justromagod asked Jul 24, 2023

by Justromagod

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1 answer

2 votes

208k views

When a body moves in a simple harmonic motion, its acceleration at the ends of its path is:____. a. zero b. less than at equilibrium c. more than g d. maximum

GHP asked Jul 24, 2023

by GHP

6.3k points

1 answer

1 vote

128k views

What do waves transfer? Question 1 options: only matter energy only water only particles

Goodwinnk asked Jul 24, 2023

by Goodwinnk

6.3k points

1 answer

2 votes

230k views

ya'll please help!! The voltage of the battery is 8 volts. If the current must double but the light bulb is remaining the same, the battery must be replaced by one with ____ volts

Azhar Zafar asked Jul 24, 2023

by Azhar Zafar

6.0k points

1 answer

11 votes

151k views

A car with a mass of 1180 kilograms is being driven at 18.2 meters per second when it runs into a tree. What is the change in kinetic energy of the car? Include units in your answer. Answer must be in

Weeble asked Jul 24, 2023

by Weeble

6.6k points

1 answer

1 vote

23.6k views

4.A mass-less rod is attached to a wall via a pivot point, asshown to the right. A rope, set an angle of 30 degrees tothe wall, holds up the rod. The rope is attached 3r from thewall. Meanwhile, there

TimBrownlaw asked Jul 24, 2023

by TimBrownlaw

5.7k points

1 answer

4 votes

135k views

Newton's Second Law of Motion says that as an object's mass and acceleration increase, its___ will increase as well. a. Gravity b. Force C. Motion d. Energy

AlexWebLab asked Jul 24, 2023

by AlexWebLab

6.5k points

2 answers

23 votes

103k views

Lester plays middle linebacker for dices football team. During one play, he made the following movements. First, he back-pedaled in the southern direction for 2.6 meters

JamesGold asked Jul 24, 2023

by JamesGold

6.2k points

1 answer

24 votes

232k views

Examine the heating curve for water below. Answer each question andcomplete the table to review your understanding of heating curves

Derkyjadex asked Jul 24, 2023

by Derkyjadex

6.9k points

1 answer

5 votes

127k views

The gravitational force between two masses is 20N. what is the gravitational force if the distance between them is doubled?

Rahul Sagore asked Jul 24, 2023

by Rahul Sagore

6.8k points

1 answer

3 votes

3.7k views

Hey can someone please help me with any one of them and explain it

Winestone asked Jul 24, 2023

by Winestone

6.5k points

1 answer

5 votes

197k views

A supersonic jet, with a mass of 21,000 kg, departs from its home airbase with a velocity of 400 m/s due east. What is the jet’s momentum? Answer is - 21,000 x 400m/s = 84,00000 m/s

SirVer asked Jul 24, 2023

by SirVer

6.2k points

1 answer

7 votes

120k views

You find a piece of iron with a density of 10.4g/cm3. Which layer of the earth might it come from

Neutral Penguin asked Jul 24, 2023

by Neutral Penguin

6.2k points

1 answer

10 votes

127k views

Theshold frequency ???

Mike Fielden asked Jul 24, 2023

by Mike Fielden

6.5k points

1 answer

4 votes

170k views

A plane is approaching landing at 140km/sec. It decelerates at a rate of -14.82 km/sec². How much time would it take the plane to land and come to a complete stop?

Ashley Briscoe asked Jul 24, 2023

by Ashley Briscoe

6.5k points

1 answer

3 votes

159k views

Think of an animal that has a distinctive or unusual body shapes. Describe how its body shape helps its momentum and how momentum affects its survival.

Adegboyega asked Jul 24, 2023

by Adegboyega

6.3k points

1 answer

6 votes

85.0k views

Suppose you are holding a box in front of you and away from your body by squeezing the sides What is the force that is holding the box up, the force that is opposite the weight force?

HParker asked Jul 24, 2023

by HParker

6.9k points

1 answer

3 votes

82.8k views

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