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Bromine has two naturally occurring isotopes (Br-79 and Br-81). a. Use the periodic table to find the atomic mass of bromine. b. If the natural abundance of Br-79 is 50.69%, what is the natural abundance

Roblanf asked Jul 3, 2023

by Roblanf

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5 votes

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The height of an object tossed upward with an initial velocity of 152 feet per second is given by the formula h = −16t2 + 152t, where h is the height in feet and t is the time in seconds. Find the time

Eemeli Kantola asked Jul 3, 2023

by Eemeli Kantola

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0 votes

160k views

Please Help me to find the answer...

Sal Celli asked Jul 3, 2023

by Sal Celli

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1 answer

11 votes

192k views

understanding where earthquakes occur can help develop ways to lessen their effects because...please help dudes ;-;

Amani Ben Azzouz asked Jul 3, 2023

by Amani Ben Azzouz

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1 answer

2 votes

87.7k views

What happens to light waves from a star as the star moves toward Earth?A. They appear to shift toward red.B. They appear to shift toward blue.C. They appear to become mechanical waves.D. They appear to

Rune Vejen Petersen asked Jul 3, 2023

by Rune Vejen Petersen

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1 answer

3 votes

147k views

Curran is testing out a newly waxed hallway floor by sliding in his socks. He runs from one end of the hallway and starts sliding midway going all the way to the right. The forces acting on Curran as he

Amadeo asked Jul 3, 2023

by Amadeo

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1 answer

0 votes

137k views

(03.05 HC)The table below represents the data found by dragging solid brass weights across adesk with a spring scale. If the acceleration due to gravity is 9.81 m/s2, what masswould experience a frictional

Jim In Texas asked Jul 3, 2023

by Jim In Texas

5.6k points

2 answers

2 votes

96.1k views

A ball is launched from the ground with a horizontal speed of 30 m/s and a vertical speed of 30 m/s. When will the ball hit the ground again? OA. 4s B. 5 s OC. 6 s D. 3 s

Rayepps asked Jul 3, 2023

by Rayepps

6.8k points

1 answer

4 votes

59.3k views

Two remote control cars with masses of 1.13 kilograms and 1.94 kilograms travel toward each other at speeds of 8.50 meters per second and 3.79 meters per second, respectively. The cars collide head-on,

Stefanosn asked Jul 3, 2023

by Stefanosn

5.3k points

1 answer

3 votes

109k views

explain why water comes out more slowly from a tap on the first floor than from a tap on the ground floor

Zalmy asked Jul 3, 2023

by Zalmy

5.8k points

1 answer

5 votes

39.3k views

How do you do this problem. It’s very confusing

Antoine Pelletier asked Jul 3, 2023

by Antoine Pelletier

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1 answer

19 votes

39.1k views

What are the fastest spinning objects known in the universe? What keeps you in your seat during a loop-the-loop rollercoaster?

Dvilela asked Jul 3, 2023

by Dvilela

5.9k points

2 answers

5 votes

59.6k views

At the bottom of a frictionless ramp, a 2kg mass reaches a speed of 9 m/s, how high is the top of the ramp? * 1 point 18m 8.2m Cannot determine 4.1m

Kevin Secrist asked Jul 3, 2023

by Kevin Secrist

6.1k points

1 answer

2 votes

157k views

True or false Is it possible for an object to exert a force on another object without feeling a force in return?

Wiky asked Jul 3, 2023

by Wiky

6.2k points

1 answer

4 votes

154k views

which of the following is a true statement about friction? a. friction only occurs when objects are in contact with each other. b. friction only occurs when objects are not in contact with each other.

Deepak Kabbur asked Jul 3, 2023

by Deepak Kabbur

6.7k points

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4 votes

221k views

Formula to calculate the mass of displaced water

Danielassayag asked Jul 3, 2023

by Danielassayag

6.4k points

2 answers

3 votes

112k views

A container of rocks is brought back from the Moon's surface where the acceleration due to gravity is 1.62 meters per second^2. If the total mass of the container of rocks is 65.0 kilograms, what is its

Danny Navarro asked Jul 3, 2023

by Danny Navarro

6.2k points

1 answer

15 votes

5.7k views

Graphically determine the magnitude and direction of the resultant of the following three vector displacements: 1. 15 m, 30° north of east 2. 20 m, 37° north of east 3. 25 m, 45 north of east

Ian Gow asked Jul 3, 2023

by Ian Gow

6.6k points

1 answer

5 votes

2.2k views

If a balloon is heated, what happens to the pressure of the air inside the balloon if the volume remains constant?.

Yuri Malov asked Jul 3, 2023

by Yuri Malov

6.3k points

1 answer

12 votes

201k views

A block is released to slide down a frictionless incline of 15∘ and then it encounters a frictional surface with a coefficient of kinetic friction μk = 0.16 A)Choose the appropriate Conservation of Energy

Solidpixel asked Jul 3, 2023

by Solidpixel

5.8k points

1 answer

6 votes

1.3k views

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