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The small spherical planet called "Glob" has a mass of 6.06×1018 kg and a radius of 5.84×104 m. What was the initial speed of the rock as it left the astronaut's hand? (Glob has no atmosp
Over the course of a multi-stage 4080-km bicycle race, the front wheel of an athlete's bicycle makes 2.00 106 revolutions. How many revolutions would the wheel have made during the race
A gymnast is performing a floor routine. In a tumbling run she spins through the air, How much time does this maneuver take
Two capacitors, C1 = 6.00 µF and C2 = 14.0 µF, are connected in parallel and the resulting combination is connected to a 9.00 V battery. What is the equivalent capacitance of the combinat
Iodine does not have a permanent dipole and is therefore a non-polar molecule. Why Iodine does not have a permanent dipole a) electronegativities of two iodine atoms are identical b) two iodine ato
A ski tow operates on a slope of angle 15.3? of length 330m, Whats the power needed to operate the tow
Which of the following substances, when dissolved in water, uses ion-dipole forces as the principal type of intermolecular attraction with water molecules. A) CH4 B) CH3OH C) CO2 D) KCl E) C6H6
You have a cube with electic potential that varies with V=kx3. What is the total charge enclosed in the cube
Which of the following is not an application of colligative properties? A) reducing boiling points of pure liquids at increased altitude B) adding silver to mercury to lower the vapor pressure of me
While a person is walking, his arms swing through approximately a 45.0 degree angle in 0.420s, What is the acceleration of a 0.900 gram drop of blood in the fingertips at the bottom of the swing
A mass of 5.10 kg is suspended from a 1.27 m long string. Calculate the angle between the string and the vertical
Planet-X has a mass of 4.25×1024 kg and a radius of 6050 km. What is the Second Cosmic Speed i.e. the minimum speed required for a satellite in order to break free permanently from the planet
A rescue helicopter lifts a 84.2-kg person straight up by means of a cable. The person has an upward acceleration of 0.759 m/s2, What is the tension in the cable
The distance from the human eye lens system and the retina is typically 19.0 mm. What is the focal length of the eye lens system for a relaxed eye
A particular refracting telescope takes the moon and magnifies the image by a power of 250x with the observer having a relaxed eye, What are the focal lengths of the two lenses
A 500 kg polar bear of average density 950 kg/m3 is stranded on a melting chunk of ice in the ocean. What is the smallest volume of ice that will keep the bear entirely above water
Disk 1 has a radius of 5 cm and mass of 1 kg it spins at an angular velocity of 2 rad/s a second disk is dropped on top of disk 1. what was the mass of the second disk
Calculate the vapor pressure of water at 35 degrees Celsius given delta Hvap= 44.0 kJ/mol and the vapor pressure of water at 25 degrees Celsius is 23.8 torr
A car is moving with constant acceleration along a straight road. Determine how the velocity varies for positive acceleration if the car is initially moving to the right with a speed of 10.0 m/s
A 800 kg car is travelling forwards at + 25 m s?1 along a level road. What is the acceleration during skidding
Your friend's car is broken and you volunteer to push it to the nearest repair shop which is 2.0 km away. what is the normal force between the two bumpers
A glass fiber with a thermal expansion coefficient of 5x10^6 C^-1, an elastic modulus of 72 GPa, Calculate the maximum flaw size that this fiber can tolerate
A rod is 0.5100 m long at 25C. At 225C the rod is loaded with a stress of 2 76 MPa and its length is found to be 0.5358 m, calculate the coefficient of thermal expansion for this material
A boat takes 3.30 hours to travel 40.0 km down a river, then 5.00 hours to return. How fast is the river flowing
calculate the value of Keq at 298 K for each of the following reactions