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Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 89 kg, and the mass of the woman is 63 kg. The woman pushes on the man with a force of 51 N due east. Determine the acceleration (magnitude and direction) of (a) the man and (b) the woman.
a person slides from rest down a smooth hemispherical hill. At what angle does this person leave the surface
Consider a visual binary star system with a period of 55.41 years. Its measured trigonometric parallax is 0.4217'' and, assuming that the plane of the orbit is in the plane of the sky, the true angular extent of the semi-major axis is 6.69''.
A 1.15 kg mass oscillates according to the equation x =0.650 cos7.40t, where x is in meters and t is in seconds.
A circular steel wire 2.00m long must stretch no more than0.25 cm when a tensile force of 400N is applied to each end of the wire. What minimum diameter is required for the wire
What is velocity of the boat relative to the shore
An engine of the orbital maneuvering system (OMS) on a space shuttle exerts a force of 2.64×104N j^ over a time interval of 4.50s, What is the impulse of the force for this time interval of 4.50 s
an electric field of 12.4 nc directed due north is superposed on an existing electric field of 16.5 nc directed due
the filament of a tungsten light bulb was red at time t1, orange ar time t2, and white at time t3. Estimate the temperature of the filament at eaxh time.
A bullet is fired through a board 9.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. Find the total time the bullet is in contact with the board
Over half of the world's population is infected with eukaryotic microorganisms: algae, fungi, protozoa, and helminths.
How much work did the movers do (horizontally) pushing a 150- crate 10.2 across a rough floor without acceleration, if an effective coefficient of friction was 0.50.
Two 20 microfarad capacitors are wired in parallel with each other in series with a single 5 ohm resistor. What is the maximum energy stored in the capacitor
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