What is the rocket maximum altitude
A 250 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 32 m/s2 for 34 s, then runs out of fuel. Ignore any air resistance effects.
What is the rocket's maximum altitude?
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A uniform disk with a mass of 150 kg and radius of 1.3 m rotates with an angular speed of 1000 rev/min. A constant tangential force is applied at a radial distance of 0.7 m. How much work must this force do to stop the wheel?
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A 250 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 32 m/s2 for 34 s, then runs out of fuel. Ignore any air resistance effects. What is the rocket's maximum altitude?
The resistance of the tungsten wire is 3.000 W at 20°C and increases to 4.850 W as the indium starts to melt. atungsten = 4.50 ´ 10-3 (°C)-1. What is the melting temperature of indium?
A 74.2 cm long straight section of wire is located entirely inside a uniform magnetic field of |B| = 0.230 T. The wire is perpendicular to the direction of the magnetic field. When a current runs through the wire a magnetic force of |F| = 0.870 N
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