Physics, 19.05.2021 22:10 anonymous1813
The bob (weight) at the end of a pendulum has a mass of 0.3 kilograms. The bob is pulled to position B and allowed to swing. It goes all the way to position C and swings
back.
joules. If the maximum height of the bob is 0.45 meters when it swings back,
joules of energy was
The potential energy of the bob at position B is
transformed to thermal energy.
Use g = 9.8 m/s2 and PE = mxgxn.
Answers: 1
Physics, 22.06.2019 21:00
Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine
Answers: 2
Physics, 22.06.2019 22:00
Which best term to describe a chemical reaction that absorbs energy from its surroundings? a.thermal conductor b.thermal insulator c.endothermic d.exothermic
Answers: 1
Physics, 23.06.2019 00:50
Aplayer uses a hockey stick to push a puck at a constant velocity across the ice. the weight of the puck is 170 n. the coefficient of friction is 0.0600. with what force must the player push the puck so that his force just equals the frictional force? 28.3 n 0.999 n 0.102 n 0.0104 n
Answers: 1
Physics, 23.06.2019 02:00
2) why do satelites not fall while revolving around the earth?
Answers: 1
The bob (weight) at the end of a pendulum has a mass of 0.3 kilograms. The bob is pulled to position...
Mathematics, 09.07.2019 18:00
Mathematics, 09.07.2019 18:00
Mathematics, 09.07.2019 18:00
Mathematics, 09.07.2019 18:00
Mathematics, 09.07.2019 18:00
English, 09.07.2019 18:00
Social Studies, 09.07.2019 18:00
Mathematics, 09.07.2019 18:00
Mathematics, 09.07.2019 18:00
Mathematics, 09.07.2019 18:00