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HELP PLZ [Kinetic and Potential Energy] An object has a kinetic energy of 18 J. If the object's speed is tripled, then its new kinetic energy will be J.

Mahmoud Ali asked Aug 1, 2023

by Mahmoud Ali

6.5k points

1 answer

9 votes

25.1k views

Tungsten is used to make the filament of electric bulbs. Give reason to justify the statement.

Systemmanic asked Aug 1, 2023

by Systemmanic

6.7k points

1 answer

20 votes

175k views

How do we know when v final is negative or 0 in projectile motion?

Klortho asked Aug 1, 2023

by Klortho

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1 answer

4 votes

181k views

If both masses are doubled, then the force of gravity between them is quadrupled. (True/False)

Bvaughn asked Aug 1, 2023

by Bvaughn

6.3k points

1 answer

10 votes

33.9k views

When the pressure above a liquid is reduced (like in a vacuum), the boiling point of the liquid is

Prancer asked Aug 1, 2023

by Prancer

6.6k points

1 answer

3 votes

88.2k views

What is the electric field between the plates of a capacitor that has a charge of 10.75 microC and voltage difference between the plates of 97.87 Volts if the plates are separated by 2.11 mm?

Jclancy asked Aug 1, 2023

by Jclancy

6.5k points

1 answer

4 votes

132k views

Mosses are located in which zone of deciduous forests? a. tree stratum b. ground c. shrub d. herb please select the best answer from the choices provided a b c d

Gro asked Aug 1, 2023

by Gro

6.6k points

2 answers

4 votes

37.1k views

For a machine to be a heat engine, what kind of conversion must it perform?

Mennan asked Aug 1, 2023

by Mennan

6.0k points

1 answer

3 votes

76.4k views

A boat travels 5 kilometers east, then 8 kilometers north, then 8 kilometers west.d. What vector would bring the boat back home?c. What distance has the boat traveled?b. What is the final position of the

Simon Kuang asked Aug 1, 2023

by Simon Kuang

6.6k points

1 answer

5 votes

39.6k views

[Honors] Two charged objects with an equal charge of Q separated by a distance r attract each other with a certain force. If the charges on both objects are doubled and the separation is halved, the force

Djolf asked Aug 1, 2023

by Djolf

6.8k points

1 answer

4 votes

100.0k views

Use the graph to determine the speed of the graph FAV

Leprechaun asked Aug 1, 2023

by Leprechaun

7.2k points

1 answer

1 vote

159k views

An aluminum rod and a nickel rodare both 5.00 m long at 20.0°C.The temperature of each is raisedto 70.0°C. What is the differencein length between the two rods?AluminumNickela = 23.10-6C+ B = 69.10-6 0-1a

Mburakkalkan asked Aug 1, 2023

by Mburakkalkan

6.3k points

1 answer

0 votes

145k views

Light in a vacuum travels at a constant speed of 3x108 m/s. If the Moon's average distance from the Earth is 38324203 km, how long would it take for a beam of light to travel from the Earth, to the Moon,

StevenWhite asked Aug 1, 2023

by StevenWhite

7.8k points

1 answer

3 votes

232k views

What's the most difficult rule in physics?

Madeye asked Aug 1, 2023

by Madeye

5.9k points

1 answer

3 votes

115k views

Rubbing your hands together warms them by converting work into thermal energy. If a woman rubs her hands back and forth, she generates 60 J/kg worth of heat. What is the temperature increase? The mass

Youssof asked Aug 1, 2023

by Youssof

6.3k points

1 answer

22 votes

118k views

Two objects with massesof 1.0 kg and 2.0 kg are 1.0 m apart. What is the magnitude of the gravitational force between these masses?

Srivastava asked Aug 1, 2023

by Srivastava

6.5k points

1 answer

1 vote

198k views

Oh no! You did not stop in time as you were trying to brake to avoid getting in an accident. If your velocity changed from 29 m/s to 15 m/s all within 2.3 seconds, what is the acceleration you hit the

Alexey Korsun asked Aug 1, 2023

by Alexey Korsun

6.2k points

1 answer

0 votes

231k views

1) Calculated initial speed?Show calculations for the initial speed of the projectile.y= (1/2) g t2 solve this for t. t=?x= Vo t solve this for Vo Insert t in Vo to find its value. Vo =?

Titanae asked Jul 28, 2023

by Titanae

7.0k points

1 answer

5 votes

186k views

A siren emits a sound at 1700 Hz. Assume the air temperature is 30oC. What frequency would a stationary observer hear if the car with the siren is travelling at:A. 25 m/s towards the observerB. 25 m/s

Viswesn asked Jul 28, 2023

by Viswesn

6.8k points

1 answer

4 votes

72.5k views

A police officer on a mountain bike is cruising at a speed of 3.50m/s, when he sees a wanted criminal, standing on a corner, 75m ahead of him. If the police officer accelerates at a rate of 2.00m/s^2,

Til asked Jul 28, 2023

by Til

6.1k points

2 answers

4 votes

119k views

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