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A 75 kilogram astronauts is walking outside the space shuttle and pushes a 400 kilogram satellite away from the shuttle at 1.5m/s. Find the resulting speed of the astronaut back towards the shuttle?
A device used in radiation therapy for cancer contains 0.38 g of cobalt-60 (59.933 819 u). Determine the activity (in Bq) of the radioactive material
The press box at a baseball park is 40.0 above the ground. find the horizontal distance from the press box to second base
A curve of radius 53.8 m is banked so that a car of mass 2.5 Mg traveling with uniform speed 56 km/hr can round the curve without relying on friction to keep it from slipping on the surface
a single conservative force acts on a 5.00 kg particle. the equation fx 2x 4 n describes this force where x is in
An experimental rocket car starting from rest reaches speed of 560 km/h after a straight 400-m run on a level salt flat. Assuming that acceleration is constant, (a) what was time of the run and, (b) what is the magnitude of the acceleration?
A vertically hanging steel wire has the following properties. Length=8.75m, Cross-Sectional area= 0.375 cm cubed. Y=2.10x10^11 Pa, B=1.62x10^11 Pa, S= 0.871x10^11 Pa, Proportional Limit=3.27x10^8 Pa, breaking stress=17.4x10^8 Pa.
Delivery trucks that operate by making use of energy stored in a rotating flywheel have been used in Europe. What is the kinetic energy of the flywheel after charging
In diving to a depth of 750 m, a seal also moves 460 m due east of his starting point. What is the magnitude of the seal's displacement
Assume that if the shear stress in steel exceeds about 4.00 108 N/m2, the steel ruptures. (a) Determine the shearing force necessary to shear a steel bolt 1.20 cm in diameter. N (b) Determine the shearing force necessary to punch a 1.75-cm-diameter h..
If an object is moving with constant momentum ‹ 8, ?14, ?4 › kg · m/s, What is the net force acting on the object
A concave mirror has a focal length of 20 cm. A paraxial beam of light coming from a distant object forms its image at the focal point. compute where is the final image
An object is sliding on a horizontal surface. The coefficient of kinetic friction between the object and the surface is 0.250. how far will the object travel before it stops
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