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After being hit, a baseball leaves the bat traveling at a speed of 25 m/s at an angle of 40°. What is the question?

Stefanf asked Dec 24, 2024

by Stefanf

7.5k points

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138k views

Visible light has a photon energy 4.407 x 10⁻¹⁹ j. Determine its wavelength, frequency, and color.

Robert Houghton asked Dec 24, 2024

by Robert Houghton

9.0k points

1 answer

4 votes

64.2k views

What is true about Newton's 2nd Law of Motion? A. force equals weight times acceleration 8 Help Resources B. objects in motion stay in motion C. force equals mass times acceleration Skip

Chris Sandvik asked Dec 24, 2024

by Chris Sandvik

8.2k points

1 answer

3 votes

43.5k views

Jamie finds the height of a classroom by dropping a penny from the ceiling. It takes 0.8 seconds to hit the ground. How tall are the ceilings?

Able Mac asked Dec 24, 2024

by Able Mac

7.9k points

1 answer

4 votes

179k views

The letter 'J' represent a. Wavelength b. Crest c. Trough d. Amplitude of the wave (3.2.1)

Pigeonhands asked Dec 24, 2024

by Pigeonhands

7.6k points

1 answer

5 votes

112k views

The formula for calculating standard deviation.

Anu Martin asked Dec 24, 2024

by Anu Martin

8.3k points

1 answer

5 votes

199k views

Would your sundial read the same time as another sundial 100 miles directly north? Would the shadows be the same length?

AutomatedOwl asked Dec 24, 2024

by AutomatedOwl

7.6k points

1 answer

0 votes

179k views

If power cannot go both ways at the same time through a wire, how do solar panels feed back to an electrical grid

Dc Redwing asked Dec 24, 2024

by Dc Redwing

8.8k points

1 answer

2 votes

145k views

A cycliest rides 15 kilometers east in one hour what is the average velocity of the cyclist

Brad Buchanan asked Dec 24, 2024

by Brad Buchanan

8.2k points

1 answer

5 votes

220k views

A skier has a mass of 65 kg and the slope is 35 degrees what is the skier's weight perpendicular to the slope?

BrownRecluse asked Dec 24, 2024

by BrownRecluse

8.1k points

1 answer

1 vote

228k views

What variable do the energy and speed of light equations have in common? A) Mass B) Time C) Frequency D) Distance

Vasiliy Kulakov asked Dec 24, 2024

by Vasiliy Kulakov

7.9k points

1 answer

0 votes

115k views

A skateboarder jumps horizontally off the top of a staircase and lands at the bottom. The staircase has a horizontal length of 12.0 m with a vertical drop of 2 m. We can ignore air resistance. What is

Jeverling asked Dec 24, 2024

by Jeverling

8.7k points

1 answer

0 votes

127k views

Celestial object A is composed of 92.1% hydrogen and 7.8% helium while celestial object B is made up of ice, frozen carbon dioxide, walking dust. What is celestial object B? A) Star B) Planet C) Comet

Lib asked Dec 24, 2024

by Lib

7.5k points

1 answer

1 vote

34.8k views

"If a blue filter is placed in between the yellow filter and the white screen, predict the light color that might be observed on the white screen. Explain your answer." a) Green b) Purple c) White d) Blue

Robert Van Der Spek asked Dec 24, 2024

by Robert Van Der Spek

7.1k points

1 answer

0 votes

123k views

What are some non renewable resources

Arnaud Bertrand asked Dec 24, 2024

by Arnaud Bertrand

8.0k points

2 answers

1 vote

24.9k views

Alloying__________ (usually with rhenium) gives it added mechanical strength to withstand the added stresses of high speed rotation and the effects of repetitive thermal expansion and contraction

Bvanvugt asked Dec 24, 2024

by Bvanvugt

8.6k points

1 answer

4 votes

50.4k views

when light from a mercury lamp ( = 546.1 nm) is incident on a particular metal surface, the stopping potential is 0.974 v. (a) What is the work function (in eV) for this metal? eV

Janny asked Dec 24, 2024

by Janny

7.3k points

2 answers

5 votes

14.9k views

Assertion (a): A ray passing through the center of curvature of a concave mirror, after reflection, is reflected back along the same path. Reason (r): The incident rays fall on the mirror along the normal

Mrwalker asked Dec 24, 2024

by Mrwalker

8.0k points

1 answer

2 votes

49.4k views

If the cross product of two vectors vanishes, what can you say about their directions? a) Parallel b) Perpendicular c) Opposite d) Cannot be determined

Jeremy Ferguson asked Dec 24, 2024

by Jeremy Ferguson

7.9k points

1 answer

1 vote

34.6k views

How does the length of a string affect the pitch of the sound it produces when plucked?

Gallaxhar asked Dec 24, 2024

by Gallaxhar

8.0k points

2 answers

5 votes

128k views

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