Physics, 02.02.2020 21:49 malikthomas
The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by the expression v = (-5.15 multiplied by 107) t2 + (2.30 multiplied by 105) t, where v is in meters per second and t is in seconds. the acceleration of the bullet just as it leaves the barrel is zero.
(b) determine the length of time the bullet is accelerated.
(c) find the speed at which the bullet leaves the barrel.
(d) what is the length of the barrel?
Answers: 1
Physics, 21.06.2019 19:30
To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?
Answers: 3
Physics, 22.06.2019 22:00
Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false
Answers: 2
Physics, 23.06.2019 01:30
Acyclotron is used to produce a beam of high-energy deuterons that then collide with a target to produce radioactive isotopes for a medical procedure. deuterons are nuclei of deuterium, an isotope of hydrogen, consisting of one neutron and one proton, with total mass 3.34Γ10β27kg. the deuterons exit the cyclotron with a kinetic energy of 6.40 mev .a-what is the speed of the deuterons when they exit? b-if the magnetic field inside the cyclotron is 1.25 t, what is the diameter of the deuterons' largest orbit, just before they exit? c-if the beam current is 350 ΞΌa how many deuterons strike the target each second?
Answers: 3
Physics, 23.06.2019 04:50
Which is not true of alpha radiation? o a. it increases the number of protons. o b. it has a positive charge. o c. it causes transmutation. o d. it is heaviest of the three types
Answers: 1
The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by the ex...
Chemistry, 20.07.2019 05:30
Mathematics, 20.07.2019 05:30
History, 20.07.2019 05:30
Social Studies, 20.07.2019 05:30
Computers and Technology, 20.07.2019 05:30
Computers and Technology, 20.07.2019 05:30
Biology, 20.07.2019 05:30
Mathematics, 20.07.2019 05:30
History, 20.07.2019 05:30
Social Studies, 20.07.2019 05:30