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1. What will an object weigh on the moon's surface if it weighs 100 N on the Earth's surface?
2. Compute g(o) on the moon from values of the mass and radius of the moon found in Appendix C.
3. How many Earth radii must this similar object be from the surface of the Earth if it is to weigh the similar as it does on the surface of the moon?
A 4.00*102 g glass coffee cup is 20.0 C at roomtemperature. It is then plunged into hot dishwater at a temperatureof 80.0 C. If the temperature of the cup reaches that of thedishwater, how much heat does the cup absorb?
a blow-dryer and a vacuum cleaner each operate with a voltage of 120 v. the current rating of the blow-dryer is 10 a
An oil-filled capacitor has square parallel plates 26{\rm cm} on a side, separated by 0.47{\rm mm}. Find the dielectric constant of the oil
a go-cart track has about 380 racers per week and charges 35 to race. the owner estimates that there will be 20 more
A 2.3A current is flowing in a 25H inductor. A switch is opened, interrupting the current in 1.0ms. Find the induced emf in the inductor
A baseball (mass 0.14 kg, radius 3.7 cm) is spinning with an angular velocity of 45 rad/s. If the baseball has a linear speed of 38 m/s, what is the ratio of its rotational and translational kinetic energies?
a 20 kg cart that is to be rolled up a 5 meter long 2 meter high ramp. what would be its velocity when it reached the bottom
As a soap bubble (n = 1.33) evaporates and thins, thereflected colors gradually disappear. What is the last color seen
Pluto's moon Charon orbits Pluto every 6.4 days with a semimajor axis of 19,700 kilometers. Calculate the combined mass of Pluto and Charon
A 150 g aluminum cup contains 150 g of water and both are at 13 C. If you add 150 g of hot water at 90 C what is the final temperature at thermal equilibrium? How much hot water at 90 C needs to be added to achieve a final temperature of 44 C?
A 4-kg block lies on a horizontal table whose coefficient of friction is 0.3. A horizontal rope is redirected by a uniform solid disk (pulley) of mass 2 kg to a mass of 12-kg hanging off the table. What is the angular acceleration of the disk
The person's feet compared to a similar vessel in her head?
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