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Our asteroid is in the shape of a sphere and has a mass of 500 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters.
Suppose a 20 kg ball moving at 5 m/s collides with a 100 kg ball moving at 3 m/s. How much kinetic energy was lost in the collision
Two space shuttles belonging to two different countries made an appointment in space. Calculate the initial speed of the two space shuttles at the time they were connected to each other
a 2 mev gamma-ray photon is incident on a detector undergoes two sequential compton scatterings and then escapes. if
At a rock concert, the engineer decides that the music isn't loud enough. He turns up the amplifiers so that the amplitude of the sound, How does the intensity level change
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +3.7 m/s. Find the ratio m1/m2 of the masses of the particles
Calculate the moment of inertia acting on a 2X4 stud (viewed as a thin rod) of approximately 2.25 m with a mass of 5.00 kg, rotated through the center of the beam
A pump is to lift 18.0 kg of water per minute through a heightof 3.60 m. What output rating (watts) should the pump motorhave
A block is given an initial velocity of 5 m/s up a frictionless 20 ° incline. How far up the incline does the block slide before coming (momentarily) to rest.
A projectile is fired at v0 = 420.0 m/s at an angle of theta = 73.2o with respect to the horizontal. Determine how far will the projectile travels in the horizontal direction
An electromagnetic plane wave at a certain location has an electric field pointed up which is given as a function of time as E = 54 V/m × sin (6x106 Hz × t). What is the Poynting vector at this location for this wave as a function of time
Your sofa won't fit through the door of your new sixth-floor apartment, so you use a 1.08kW motor to lift the 84.4kg sofa 15.6m from the street. How much time does the lift take
two narrow slits 0.328 mm apart are illuminated by light of wavelength 600. nm. the light falls on a screen 1.58 m
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