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A newly discovered planet has a mean radius of 7380 km. A vehicle on the planet\'s surface is moving in the same direction as the planet\'s rotation, and its speedometer reads 161 km/h. If the angular velocity of the vehicle about the planet\'s center is 1.53 times as large as the angular velocity of the planet, what is the period of the planet\'s rotation?
If the vehicle reverses direction, how fast must it travel (as measured by the speedometer) to have an angular velocity that is equal and opposite to the planet\'s?
Strictly speaking, as more and more skyscrapers are being built on surface of earth, does the day tend to become longer or shorter.
A particle moves along x axis according to equations x =2.00+3.00t-1.00t2, where x is in meters and t seconds. At t=3.00s, determine (a) the position of particle. (b) its velocity, and (c ) its acceleration.
Sit on a rotating chair. Slowly twist your body in one direction and after that rapidly twist it in the other. What is going to happen? Is angular momentum conserved and if not why.
Two 1.4 g spheres are charged equally and placed 2.4 cm apart. When released, obtain the magnitude of the charge on each sphere
How much force is needed to hold a 7.0 cm diameter hose delivering 440 L/min through a 0.73cm diameter nozzle.
A rechargeable battery that is completely drained of electrical energy can be completely charged by applying 6.0 mA of current for 1.0 h. how much energy is the battery capable of storing
What total impulse was imparted by these forces. Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.0 cm-3, and their speed is 702 km/s. Find the current density of these protons.
How many electrons must be removed from each of two 4.4-kg copper spheres to make the electric force of repulsion between them equal in magnitude to the gravitational attraction between them?
spring system is allowed to come to a static equilibrium. How much does spring stretch.
Define how Pascal's law addresses the pressure in a fluid at different heights (or depths) before addressing the question and would you apply it in this case
the magnetic field amplitude of an electromagnetic wave is 8.5E-7 T. Calculate the ampitude of the electric field if the wave is travelling in Air
A cart is moving horizontally along a straight line with constant speed of 30 m/s. At what speed(relative to the cart), and angle must the projectile be fired
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