Mt. Everest is more than 8000 m high. How fast would an object be moving if it could free fall to sea level after being released from an 8000 m elevation? (Ignore air resistance.)
a. 396 m/s
c. 1200 m/s
b. 120 m/s
d. 12,000 m/s
A
You might also like to view...
As the speed of a moving fluid increases, the pressure in the fluid
A) increases. B) remains constant. C) decreases. D) may increase or decrease, depending on the viscosity.
A rocket with a mass of 2.0 × 106 kg is designed to take off from the surface of the earth by burning fuel and ejecting it with an exhaust speed of 3500 m/s
What is the minimum rate at which the fuel should be consumed in order to attain liftoff? A) 5.6 × 103 kg/s B) 1.4 × 103 kg/s C) 1.8 × 103 kg/s D) 2.8 × 103 kg/s E) 18 × 103 kg/s
What is the force on the magnet that results from the motion shown in this figure?
a. Directly downward. b. Directly upward. c. Zero. d. The result is a torque twisting the magnet around its length. e. To the right.
If you add 900 kJ of heat to 900 g of water at 90.0°C, how much water is left in the container? The latent heat of vaporization of water is 22.6 × 105 J/kg
A) 518 g B) 258 g C) 340 g D) 600 g E) none