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A Federation starship ( 2.10×106 kg) uses its tractor beam to pull a shuttlecraft ( 1.80×104 kg) aboard from a distance of 18.0 km away. The tractor beam exerts a constant force of 4.0 t
what is the mass, in kilograms, of Avogadro's number of olympic shot put balls if each one has a mass of 16lb? How does this compare with the mass of Earth, 5.98x10^25 kg?
If desalinated water costs 2350 per acre-foot, how much does desalinated water cost per liter? How much would it cost one household per day if it were the only source of water?
In a car lift the output plunger has a radius of 9.0cm. the weight of the plunger and car is 21,000N. What is the gauge pressure of the hydraulic oil used to operate the lift?
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you find in part (a). What should be the maximum speed of the car so it can round the
Why is it important for international managers to consider the impact of their decisions on regional cultures and organizational cultures?
A robot probe drops a camera off the rim of a 239m high cliff on Mars, where the free fall acceleration is -3.7m/s^2. a1. Find the velocity with which the camera hits the ground.
A fuel gas containing 22% CO, 13% CO and 65% N2 by volume is combusted with theoretic amount of air in a furnance to heat solid burden material.
An inattentive driver is traveling 20.0 m/s when he notices a red light ahead. His car is capable of decelerating at a rate of 4.00 m/s^2. If it takes him 0.250 s to get the brakes on and he is 30.0
A spring with spring constant k hangs from the ceiling. A mass ball is attached to the spring and allowed to come to rest. It is then pulled down y and released. What is the time constant if the bal
Draw the lewis structure of ClO3- by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.
A 31 kg gun is standing on a frictionless surface. The gun ?res a 55.9 g bullet with a muzzle velocity of 301 m/s. The positive direction is that of the bullet. Calculate the kenetic energy of the
Two brothers push on a box from opposite directions. If one brother pushes with a force of 86 N and the other brother pushes with a force of 67 N, what is the magnitude of the net force on the box?
Starting from rest, a 91-kg firefighter slides down a fire pole. The average frictional force exerted on him by the pole has a magnitude of 815 N, and his speed at the bottom of the pole is 3.7 m/s.
Our quality control department is being moved to a different location. Determine the kernel density of each brand and relate it to water content.
What is the tension in the string once the box begins to move?
Consider the light from the object that reflects first from the plane mirror and then from the concave mirror. Find the location of the image that this light produces in the concave mirror. Specify
Pilots can be tested for stresses of flying high speed jets in a whirling "human centrifuge," which takes 1.0 minute to turn through 20 complete revolutions before reacting its final speed a) what w
At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 287 N/C. At a distance r2 from the charge, the field has a magnitude of 128 N/C. Find the ratio of
A sealed-end water manometer attached to an air duct reads 1598 cm. An open-end water manometer attached to the same duct reads 556.2 cm. What is the absolute pressure in the duct (atm)?
A chemist wanting to determine the molecular formula of pseudolaric acid A burned 1 g of the compound in an elemental analyzer. The products of the combustion were 2.492 g of CO2 and 0.6495 g of H2O
A golf ball is struck off a tee (negligible height and air resistance) with initial velocity of 50 meters per second at an angle of 30 degrees above the horizontal. What will be the vertical compon
The coefficient of static friction between the table and the block is 0.460 and the coefficient of kinetic friction between the table and the block is 0.320. Sand is gradually added to the bucket un
A charge q1 is inside a spherical surface ( although not necessarily at the exact center of the sphere). A second charge q2 sits just outside the surface. Choose whether the following statements are
While in Europe, if you drive 103km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 34.0mi/gal ? Assume that 1euro=1.26 dol