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Q. A woman who weighs 600 N at earth's surface stands on top of a very tall ladder so she is one earth radius above earth's surface. how much does she weigh?
Q. During a star war episode,the alpha station detected an approaching ship at a distance of 10^8km at speed of 270000000M and at the same time the alpha station released a missile at speed of 0.95c.A soon as the enemy spaceship detects the electromagnetic waves it releases the same kind of missile therefore moving at speed of 0.95c.determine the time the inhabitants of alpha station have quit after releasing their missile.
A total electric charge of 4.50 nC is distributed uniformly over the surface of a metal sphere with a radius of 22 cm. The potential is zero at a point at infinity. Find the value of the potential at 45 cm from the center of the sphere.
Describe Erikson, Levinson, cognitive developmental theorists, Kohlberg, behavioral theorists, Bronfenbrenner, Holland, the eclectic theory, and composite theory.
The weight of passengers on a roller coaster increases by 51 percent as the car goes through a dip with a 39 radius of curvature.What is the car's speed at the bottom of the dip.
What is first order diffraction angle of light
he driver finds that the car bounces up & down with maximum amplitude when he drives at a speed of 4.2 m/s (approx 9.4 mph). The car then stops & picks up three more 110 kg passengers. By how much does the car body sag on its suspension when these ..
Does an apple tree exert a gravitational force on the earth and if so, how large of a force? Consider and explain this question when the apple is attached to the tree, and when it is falling.
An important news announcement is trans- mitted by radio waves to people who are 122 km away, sitting next to their radios, and by sound waves to people sitting across the newsroom, 1.2 m from the newscaster. Take the speed of sound in air to be 345 ..
For a certain change, the value of ëU is -2.37 kJ. During the change, system absorbs 650 joules. How much work did the system do.
What is magnitude of the momentum
Two vectors A and B have the similar magnitude of 100 N (they represent forces of equal strength). What is the magnitude of the resultant vector of A and B if they are parallel and pointing in opposite directions.
Illustrates the difference between acceleration and velocity
How much force does a 150,000 N/C force exert on a deuteron.
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