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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.
A coin sits on a rotating turntable at a distance of 8 cm from the center of the table. When the turntable spins at 33 rmp, What is the centripetal acceleration of the coin
A 1.44 kg monkey wrench is pivoted at oneend and allowed to swing as a physical pendulum. The period of itsmotion is 0.860 s, and the pivot is0.290 m from the center of mass of the wrench.
An object is placed in front of a converging lens in such aposition that the lens (f = 13.6 cm) produces a real imagelocated 20.7 cm from the lens. What is the image distance of this new image
If the magnetic field through a loop of N=1000 is perpendicular to the loop, with an area of 5cm2, and increases from B=0 to B=5T in a time of 2sec, What is the induced emf in the loop
Two lightweight rods d = 30 cm are mounted perpendicular to an axle and at 180° to each other. What is the component of the total angular momentum along the axle
Supposing that the Earth's magnetic field at this location is 2.0*10^-5 T, due north, what will be the induced emf in the wire 2.0s after it is released (the wire is in free fall, you can calculate its velocity after 2.0s)
A hair dryer is rated at 1700 W when connected to a 120 V source. Find the resistance of the hair dryer as well as the current in the hair dryer when it is turned on
In order to manufacture these coffee tables, the company would need to incur $525,000 in fixed costs for new equipment. Calculate the break-even point of the coffee tables in units sold. Illustrate what would be the total revenue at the break-even po..
The speed of the fastest-pitched baseball was 45.0 m/s , and the ball's mass was 145g. How many joules of kinetic energy did this ball have
You have a 250-? resistor and a 0.400-H inductor. Suppose you take the resistor and inductor and make a series circuit with a voltage source that has a voltage amplitude of 28.0V, What is the voltage amplitude across the resistor
An object with mass m1 = 8 kg traveling with an x-velocity of V1x = 15/17 collides with an object with mass m2 = 12kg traveling with an x-velocity of V2x = - 15/13, Find the other object's x-velocity
A sinusoidal voltage having a maximum amplitude of 625 V is applied to the terminals of a 50 ohm resistor. Find the average power delivered to the resistor
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