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The earth orbits the sun in a nearly circular orbit of radius 1.49 x 1011 m.
(a) What is the acceleration of the earth?(Assume its speed is constant.)
(b) The earth's mass is 5.98 x 1024 kg. What force does it exert on the sun?
If the coefficient of kinetic friction between tires and dry pavement is 0.82, what is the shortest distance in which you can stop an automobile by locking the brakes when traveling at 26.6 m/s
While messing around with billiard balls, you roll the 8-ball into another ball of the same mass and initially at rest. After the collision, Find the original speed of the cue ball
A speedboat moving at 33.0 m/s approaches a no-wake buoy marker 100 m ahead. The pilot slows the boat with a constant acceleration of ?3.20 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b)What is the velocit..
A cylinder of brass has a diameter of 3mm and a length of 100mm. What is the stress in the cylinder
A block of mass 200g, sliding with a speed of 12 cm/sec on a smooth level surface, makes a head-on, elastic collision with a block of unknown mass, Determine the mass of the second block
The magnetic field 7.5 cm directly above the center of a 25-turn coil of radius 15cm is 0.80mT. obtain the current in the coil
Calculate the location of the center of mass of the Earth-Moon-Sun system during a full Moon. A full Moon occurs when the Earth, Moon, and Sun are lined up. make Use of a coordinate system in which the center of the sun is at x=0 and the Earth and..
A 4 kg hammer is accelerated at 4m/s^2 before striking a nail for 1.6 sec find the force of the hammer
One mole of a ideal gas initially at temp To=0C undergoes an expansion at a constant pressure of 1atm to four times it original volume
At t = 0, an automobile travelling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.70 m until, at t = 1.60s, it is travelling east. The car does not alter its speed all through the turn.
Determine the maximum speed that the car. A boy riding on the back of the truck throws a can of soda upward and catches the projectile at the similar location on the truck bed.
How much friction must be exerted between the skates and ice.
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