(ix) A pin hole camera gives a sharp image because;
(a) The image is small
(b) The hole is sma...
Physics, 16.07.2021 14:00 angelicahouston8727
(ix) A pin hole camera gives a sharp image because;
(a) The image is small
(b) The hole is small
(c) The object is long away from the hole
(d) The screen is in a short distance from the hole
(e) The screen is extremely small
Answers: 3
Physics, 21.06.2019 19:30
Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning
Answers: 3
Physics, 22.06.2019 16:00
The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2
Answers: 1
Physics, 22.06.2019 20:30
Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3
Answers: 1
Physics, 23.06.2019 10:00
A12-g wad of sticky clay is hurled horizontally at a 100-g wooden block initially at rest on a horizontal surface. the clay sticks to the block. after impact, the block slides 7.5 m before coming to rest. if the coefficient of friction between the block and the surface is 0.65, what was the speed of the clay immediately before the impact?
Answers: 1
Mathematics, 14.01.2020 05:31
Chemistry, 14.01.2020 05:31
Mathematics, 14.01.2020 05:31
Mathematics, 14.01.2020 05:31
Mathematics, 14.01.2020 05:31
Mathematics, 14.01.2020 05:31
Mathematics, 14.01.2020 05:31
Mathematics, 14.01.2020 05:31
Social Studies, 14.01.2020 05:31
History, 14.01.2020 05:31
Biology, 14.01.2020 05:31
History, 14.01.2020 05:31
Chemistry, 14.01.2020 05:31