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Imagine you are sent in a satellite above Earth..
a) Obtain how far above the surface of the Earth would you lose 1/2 of your weight?
b) Find what would the velocity of the satellite be for the satellite to orbit around the earth?
c) Imagine you have taken a weighing machine with you. If you try to measure your weight using the machine, determine what will your weight be?
A gas bottle contains a mixture of Helium and Oxygen molecules O2 is diatomic. Calculate vrms for the Helium molecules
suppose you adjust your garden hose nozzle for a hard stream of water. you point the nozzle vertically upward at a
A town needs about 20 Megawatts of power and the transmission station is 10 kilometer away. Determine the power lost in the electrical lines if the voltage supplied to the town is 50,000 Volt
The surface pressure on Venus is 92.00 atm, and the acceleration due to gravity there is 0.894 g. What total inward force does the atmosphere exert on the vertical walls of the tank
What is the average translational kinetic energy of nitrogen molecules at 1400 K
Tarzan swings on a 31.0 m long vineinitially inclined at an angle of 37.0° with the vertical. What is his speed at the bottom of the swing if hestarts from rest
In the ammonia (NH3) molecule of Figure 9-39, three hydrogen (H) atoms form an equilateral triangle, with the center of the triangle at distance d = 9.40 ×10-11 m from each hydrogen atom. The nitrogen (N)atom is at the apex of a pyramid, with the t..
A 40.3-kg block of ice at 0 °C is sliding on a horizontal surface. The initial speed of the ice is 9.50 m/s and the final speed is 3.90 m/s. Suppose that the part of the block that melts has a very small mass and that all the heat generated with kine..
A steel beam is suspended completely under water by a cable that is attached to one end of the beam, so it hangs perpendicularly. Another identical beam is also suspended completely under water, but by a cable that is attached to the center of the be..
A propeller is modeled as five identical uniform rods extending radially from its axis. The length and mass of each rod are 0.859 m and 2.85 kg, respectively. When the propellor rotates at 567 rpm (revolutions per minute), what is its rotational kine..
A certain satellite travels in an approximately circular orbit of radius 9.1 × 106 m with a period of 8 h 39 min. Calculate the mass of its planet from this information.
You wish to buy a motor that will be used to lift a30-kg bundle of shingles from the ground to the roof of a house. Determine the minimum torque that the motor must be able to provide
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