Recent questions in Physics

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If a light ray strikes a flat mirror at an angle of 27° from the normal, the reflected ray will be63° from the normal.27° from the mirror’s surface.27° from the normal.90° from the mirror’s surface.

Wovano asked Jun 20, 2023

by Wovano

6.2k points

1 answer

2 votes

85.0k views

What does a animal and a plant cell have in common.

Zaklina asked Jun 20, 2023

by Zaklina

5.7k points

1 answer

3 votes

48.2k views

An organ pipe that is closed at one end has a length of 3 m. What is the second longest harmonic wavelength for sound waves in this pipe

NamshubWriter asked Jun 20, 2023

by NamshubWriter

5.3k points

1 answer

4 votes

58.6k views

What is the voltage of a circuit with power 12 W and current 2 A?

Muhammad Mehar asked Jun 20, 2023

by Muhammad Mehar

5.7k points

1 answer

13 votes

127k views

What is the meaning of Displacement and what is its difference from distance ?

Steve Danner asked Jun 20, 2023

by Steve Danner

6.5k points

1 answer

1 vote

32.8k views

How far apart are the slits to produce a 3rd order bright fringe at an angle of 3.52° if the light source has a wavelength of 2.58x107m?7.33x10 m1.26x105m4.20x106m2.20x107m

Owe asked Jun 20, 2023

by Owe

5.3k points

1 answer

2 votes

120k views

What percentage of synapses that we had a two will be pruned away by age 10? 1- 100% 2- 10% 3- 50% 4- 75%

Matt Waldron asked Jun 20, 2023

by Matt Waldron

5.7k points

1 answer

25 votes

18.3k views

A piece of warm concrete is placed in a cold-water tank, and energy flows between the concrete and the water. Which way does the energy flow in this system?

Abeyaz asked Jun 20, 2023

by Abeyaz

5.9k points

1 answer

18 votes

230k views

Physics like really need help please

Nisah asked Jun 20, 2023

by Nisah

5.6k points

1 answer

16 votes

222k views

A rally car accelerates from 100km/h to 150km/h in 5s what is its acceleration in km/h/s m/s^2

Alon Gouldman asked Jun 20, 2023

by Alon Gouldman

5.8k points

1 answer

4 votes

39.7k views

How long does 100m long train take a cross a bridge of length 4.9 km at a speed of 50m/s

Shoshin Nikita asked Jun 20, 2023

by Shoshin Nikita

5.8k points

1 answer

22 votes

166k views

What type of galaxy is pictured? (4 points) 1. Irregular 2. Spiral 3. Lens 4. Elliptical

Vijay Katam asked Jun 20, 2023

by Vijay Katam

5.6k points

1 answer

19 votes

160k views

When might it be harder to stop a vehicle moving at 30 km/h than one moving at 60 km/h?

Jean Robert asked Jun 20, 2023

by Jean Robert

5.7k points

1 answer

12 votes

76.0k views

a boat that can sail at 25m/s in still water heads west in a river with a current of 12m/s due north, how far will the boat travel in 1 minute

SteveSTL asked Jun 20, 2023

by SteveSTL

5.8k points

1 answer

0 votes

67.9k views

What effect does wind and water have on mountains?

Qalis asked Jun 20, 2023

by Qalis

5.3k points

1 answer

22 votes

231k views

Two carts mounted on an air track are moving toward one another. Cart 1 has a speed of 0.8 m/s and a mass of 0.43 kg. Cart 2 has a mass of 0.61 kg.(a) If the total momentum of the system is to be zero,

Jozo asked Jun 20, 2023

by Jozo

5.4k points

1 answer

3 votes

219k views

A small mailbag is released from a helicopter that is descending steadily at 2.82 m/s.(a) After 3.00 s, what is the speed of the mailbag?v = m/s(b) How far is it below the helicopter?d = m(c) What are

Noah Tran asked Jun 20, 2023

by Noah Tran

5.8k points

1 answer

2 votes

35.1k views

A launcher shoots a tennis ball straight up into the air. What initial velocity must the ball be given so that it rises to a height of 45 meters?

Nomadus asked Jun 20, 2023

by Nomadus

5.6k points

1 answer

0 votes

9.5k views

Due to the Doppler effect, when moving AWAY from the source of a sound, ______________.A. the sound should get louder.B. the sound should get more quiet.C. the pitch of the sound should get higher.D. the

Epoc asked Jun 20, 2023

by Epoc

5.7k points

1 answer

1 vote

72.8k views

A stomp rocket takes 2.8 seconds to reach its maximum height (g = -9.8 m/s?).Part A:What was the total time in the air?Part B:What was the final landing velocity?

Jodo asked Jun 20, 2023

by Jodo

5.9k points

1 answer

3 votes

81.5k views

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