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A .5Kg solid mass is totally submerged in water while suspended from a spring balance. The density o the material from which the mass is composed is 5 times the density of water. Density of water = 1X10^3 kg/m^3
Calculate the reading on the spring balance when the object is fully immersed.
An object of mass 1.9 kg starts from rest and slides down an inclined plane 80 cm long in 0.46 s
An aircraft weighing 865 N is accelerated at 7 m/s/s for 8 seconds, How much work was done on the aircraft
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from 0 to 5.80 m/s, What is the magnitude of the linear impulse experienced by a 74.0-kg passenger in the car during the time the car acceler..
A 3.9 kg block originally at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 18 N.
Suppose you have a thin, uniform rod with a total mass of 3.00 kg and a total length of 2.00 m. By what percent- age does the moment of inertia decrease if you rotate it about a point located 20% (0.40 m) from one end, instead of at that end?
Sheena can row a boat at 2.97 mi/h in still water. She needs to cross a river that is 1.24 mi wide with a current flowing at 1.67 mi/h. How long does it take her to cross the river
The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between mass 1 and teh ramp is 0.25. Evaluate the change in kinetic energy of the 50 kg block as it moves from a to b, a distance of 20 m
In order to view the craters of the Moon, you construct a refracting telescope from a lens with focal length 92.3 cm as its objective and a 14.3-cm focal length lens as its eyepiece
Calculate the rotational inertia of a meter stick, with mass 0.576 kg, about an axis perpendicular to the stick and located at the 29.9 cm mark
Stellar radial velocity variations as small as 1 m/s can be detected with current technology. what is the radius of the widest circular orbit on which jupiter could currently be detected orbiting the Sun
A baseball (m = 155 g) approaches a bat horizontally at the speed of 40.5 m/s (91 mi/h) and is hit straight back at a speed of 45.5 m/s (102 mi/h).
What is the integral from s to p of B dot dL, where an integral is taken along the dotted path shown, first from point P to point R at (x,y) = (0.707d, 0.707d), and then to point S at (x,y) = (0.6d, 0.6d).
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