Recent questions in Physics

Question

What is the definition of noise pollution? A. Any unwanted or unpleasant sound that can disturb or harm humans or animals. B. The level of sound pressure in a given environment. C. The intensity of a sound

Akshaykarthik asked Oct 17, 2024

by Akshaykarthik

7.6k points

1 answer

3 votes

216k views

What is the half-life time of a first-order reaction if the initial concentration of reactant is 0.01mol/L⁻¹ and the rate of the reaction is 0.00352mol/L⋅minute? A. 197.73minutes B. 98.87minutes C. 50.

Pcan asked Oct 17, 2024

by Pcan

7.3k points

1 answer

2 votes

28.1k views

A stationary 17.5 kg object is located on a table near the surface of the earth. The coefficient of static friction between the surfaces is 0.42 and the coefficient of kinetic friction is 0.27. 1. A horizontal

Rahul Mane asked Oct 17, 2024

by Rahul Mane

8.1k points

1 answer

4 votes

185k views

A 0.64-kg block sits on a lab table. There is a forward force of 1.98 N and a force backwards of 0.79 N. What is the acceleration of the block?

Charita asked Oct 17, 2024

by Charita

8.4k points

1 answer

0 votes

86.1k views

A two-stage rocket is launched vertically. After the bottom stage separates from the top stage and falls away, the top stage ignites its engines and continues to accelerate upwards. The top stage continues

Marurban asked Oct 17, 2024

by Marurban

7.8k points

1 answer

1 vote

209k views

What color are the coolest stars? White Yellow O. Orange Red

Hamix asked Oct 17, 2024

by Hamix

8.1k points

1 answer

1 vote

137k views

A juggler throws balls vertically upwards with the same initial velocity in the air. When the first ball reaches its highest position, he throws the next ball. Assuming the juggler throws n balls per second,

Bill Eisenhauer asked Oct 17, 2024

by Bill Eisenhauer

7.6k points

1 answer

1 vote

46.4k views

Why are ventilations for a room put near the roof and not near the floor

Jeremy L asked Oct 17, 2024

by Jeremy L

8.8k points

1 answer

5 votes

162k views

The units of magnetic dipole moment are: A) ampere B) ampere·meter C) ampere·meter^2 D) ampere/meter E) ampere/meter^2

JackNova asked Oct 17, 2024

by JackNova

9.3k points

1 answer

5 votes

146k views

T= V/1.1 +0.5 A cylindrical ceramic mug with a volume of V cups is filled with water and placed in a microwave oven of constant power. It takes approximately t minutes for the water to begin boiling as

Niuer asked Oct 17, 2024

by Niuer

7.8k points

1 answer

2 votes

60.8k views

How is solar energy easily renewed? a) By burning fossil fuels b) Through nuclear reactions c) By harnessing sunlight d) By drilling for oil

Gentiane asked Oct 17, 2024

by Gentiane

8.5k points

1 answer

5 votes

99.9k views

Answers may vary depending on the magnification of the high power objective lens. 10X x 40X = 400X total magnification. What is the total magnification when the high power objective lens is magnified by

Idrysdale asked Oct 17, 2024

by Idrysdale

8.7k points

1 answer

3 votes

58.2k views

The electric charge passing any cross section of a metallic wire is given as a function of time as Q=3.0e⁻ᵗsin(2t²+1) Coulomb Calculate the electric current flowing in the wire at t=0.1 second.

Marcela asked Oct 17, 2024

by Marcela

8.4k points

1 answer

3 votes

82.8k views

In a 100 m linear accelerator, an electron is accelerated to 1.60% of the speed of light in 36.0 m before it coasts for 64.0 m to a target. What's the electron's acceleration during the first 36.0 m?

Sjor asked Oct 17, 2024

by Sjor

8.0k points

1 answer

0 votes

233k views

What will be the acceleration, if a vehicle started from rest and its velocity reached 20 m/s after 5 second? Calculate. Ans: 4m/s (2)

Gmug asked Oct 17, 2024

by Gmug

8.1k points

2 answers

5 votes

43.1k views

In thermal equilibrium, the speed of particles is constant. true or false

Richard Dallaway asked Oct 17, 2024

by Richard Dallaway

8.2k points

1 answer

5 votes

128k views

Which statement accurately describes nuclear fission? a. fission is a process in which an unstable nucleus releases matter and energy. b. fission is a process in which a large nucleus is split into smaller

James Gu asked Oct 17, 2024

by James Gu

8.3k points

1 answer

4 votes

90.1k views

what is the mass of a truck if it produces a force of 14,000 Newtons while it's accelerating at a rate of 5 m/s squared?

Pwcremin asked Oct 17, 2024

by Pwcremin

8.7k points

1 answer

0 votes

173k views

Satellite is launched into space, but explodes after exiting the Earth’s atmosphere. Which statement accurately reflects the observations made by an astronaut on a spacewalk outside the International Space

Casanova asked Oct 17, 2024

by Casanova

7.8k points

1 answer

0 votes

88.7k views

State the effect of force when an athlete makes a high jump to clear the bar at a certain height. A) The force increases the athlete's speed. B) The force increases the athlete's mass. C) The force increases

Darius asked Oct 17, 2024

by Darius

7.9k points

1 answer

1 vote

97.3k views

Page:

« prev
1
...
911
912
913
914
915
916
917
...
1000
...
next »

Ask a Question

Recent questions in Physics

Other Questions