Answers: 3
Another question on Physics
Physics, 21.06.2019 21:40
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
Answers: 3
Physics, 22.06.2019 14:30
When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
Answers: 3
Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
You know the right answer?
A book on a shelf 2.0 meters above the floor has a mass of 1.5 kilograms. What is the gravitational...
Questions
Chemistry, 02.12.2020 22:40
Mathematics, 02.12.2020 22:40
Mathematics, 02.12.2020 22:40
Chemistry, 02.12.2020 22:40
Mathematics, 02.12.2020 22:40
Mathematics, 02.12.2020 22:40
English, 02.12.2020 22:40
Computers and Technology, 02.12.2020 22:40
