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An astronaut and a satellite are at rest when the astronaut pushes off from the satellite with a velocity 4.5 m/s (relative to the satellite). If the mass of the astronaut is 60 kg and the mass of the satellite is 3.0 x 102 kg, what is the final speed of the satellite?
What are her acceleration magnitude and speed if she then moves to a distance of 2.3 m from the carousel center and the carousel keeps rotating with the same period
A bullet of mass 50 g is shot with speed 250 m/s at a wooden block of mass 350 g at rest as shown in the picture. The bullet sticks in the block. How much time does the block (with the bullet in it) need to stop after being shot
an aluminum wire having a cross-sectional area equal to 5.30 10-6 m2 carries a current of 7.00 a. the density of
a laser beam is incident at an angle of 28.2deg to the vertical onto a solution of corn syrup in water.a if the beam is
The valuable coefficient of kinetic friction
A beam of gamma rays from a distant galaxy is observed through two polarizing filters whose transmission axis is at a 45 degree angle relative to each other here on earth. What is the intensity of the output beam
A particle moves in a 15 cm radius circle cantered at the origin and completes 1.0 rev every 3.0 s. Find the speed of the particle. Find its angular speed ω.
An airplane flying at a speed of 700km/h at a height of 900m drops a relief pacakage. Assume that the horizontal velocity of the relief package at this instant is 700 km/h. What is the range of the relief package?
q1. a 78.0 kg person holds out his arms so that his hands are 1.70 m apart. typically a persons hand makes up about
A 280-m-wide river has a uniform flow speed of 1.4 m/s through a jungle and toward the east. How long will the boat take to cross the river and land in the clearing
a distant galaxy emits light that has a wavelength of 550.5 nm. on earth the wavelength of this light is measured to be
Explain how the electric potential energy of a particle can increase
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