Physics, 20.10.2020 01:01 lupitasalas9283
A cannon of mass 500 kg is loaded with a cannon ball of mass 1 kg. The cannon and ball are
both stationary when the ball is fired at a velocity of 50 m/s. The cannon recoils when the
gun is fired. What is the absolute value of the recoil velocity of the cannon?
Answers: 3
Physics, 22.06.2019 06:30
At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid
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Physics, 22.06.2019 16:30
Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?
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Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
Answers: 3
Physics, 23.06.2019 16:00
Energy conservation is the process by which one kind of energy changes into a another and when energy is converted this way it's not lost or used up. true or false
Answers: 1
A cannon of mass 500 kg is loaded with a cannon ball of mass 1 kg. The cannon and ball are
both sta...
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