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In a 92 s interval, 562 hailstones strike a glasswindow of area 1.216 m² at an angle 64° to thewindow surface. Each hailstone has a mass of2 g and speed of 5.8 m/s.If the collisions are elastic, find the

Whitesiroi asked Jul 21, 2023

by Whitesiroi

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2 votes

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PLEASE HELP ME ALREADY!!! MAX POINTS RANDOM ANSWERS WILL BE REPORTED!!! Which of the following is NOT a valid reason that less energy is transferred at each level of the food chain? A. Energy is released

Korsbo asked Jul 21, 2023

by Korsbo

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3 votes

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The wire carrying 425 A to the motor of a commuter train feels an attractive force of 3.00 ✕ 10−3 N/m due to a parallel wire carrying 5.00 A to a headlight.(a) How far apart (in m) are the wires? m

Nikodaemus asked Jul 21, 2023

by Nikodaemus

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Fans do not cool the air that is blown at you. So why do people still use them?

Gospes asked Jul 21, 2023

by Gospes

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1 answer

1 vote

16.5k views

7/21/22, 7:37 AMProblem Set ThreeNotes: Use 9.8 m/s 2 for the acceleration due to gravity. Formust be expressed in m/sLaw calculations, mass must be expressed in kg and velocity.An automobile weighs 2000lb.

Piccolbo asked Jul 21, 2023

by Piccolbo

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1 vote

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Need help asap!!science foundations

LeY asked Jul 21, 2023

by LeY

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Which law of thermodynamics states that absolute zero cannot be reached? Also a hot cup of tea absorbs thermal energy from a cold room? True false

Jordan Medlock asked Jul 21, 2023

by Jordan Medlock

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1 vote

31.1k views

I need help with homework

SpaceBear asked Jul 21, 2023

by SpaceBear

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2 votes

102k views

I need help with this

ThaDon asked Jul 21, 2023

by ThaDon

7.0k points

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18 votes

87.2k views

A marble is shot horizontally from a tabletop with an initial speed of 2.5 m/s using a marble launcher. Thetable is 0.8 meters high.a) what is the vxo of the marble?b) what is the vyo of the marble?c)

Pranay Deep asked Jul 21, 2023

by Pranay Deep

6.7k points

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222k views

A pendulum with a period of 1.8 s on Earth is moved to another planet. On the new planet, its period is 2.5 s. What can you conclude about this new planet?

Andrey asked Jul 21, 2023

by Andrey

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2 answers

4 votes

63.7k views

A a a A single charge a produces a potential Vo = 1000 V at point o = 0 a +9 + a What is the potential at point o due to two identical charges as shown to the right? a a a O +9 A) 1000 V B) 1414 V C) 2000

Nick Parsons asked Jul 21, 2023

by Nick Parsons

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1 answer

3 votes

164k views

Question 10Not yetansweredA small rocket at lift-off has a change in velocity of 12 meters per second in 2 seconds. Use the formula given below to computethe rockets acceleration.Acceleration = Change

Ronnie Jespersen asked Jul 21, 2023

by Ronnie Jespersen

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4 votes

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True or false cells of humans and plants are same.

Prasanna Kumar H A asked Jul 21, 2023

by Prasanna Kumar H A

6.9k points

1 answer

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33.9k views

If a 10.0 W device pulls 2.0 A of current, what voltage exists across it?5.0×10^3 V5.0×10^2 V5.0×10^1 V5.0×10^0 V

Metsburg asked Jul 21, 2023

by Metsburg

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1 vote

163k views

A child boards a bus for summer camp. His mom is waiting next to the bus. The bus begins moving 3 m/s east with respect to the ground. The child is walking 0.5 m/s west towards the back of the bus with

Geryson asked Jul 21, 2023

by Geryson

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22.8k views

Vật rắn có trục quay  cố định đi qua O, chịu tác dụng của các lực F1  , F2  như hình 3.30. Biết F1 = 15N; F2 = Hình 3.28 20N;  = 150o ;  = 120o ; OA = 20 cm; OB = 10 cm. Tính mômen quay của lực F1.

Pholz asked Jul 21, 2023

by Pholz

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1 answer

12 votes

122k views

What is tbe change in gravitational potential energy of the apple if it falls the amount shown

Joachim asked Jul 21, 2023

by Joachim

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3 votes

89.4k views

A ball is fired by a cannon from the top of a cliff as shown in the figure below. Which of the paths would the cannon ball most closely follow?izOAOBOO***E--(A)-~(B) -(D)

Eddie Paz asked Jul 21, 2023

by Eddie Paz

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1 vote

166k views

Why was the discovery and explanation of the photoelectric effect so important in thehistory of physics? [The photoelectric effect provided a key piece of evidence that lightwas transmitted in discrete

Btrballin asked Jul 21, 2023

by Btrballin

5.6k points

1 answer

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174k views

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