Recent questions in Physics

Question

How is heat transferred in three different ways?

Tvs asked Oct 3, 2024

by Tvs

7.8k points

1 answer

4 votes

12.1k views

A vertical wheel with a diameter of 39 cm starts from rest and rotates with a constant angular acceleration of 7.2 rad/s2 around a fixed axis through its center counterclockwise. a) Through what angle

Fernand asked Oct 3, 2024

by Fernand

7.9k points

1 answer

1 vote

197k views

The unit of linear momentum is: a. Ns b. kg ms⁻² c. Ns⁻¹ d. Kg2ms⁻¹

Umar Asghar asked Oct 3, 2024

by Umar Asghar

7.9k points

1 answer

2 votes

124k views

When an electron is at the energy level with 0 J present in the atom, why does it have 0 J? a) Electrons cannot have zero energy. b) At that energy level, the electron is stationary and has no kinetic

Alex Gaudio asked Oct 3, 2024

by Alex Gaudio

8.0k points

1 answer

1 vote

116k views

light of wavelength illuminates a double slit, and interference fringes are observed on a screen behind the slits. when the wavelength is changed to , the fringes spread farther apart. how large is relative

Hari Menon asked Oct 3, 2024

by Hari Menon

7.9k points

1 answer

3 votes

144k views

Pick the answer that puts the satellites in order from closest to the earth's surface to farthest from the earth's surface. a) GEO, MEO, LEO b) LEO, MEO, GEO c) GEO, LEO, MEO d) LEO, GEO, MEO

Zuku asked Oct 3, 2024

by Zuku

8.3k points

1 answer

0 votes

104k views

Which of the following is NOT a characteristic of semiconductors? 1) They are better conductors than insulators. 2) They can be contaminated to improve their semiconductor properties. 3) They are abundantly

Hieu Nguyen asked Oct 3, 2024

by Hieu Nguyen

7.5k points

1 answer

4 votes

64.9k views

If a wave is moving at 300 m/s with a frequency of 55 Hz, find the wavelength

Abdullah asked Oct 3, 2024

by Abdullah

7.4k points

1 answer

5 votes

61.9k views

A glacier moves at an average speed of 25 cm/day. What is this speed in mi/hr? A) 0.00029 mi/hr B) 0.00049 mi/hr C) 0.00074 mi/hr D) 0.00103 mi/hr

Phillip Senn asked Oct 3, 2024

by Phillip Senn

7.7k points

1 answer

4 votes

113k views

The product of 2 x 10^4 cm and 4 x 10^-12 cm, expressed in scientific notation is _. a) 8 x 10^-8 cm² b) 6 x 10^-8 cm² c) 8 x 10^8 cm² d) 6 x 10^8 cm²

Gaurav Rami asked Oct 3, 2024

by Gaurav Rami

8.2k points

1 answer

2 votes

1.3k views

A sample of radioactive material has a decay constant of 0.05 s–1. Why is it wrong to presume that the sample will take just 20 seconds to fully decay? a) The decay constant is time-dependent. b) Radioactive

ForbesLindesay asked Oct 3, 2024

by ForbesLindesay

8.9k points

1 answer

2 votes

148k views

by measuring the rotation curves of galaxies beyond the milky way, astronomers have determined that dark matter exists in individual galaxies. because dark matter is a part of galaxies, astronomers need

Ray Bell asked Oct 3, 2024

by Ray Bell

7.9k points

1 answer

1 vote

112k views

The radius of sphere A is one half that of sphere B. How do the circumference and volume of sphere B compare to sphere A?

Serhii Maksymchuk asked Oct 3, 2024

by Serhii Maksymchuk

7.5k points

2 answers

3 votes

198k views

How does the magnitude of the maximum static friction force compare to the kinetic friction force on a crate? A) They are equal B) Maximum static friction is smaller C) Maximum static friction is larger

MStoner asked Oct 3, 2024

by MStoner

7.6k points

1 answer

1 vote

113k views

What is the magnitude of the displacement current through a circular loop centered on the cylinder axis with radius r≤a, at time t?

Doro asked Oct 3, 2024

by Doro

8.3k points

1 answer

2 votes

213k views

1.15 The speed of light in Crown glass is greater than its speed in

Upabove asked Oct 3, 2024

by Upabove

8.3k points

1 answer

1 vote

25.9k views

Though they move across the deepest ocean basins, seiches and tsunami are referred to as "shallow-water waves." How can this be? a) Due to their frequency b) Due to their long wavelengths c) Due to their

LuckyLuke asked Oct 3, 2024

by LuckyLuke

7.7k points

1 answer

4 votes

90.7k views

The drag force on a moving object depends on.........

Lesia asked Oct 3, 2024

by Lesia

7.5k points

1 answer

0 votes

46.2k views

With what minimum speed must athlete leave the ground in order to lift his center of mass 1.95 m and cross the bar with a speed of 0.60 m/s ? A) 1.10 m/s B) 3.00 m/s C) 4.50 m/s D) 6.00 m/s

Nirali Khoda asked Oct 3, 2024

by Nirali Khoda

7.5k points

1 answer

3 votes

47.4k views

Calculate the coulombs force between two protons 10cm apart from each other? Charge on proton is 1.69 × 10-19 C and K = 9.0 x 10⁹ N-m²/C²

Ben Hamilton asked Oct 3, 2024

by Ben Hamilton

8.4k points

1 answer

0 votes

93.5k views

Page:

« prev
1
...
981
982
983
984
985
986
987
...
1000
...
next »

Ask a Question

Recent questions in Physics

Other Questions