Physics, 07.03.2020 01:47 english7750
A person standing in the middle of a long straight road sees a truck with its headlights on approaching in the distance. The trucks headlights are 3 m apart. Assuming the headlights are point sources emitting yellow light of wavelength 600 nm and the diameter of the human pupil is 5 mm, approximately how far is the truck from the person when he can first resolve the two headlights as separate sources
Answers: 3
Physics, 22.06.2019 22:00
Aspaceship starting from a resting position accelerates at a constant rate of 9.8 meters per second per second. how far will the spaceship travel if its final speed is 1 percent the speed of light (300,000,000 m/s)? a. 3.1 Γ 106 m b. 2.94 Γ 108 m c. 7.8 Γ 1010 m d. 4.6 Γ 1013 m
Answers: 1
Physics, 23.06.2019 00:30
Which of the following are forms of phase changes a. freezing b. condensation c. heating d. exchanging
Answers: 2
Physics, 23.06.2019 02:10
The molecular mass of a gas is (select all that apply) a. independent of the type of gas b. the same number as the atomic (or molecular) mass, but measured in grams c. dependent on the temperature d. the mass of a mole of the gas
Answers: 1
Physics, 23.06.2019 07:30
Vi. on another planet, a spring with constant 4.7 n/m is set up and allowed to expand verticaly freely. 8.4kg mass is placed on the spring and the spring extends 5.28m. calculate the exected extension on earth.
Answers: 1
A person standing in the middle of a long straight road sees a truck with its headlights on approach...
Mathematics, 29.03.2020 04:47
Mathematics, 29.03.2020 04:47
Mathematics, 29.03.2020 04:47
Mathematics, 29.03.2020 04:47
Mathematics, 29.03.2020 04:47
Mathematics, 29.03.2020 04:48
SAT, 29.03.2020 04:48
Mathematics, 29.03.2020 04:48
Mathematics, 29.03.2020 04:48
Mathematics, 29.03.2020 04:48