Physics, 16.02.2021 04:20 sanchez9211
An 8 kilogram cannonball is loaded into a 1000 kilogram stationary cannon. When fired horizontally the velocity of the cannonball is 300 meters per second east. Determine the cannon’s recoil velocity.
Answers: 2
Physics, 21.06.2019 15:30
Which of the following statements are true of solids? a.the particles do not vibrate. b.the particles are in a fixed location. c.they have strong intermolecular forces between the atoms or molecules. d.the particles have less kinetic energy than those of liquids or gases.
Answers: 1
Physics, 22.06.2019 01:50
Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
Answers: 2
Physics, 22.06.2019 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Physics, 22.06.2019 15:40
If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
Answers: 1
An 8 kilogram cannonball is loaded into a 1000 kilogram stationary cannon. When fired horizontally t...
Chemistry, 27.10.2020 17:10
Mathematics, 27.10.2020 17:10
Business, 27.10.2020 17:10
Computers and Technology, 27.10.2020 17:10
History, 27.10.2020 17:10
Mathematics, 27.10.2020 17:10
Computers and Technology, 27.10.2020 17:10
History, 27.10.2020 17:10
Chemistry, 27.10.2020 17:10
Mathematics, 27.10.2020 17:10
Biology, 27.10.2020 17:10
Mathematics, 27.10.2020 17:10