Physics, 21.03.2020 11:56 ayoismeisalex
Consider two projectiles that can be shot upward by spring guns. Object A is made of solid aluminum and has a mass of 50 grams. Object B is made of cast iron and has a mass of 200 grams. For this problem, you may take the gravitational field strength to be g = 10 N/kg.
(a) Objects A and B are both shot straight upward at the same time. Mass A is shot with a speed of 2 m/s and mass B with a speed of 1 m/s.
Which one hits the ground first?
(b) Find an equation that expresses how high a ball rises, if it is shot straight up with a speed v0, it has a mass m, and the gravitational field strength is g. Solve h= in terms of g, m, and v0.
Answers: 3
Physics, 21.06.2019 20:00
The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.
Answers: 1
Physics, 22.06.2019 13:00
The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
Answers: 1
Physics, 22.06.2019 14:00
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
Physics, 22.06.2019 17:40
You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.
Answers: 1
Consider two projectiles that can be shot upward by spring guns. Object A is made of solid aluminum...
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Spanish, 14.07.2020 01:01
History, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01