subject

Physics, 15.06.2021 15:40 ninaaforever

What is concave lens???

ansver

Answers: 1

Show answers

Another question on Physics

question

Physics, 22.06.2019 03:40

Aprojectile is launched from ground level with an initial velocity of v 0 feet per second. neglecting air resistance, its height in feet t seconds after launch is given by s equals negative 16 t squared plus v 0 t. find the time(s) that the projectile will (a) reach a height of 192 ft and (b) return to the ground when v 0equals112 feet per second. (a) find the time(s) that the projectile will reach a height of 192 ft when v 0equals112 feet per second. select the correct choice below and, if necessary, fill in the answer box to complete your choice.

Answers: 1

question

Physics, 22.06.2019 05:00

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Answers: 1

question

Physics, 22.06.2019 05:50

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Answers: 2

question

Physics, 22.06.2019 06:00

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Answers: 1

You know the right answer?

What is concave lens??? ...

Questions

question

Social Studies, 22.07.2019 07:00

Leo worries all the time. he worries about his money, his children, and his dog. his muscles are always tense and sore, he has trouble sleeping, is of...

question

Social Studies, 22.07.2019 07:00

Sarah was found in new york city by her family. at first, sarah didn't remember who she was or who they were. when they all returned to their home in...

question

History, 22.07.2019 07:00

The issue of recounting florida ballots in the presidential election of 2000 was resolved by...

question

Mathematics, 22.07.2019 07:00

The sum of the squares of two positive integers is 193. the product of the two integers is 84. what is the sum of the two integers? your answer submi...

question

History, 22.07.2019 07:00

The wagner act of 1935 prevents u. s. employers from interfering when workers try to organize unions....

question

Social Studies, 22.07.2019 07:00

The disorder most closely related to self-harming behaviors such as cutting is...

question

History, 22.07.2019 07:00

The source of morphine is the opium poppy, known by its botanical name as papaver somniferum. what does this mean in english?...

question

History, 22.07.2019 07:00

The difference between the spanish empire and the portuguese empire was that...

question

History, 22.07.2019 07:00

What did the development of various languages in western europe demonstrate?...

question

History, 22.07.2019 07:00

What did the crew of the uss ward see near the entrance to pearl harbor?...

question

History, 22.07.2019 07:00

What did the us fear that saddam hussein would do after he invaded kuwait?...

question

History, 22.07.2019 07:00

On the island of maui, residents voted to ban the cultivation of genetically engineered crops, but courts ruled the ban invalid. what might have under...

question

Mathematics, 22.07.2019 07:00

Test the series for convergence or divergence. ∞ (−1)n (5n − 4) 3n + 4 n = 1 identify bn....

question

English, 22.07.2019 07:00

Urgent - : i have an assignment to write a 2 paragraph journal on one second after. i have two prompts and need a journal for each. prompt #1: exam...

question

Mathematics, 22.07.2019 07:00

Abuilding has a perimeter of 112 meters. its area is 735 square meters. what are the dimensions of the building?...

question

English, 22.07.2019 07:00

Read the excerpt from the time traveler’s guide to elizabethan england. a wide flat field is "finer” than rugged terrain for it can be tilled easily t...

question

English, 22.07.2019 07:00

Read the excerpt from the time traveler’s guide to elizabethan england. a wide flat field is "finer” than rugged terrain for it can be tilled easily t...

question

Biology, 22.07.2019 07:00

Land includes human activities such as agriculture and construction. the modification of the earth’s surface due to these activities is known as 1....

question

Mathematics, 22.07.2019 07:00

The graph shows the location of point p and point r. point r is on the y-axis and has the same y-coordinate as point p (n,3). point q is graphed at (...

question

Health, 22.07.2019 07:00

Which supplement can lead to a decline in performance and may be ineffective in raising hemoglobin concentration...

More questions: Physics Another questions