A 50-kg astronaut throws a 5 kg brick in outer space with a force of 50 N. What will be the speed of the brick and the speed of the astronaut if the force was applied over 2
seconds?

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Темирказык жулдызынын жулдыздык шамасы 2,02, ал веганын жулдыздык шамасы 0,03. осылардын кайсысы жарык жане неше есе жарык?

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.