Find the relative speed between the spaceship and asteroid
A spaceship and an asteroid are moving in the same direction away from Earth with speeds of 0.83c and 0.39c, respectively. What is the relative speed between the spaceship and the asteroid?
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A 38.0-kg child swings in a swing supported by two chains, each 3.08 m long. The tension in each chain at the lowest point is 424 N. Find the child's speed at the lowest point.
Optimus Prime is flying straight up at 74 m/s when he accidentally drops his mega-ray blaster and it falls 67 m to the ground below A.) Calculate how LONG it takes for his mega-ray blaster to hit the ground.
Treating the astronauts as particles, calculate each of the following. The magnitude of the angular momentum of the system?
Before throwing a 1.49 kg discus, an ath- lete rotates it along a circular path of radius 1.18 m. The maximum speed of the discuss is 25.2 m/s. Determine the magnitude of its maximum radial acceleration.
61.0-Ω resistor is connected in parallel with a 122.0-Ω resistor. This parallel group is connected in series with a 18.0-Ω resistor. The total combination is connected across a 15.0-V battery. Find the current in the 122.0-&Omega
A parallel-plate capacitor is formed from two 1.0 {rm cm} times 1.0 {rm cm} electrodes spaced 3.0 {rm mm} apart. The electric field strength inside the capacitor is 1.0times10^{6};{rm{N/C}}. What is the charge (in {rm nC}) on positive electrode?
A piece of balsa wood with density 0.50g/cm^3 is released under water.What is the initial acceleration?? Repeat for a piece of maple with density 0.750 g/cm^3? Repeat for a ping-pong ball with an average density of 0.125 g/cm^3.
The spaceship moves past the Earth with a speed of 0.81c in a direction parallel to the floor of the ship. Find the angle the ladder makes with the floor, as seen by an observer on Earth. in °
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