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Calculate the magnitude of the gravitational force between the earth and a 2.200-kg mass on the surface of the earth. The distance to the center of the earth from the surface is 6370 km and the mass of the earth is 5.98 1024 kg. Calculate the magnitude of the gravitational force between the moon and a 2.200-kg mass on the surface of the earth nearest to the moon. The distance to the center of the moon from the surface of the earth is 376,000 km and the mass of the moon is 7.36 1022 kg Calculate the ratio of the magnitude of the gravitational force between a 2.200-kg mass on the surface of the earth due to the sun to that due to the moon. The mass of the sun is 1.99 1030 kg and the distance from the center of the sun to the surface of the earth is 1.50 108 km.
Party stores sell small tanks containing 40 g of helium gas. If you use such a tank to fill 0.012 m^3 foil balloons, how many balloons can you expect to fill
An 86.1-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.55 rad/s. Find the angular velocity of the platform with its load
Compute the magnitude & direction of the current.
A bowling ball of mass 7.5 kg and radius 9.0cm rolls without slipping 10 m down a lane at 4.3m/s. calculate the angular velocity of the bowling ball.
a neodymium-glass laser emits short pulses of high-intensity electromagnetic waves. the electric field of such a wave
An oxygen molecule consists of two oxygen atoms whose total mass is 5.30x10-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway among them, is 1.90x10-46 kg m2.
The siren on an ambulance is emitting a sound whose frequency is 2650 Hz. The speed of sound is 343 m/s. find the wavelength and frequency of the sound you hear
a scuba diver releases a 2.21 cm -diameter spherical bubble of air from a depth of 13.2 m in a lake. assume the
What is the magnitude of the free-fall acceleration of a ball (mass m) due to the Earth's gravity at an altitude of 3R, where R is the radius of the Earth
A 4.0 kilogram particle starts from rest at x = 0 and moves under the influence of a single force Fx = 6 +4x - 3x2, Determine the work done by the force as the particle moves from x = 0 to x = 1.0 meter
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. The length of each rod is 0.80 m, Determine the current in the rods
A capacitor consisting of two parallel plates separated by 2.0 cm has a potential of 40 V on the top plate and a potential of 0 V on the bottom plate. The value of the electric field in the middle is what?
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