Physics, 28.12.2019 23:31 journeyburks07
Aball rolls from point a to point b. the total energy of the ball at point a isn’t the same as the sum of its potential energy and kinetic energy at point b. which statement best explains this situation? it just goes downhill
a. the rolling ball doesn’t follow the law of conservation of energy.
b. some of the ball’s energy is transformed to thermal energy.
c. the rolling ball loses some of its energy because of gravity.
d. the ball absorbs some of its own potential energy.
Answers: 3
Physics, 22.06.2019 04:30
Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?
Answers: 1
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 06:40
Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm
Answers: 1
Aball rolls from point a to point b. the total energy of the ball at point a isn’t the same as the s...
English, 20.04.2021 06:40
Mathematics, 20.04.2021 06:40
History, 20.04.2021 06:40
English, 20.04.2021 06:40
Mathematics, 20.04.2021 06:40
Mathematics, 20.04.2021 06:40
History, 20.04.2021 06:40
Physics, 20.04.2021 06:40
Mathematics, 20.04.2021 06:40