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You pull a 14 kilogram box across the floor with a strap that is at an angle of 34 degree above the horizontal. Compute the normal force and the tension in strap, given that the box moves with constant speed and that the coefficient of kinetic friction between the box and the floor is 0.36.
he-ne lasers are often used in physics demonstrations. they produce light of wavelength 633 nm and a power of 0.700 mw
In a very busy off-campus eatery one chef sends a 217-g broccoli-tomato-pickle-onion-mushroom pizza sliding down the counter from left to right at 1.67 m/s. At what speed does it move
Is the force attractive or repulsive?
We all sound like great singers in the shower, due to standing waves. Assume that your shower is 2.65 (about 8.72 ) tall and can be modeled as an organ pipe. What are the wavelengths of the first two overtones for this shower
A ring is fitted loosely (with no friction) around a long, smooth rod of length L = 0.561 m. The rod is fixed at one end, and the other end is spun in a horizontal circle at a constant angular velocity of ? = 3.57 rad/s. The ring has zero radial velo..
A 200 N object is supported by two ropes. Rope 1 makes an angle of 35 degrees with the horizontal, What is the amount of tension in each rope
Which of the following will create a magnetic field? An ion that is slowing down from 500 km/h to 400 km/h. neutron that is speeding up from 1000 m/s to 1200 m/s.
Only two horizontal forces act on a 4.5 kg body. One force is 5.8 N, acting due east, and the other is 2.7 N, acting 25° north of west. What is the magnitude of the body's acceleration
A 10 \rm g bullet traveling at 440m/s strikes a 12kg , 1.2-\rm m-wide door at the edge opposite the hinge. The bullet embeds itself in the door, What is the angular velocity of the door just after impact
Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 2.0 cm, determine the absolute pressure of the water in the pipe
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the mass of the star
when responding to sound the human eardrum vibrates about its equilibrium position. suppose an eardrum is vibrating
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