What is the velocity of an object that has a mass of 2.5 kilogram and a momentum of 1,000 kg·m/sec?

Very light items remain on the surface of water because of surface currents. True or false

Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of height 1.93 m. The density of blood is 1.06 * 103 kg/m3.

Explain how the absorption of sound waves differs from the transmission of sound waves

How does a stars life begin?

What's the energy before a student jumps off a bridge

4. How far does a car travel in 90 seconds if it is traveling at a speed of 55 m/s?

Total energy input is 1400 and my efficiency is 80% so what is the useful energy output in jules?

What is the force of gravity acting on a 2000-kg spacecraft when it orbits two Earth radii from the Earth's center (that is a distance r=6380 km above the Earth's Surface. The mass of the Earth is 5.98 x 1024 kg.

An LC circuit has a 6.00 mH inductor. The current has its maximum value of 0.570 A at t = 0s. A short time later the capacitor reaches its maximum potential difference of 66.0 V. What is the value of the capacitance?

The first law of thermodynamics states that ΔE = Q - W. Is this also a statement of the principle of conservation of energy? Yes, the heat added and the change in internal energy of the gas equal the work done by the piston.