Physics, 04.09.2021 14:00 tiffanibell71
A bullet of mass 50g moving with an initial velocity 100m/s strikes a wooden block and comes to rest after penetrating a distance 2 cm in it. calculate.
a) initial momentum of the bullet.
b). Final momentum of the bullet.
c). Retradation caused by the wooden block.
d). Resistive force exerted by the wooden block.
β
Answers: 2
Physics, 21.06.2019 12:40
Which of the following energy forms are invovled in a nuclear power plant ? heat ,sound , electrical , nuclear ,mechanical
Answers: 1
Physics, 22.06.2019 12:00
An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?
Answers: 2
Physics, 22.06.2019 14:30
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
Answers: 2
Physics, 22.06.2019 21:30
Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created
Answers: 3
A bullet of mass 50g moving with an initial velocity 100m/s strikes a wooden block and comes to rest...
Computers and Technology, 09.11.2020 17:00
Biology, 09.11.2020 17:00
History, 09.11.2020 17:00
English, 09.11.2020 17:00
Mathematics, 09.11.2020 17:00
Computers and Technology, 09.11.2020 17:00