Physics, 14.10.2019 01:30 itssergioa
Atwo-stage rocket moves in space at a constant velocity of +4890 m/s. the two stages are then separated by a small explosive charge placed between them. immediately after the explosion the velocity of the 1380-kg upper stage is +5660 m/s. what is the velocity (magnitude and direction) of the 2970-kg lower stage immediately after the explosion?
Answers: 3
Physics, 21.06.2019 16:30
A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.
Answers: 2
Physics, 21.06.2019 19:30
11. you want to calculate the displacement of an object thrown over a bridge. using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?
Answers: 1
Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
Answers: 1
Physics, 22.06.2019 11:30
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.
Answers: 1
Atwo-stage rocket moves in space at a constant velocity of +4890 m/s. the two stages are then separa...
English, 05.02.2021 21:00
Mathematics, 05.02.2021 21:00
Mathematics, 05.02.2021 21:00
History, 05.02.2021 21:00
History, 05.02.2021 21:00
Social Studies, 05.02.2021 21:00
English, 05.02.2021 21:00
Mathematics, 05.02.2021 21:00
Mathematics, 05.02.2021 21:00
Health, 05.02.2021 21:00
English, 05.02.2021 21:00
Mathematics, 05.02.2021 21:00
English, 05.02.2021 21:00