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At the right you see that a string (mass negligible) passes over a pulley. The puley has no friction. The 5 kg mass sits on the ground and a 1.5 kg mass hangs from the other side of the string. Please calculate the normal force of the floor on the bottom of the 5 kg mass.
Two skaters with masses of 66kg and 51kg , respectively, stand 7.5m apart, each holding one end of a piece of rope. how far does each skater travel
If the car is now at rest and the pendulum undergoes S.H.M. would its time be shorter of longer than that calculated in (b) explain your answer.
Consider the system described in the example with m1 = 0.51 kg and m2 = 0.40 kg. If F is sufficiently large, it is clear that the block will accelerate to the right. Find the range of F that allows the system to remain at rest
The air-track carts in the figure are sliding to the right at 1.0 m/s. The spring between them has a spring constant of 120 N/m and is compressed 4.5 cm. Compute the speed of the air track carts held by a string together.
A cowboy at a dude ranch fills a horse trough that is 1.5 m long, 60 cm wide and 40 cm deep. He uses a 2.0cmdiameter hose from which water emerges at 1.5m/s. How long does it take him to fill the trough.
A plastic bag is filled with hydrogen at atmospheric pressure and 20.0 oC. Assume that the mass of the bag is negligible, How large a volume of hydrogen (in m3) is required
A garden plot must have a central planting area of length 13 m and width 8 m. There is to be a sidewalk around its edge of width w. If the total area, planting area plus sidewalk area, is 150 m^2, what is the sidewalk width w in meters.
The spin cycles of a washing machine have two angular speeds, 431rev/min and 622rev/min . The internal diameter of the drum is 0.440m. Find the laundry's maximum tangential speed
A typical capacitor in an MP3 player has C = 5 ?F. If a charge ±37 ?C is placed on the plates, what is the voltage across the capacitor?
The bones of a saber-toothed tiger are found to have an activity per gram of carbon that is 14.70 of what would be found in a similar live animal. How old are these bones.
An arrow is placed 28.7 cm in front of a convex lens (f=15.0 cm). The convex lens is followed by a concave lens (f= 21.5 cm) 12.8 cm fro the convex lens. obtain the magnification of the image
A 56 kg astronaut floating at rest in space outside a space capsule throws his 0.50kg hammer such that it moves with the speed of 14.00 m/s relative to the capsule. What happens to the astronaut? What is the astronaut's speed.
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