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Mass of the earth is 5.97 x 1024 kilogram. The radius of its orbit around the Sun is 1.5 x 1011 meter. The orbiting period is 1 y (365.3days). Use only this information. Find the force (magnitude and direction) between the Sun and the Earth.
although the evidence is weak there has been concern in recent years over possible health effects from the magnetic
a certain freely falling object requires 1.95 s to travel the last 36.5 m before it hits the ground. from what height
a proton moving at a constant velocity of 106 ms enters a region of uniform magnetic field perpendicular to its
jupiters moon io is has an orbital radius of 421000 km around the planet jupiter mj 1.9 x 1027 kg. this means
Two wheels can rotate freely about fixed axles through their centers. The wheels have the same mass, but one has twice the radius of the other. Compare the magnitudes of the two forces
A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. What angle would the single rope make relative to the dashed line
A skateboarder, starting from rest, rolls down a 13.7-m ramp. When she arrives at the bottom of the ramp her speed is 6.28 m/s. (a) Determine the magnitude of her acceleration, assumed to be constant. (b) If the ramp is inclined at 33.3 ° with respec..
A spring with a constant 150 N/m is attached to a block with a mass 1.5 kg. What is the maximum displacement the mass will achieve
A basketball of mass 270 g and radius 17 cm rolls with an initial speed of 2.5 m/s. What distance along the ramp will the ball travel before it comes to a stop
Two hydrogen atoms, both initially in the ground state, undergo ahead-on collision. what is the minimum speed each atom can have before the collision
A javelin is thrown at an initial speed of 28.5 m/s at an initial height of 1.93 m above the ground, Find this maximum range
A glass camera with an index of 1.55 is to be coated with acryolite film (n ˜ 1.30) to decrease the reflection ofnormally incident green light (λo = 500nm). What thickness should be deposited on the lens
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