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1. If an object has a mass of 1.0 Kg, what is it's weight on Jupiter with 2.5 times the gravitational force as on earth?
2. What net force is necessary to accelerate a 1000-Kg space probe 8m/s2?
3. How much heat that must be added to raise the temperature of a cup of coffee (250g) from 25.5ºC to 95.6ºC. Assume that the coffee has a specific heat of 4.187 ?
4. Which of the following reactions is not correctly balanced?a. 4Fe + 3O2 → 2Fe2O3b. C3H8 + 10O2 → 3CO2 + 4H2Oc. N2 + 3H2 → 2NH3d. 2H2O → 2H2 + O2
5. How long would it take for a radio wave to travel 8.00 x 1010 m?
6. A pH 2 solution has _____ times the concentration of hydroxide as a pH 6 solution.
The positively charged plate of a parallel-plate capacitor has a charge equal to Q. When the space between the plates is evacuated of air, What is the dielectric constant of the material
A block of mass 2.50 kg is pushed 3.00 m along a frictionless horizontal table by a constant 10.0 N force directed 25.0° below the horizontal. Determine the work done by the normal force exerted by the table
One has a capacitance of 2.0 µF and the other a capacitance of 4.0 µF. These two capacitors together store 4.50 10-5 C of charge. What is the voltage of the battery
A thin film of oil (n = 1.22) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film
A cube is floating in a lake. IT is observed that 0.4 m of the cube is underwater with the remaining 0.1 m above. The density of water is 1000 kg/m^3. what is the magnitude of the foce that is exerted
Flight to Mars. To send a satellite from Earth to Mars, a rocket must accelerate the satellite until it is in the correct elliptical orbit around the sun. Calculate the time for the satellite's journey
Often times during volcano eruptions the clouds have large static charge buildups that cause lightning to happen. What is the electric field at the ejected rock
An engine absorbs 1.72 kJ from a hot reservoir at 277°C and expels 1.24 kJ to a cold reservoir at 27°C in each cycle. how much work is done by the engine in each cycle
In an experiment designed to measure the strength of a uniform magnetic field produced by a set coils, What is the magnitude of the magnetic field
Your friend is catching a falling basketball after it has passed through the basket. Her hands move straight down while catching the ball. Determine the average force that her hands exert on the ball while catching it
superman m 90 kg jumps over a 51 m tall building by first accelerating from rest to his maximum velocity in 0.003 s.
A 1300 {rm kg} car rolling on a horizontal surface has speed v = 64 km/h when it strikes a horizontal coiled spring and is brought to rest in the distance of 2.80 m.
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