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A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 60.0 kg and he a mass of 76.0 kg , and they start from rest 15.0 m apart. A) Find his initial acceleration. B) Find her initial acceleration. C) If the astronauts' acceleration remained constant, how many days would they have to wait before reaching each other? (Careful! They both have acceleration toward each other.)
An object is solid throughout. When the object is completely submerged in ethyl alcohol, its apparent weight is 14.9 N. compute the volume of the object
A 0.058 kg arrow is fired horizontally. The bowstring exerts an average force of 65 N on the arrow over a distance of 0.90 m. With what speed does the arrow leave the bow
A wave has an angular frequency of 110 rad/s, Calculate the angular wave number and the speed of the wave
A racing bike travels 141 meter along a circular track of radius 15 meter. Find the angular displacement of the racing bike from its starting position
an electric vehicle starts from rest and accelerates at a rate of 2.5 ms2 in a straight line until it reaches a speed
A soccer ball is kicked with an initial horizontal velocity of 15.0 m/s and an initial vertical velocity of 14.0 m/s. What is the maximum height the ball goes above the ground
An airplane is flying with a velocity of 85.0 m/s at an angle of 25.0 degrees above the horizontal. When the plane is a distance 117 m straight above a dog that is standing on level ground, a suitcase drops out of luggage compartment. How far from..
the treasure map in the figure gives the following directions to the buried treasure start at the old oak tree walk due
Two light sources are utilized in a photoelectric experiment to decide the work function for a particular metal surface. When green light from a mercury lamp (λ = 546.1 nm) is utilized, a stopping potential of 0.930 V reduces the photocurrent to zero..
Given that apparent expansivity of a liquid is 0.00015x10(raised to power -3) per Kelvin and the linear expansivity of the container is 0.00012 x 10(raised to power -3) per Kelvin
A single force acts on a 2.0 kgparticle-like object in such a way that the position of the objectas a function of time is given by x = 3.0t -4.0t 2 + 1.0t 3
A child is riding a merry-go-round, which has an instantaneous angular speed of 1.25 rad/s and an angular acceleration of 0.745 rad/s2. What angle does the acceleration of the child make with the tangential direction
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