Recent questions and answers in Physics

Recent questions and answers in Physics

A satellite orbiting Earth at an orbital radius r has a velocity v. Which represents the velocity if the satellite is moved to an orbital radius of 5r?(1 point)

Abdo Salm answered Jan 4

2.9k points

1 answer

45 votes

778 views

Normal temperature of human body is 98.6F while its atmosphere temperature is 84.6F what will be temperature of dead body in such atmosphere A. 84.6F B. 98.6F C. 92.5F D. 185F

Azad answered Jan 4

by Azad

3.3k points

2 answers

6 votes

184k views

Determine the resistance, in milliOhms, of a metal rod 2.96 m long, 0.89cm diameter and composed of aluminum of resistivity 2.8 x 10-8 Ωm .

Daniel Adepoju answered Jan 4

by Daniel Adepoju

2.8k points

1 answer

42 votes

216k views

A diver shines a light up to the surface of a flat glass-bottomed boat at an angle of 37◦ relative to the normal. If the indices of refraction of air, water, and glass are 1.0, 1.33, and 1.4 respectively,

Mister Lucky answered Jan 4

by Mister Lucky

3.1k points

1 answer

21 votes

243k views

4. Sound waves and ultraviolet light waves both share the property of being able a. Move through empty space c. Carry energy b. Travel at 300,000 m/s d. Proprogate through rock

MegaCasper answered Jan 4

2.8k points

1 answer

14 votes

164k views

Calculate the kinetic energy of a roller coaster that has a mass of 1,778.6 kg and is traveling with a velocity to 24.5 m/s at the bottom of the first hill.

Vivek Parihar answered Jan 4

by Vivek Parihar

2.7k points

1 answer

16 votes

401k views

PLEASE HELP ME!!! predict the products of each of the following equations. Then explain how you made your predictions. Be sure to balance the equations. ___NaBr + ___Ca → _______ + _______ ___Mg + ___O2

Shadowfacts answered Jan 4

3.2k points

1 answer

0 votes

500k views

In which of the following processes does the Sun play little to no role inproviding energy?A. Plate tectonicsB. Ocean currentsC. SeasonsD. Trophic levels

Mbudnik answered Jan 4

2.8k points

1 answer

8 votes

450k views

Question 1: A skateboarder is traveling at 2 m/s when she reaches a downwardincline and accelerates at 3 m/s/s for 4 seconds. What speed is she traveling atthe end of those 4 seconds?O 14 m/s6 m/sI do

Ming Soon answered Jan 4

2.7k points

1 answer

39 votes

266k views

How much work is required to lift a 10 kg mass to a height of 1.5 meters? O 15 Joules O 147 Joules O 0 Joules O 73 Joules

Dmitry Pavliv answered Jan 4

by Dmitry Pavliv

2.9k points

1 answer

33 votes

83.6k views

What is force equal to? Answer 1:Mass plus acceleration Answer 2:Mass minus acceleration Answer 3:Mass multiplied by acceleration

Noobular answered Jan 4

2.7k points

1 answer

22 votes

38.0k views

A transformer has 500 volts applied to the primary side and 10,000 volts are measured on the secondary side. If 10mA is applied to the primary side. What is the anticipated current on the secondary side?

Xashru answered Jan 4

by Xashru

2.8k points

1 answer

16 votes

93.7k views

Against the park ranger's advice, a visitor at a national park throws a stone horizontally off the edge of a 83 m high cliff and it lands a distance of 93 m from the edge of the cliff, narrowly missing

Ytw answered Jan 4

by Ytw

2.8k points

1 answer

18 votes

345k views

What do these two have an common ? A slice of banana turning brown, A banana getting ripe on the counter

Mahesh Samudra answered Jan 4

by Mahesh Samudra

2.8k points

1 answer

23 votes

64.0k views

Plant and animal cells are both eukaryotic cells that share many organelles and cell structures in common. However, each have unique organelles that perform specific functions in each cell type. Examine

Christopher Markieta answered Jan 4

by Christopher Markieta

2.7k points

1 answer

25 votes

41.5k views

a car accelerates from 20m/s to30m/s in 10s. draw a velocity-time graph and calculate desplecement area.

Manuel Amstutz answered Jan 4

by Manuel Amstutz

2.5k points

1 answer

3 votes

118k views

A student is conducting an experiment todetermine what will happen to the gravitationforce of two boxes, with different masses, if theboxes are pushed together. One box has a-mass of 100 g and the other

Klikerko answered Jan 4

2.6k points

1 answer

7 votes

118k views

Please help! External work equal to 5.0 x 10-7 Jis needed to move a -8.0 nC charge at constant speed to a point at which the potential is -24 V. What is the potential at the initial point ?

Monkrus answered Jan 4

2.7k points

1 answer

32 votes

312k views

Viewers of Star Trek hear of an antimatter drive on the Starship Enterprise. One possibility for such a futuristic energy source is to store antimatter charged particles in a vacuum chamber, circulating

Ntd answered Jan 4

by Ntd

2.8k points

1 answer

6 votes

517k views

50PTS!!!! A golf ball is hit at a velocity of 42.0 m/s at an angle of 42.2° on Earth and on the Moon where the acceleration due to gravity is 1.62 m/s². How much higher will the maximum height be on the

Sergio Rinaudo answered Jan 4

by Sergio Rinaudo

2.8k points

1 answer

39 votes

401k views

To see more, click for all the questions in this category.

Search QAmmunity.org