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Question: A cork shoots out of a champagne bottle at an angle of 35.0 degree above the horizontal.
Part A: If the cork travels a horizontal distance of 1.30m in 1.15s, what was its initial speed?
Rework your solution from the beginning and check each step carefully.
a uniform 30 kg ladder length 8.50 m leans against a smooth vertical wall. the base of the ladder is 12 ft from the
A box full of books rests on a wooden floor. The normal force the floor exerts on the box is 236 N. (a) You push horizontally on the box with a force of 129 N, but it refuses to budge.
A 4.67-kg ball of clay is thrown downward from a height of 2.77 m with a speed of 4.81 m/s onto a spring with k = 1450 N/m. Find the total work done on the clay during the spring's compression
The alarm at a fire station rings and a 79-kg fireman, starting from rest, slides down a pole to the floor below (a distance of 4.3 m). Just before landing, his speed is 1.2 m/s. What is the magnitude of the kinetic frictional force exerted on the fi..
Compute coefficient of kinetic friction
The planet Neptune is 4.17×1012 from the Earth. Its diameter is 5.02×107 m. What diameter telescope objective would be necessary to just barely see Neptune as a disk rather
A concave mirror produces a virtualimage that is three times as tall as the object. If the objectis 26 {\rm cm} in front of themirror, what is the image distance? What is the focal length of this mirror?
Suppose that you hear a clap of thunder 15.5 s after seeing the associated lightning stroke. How far are you from the lightning stroke
You drive due east at 82km/h for 53min. Then you follow a road going 60 kilometer south of east, going 89 km/h for another 32min. Find your total displacement
A parachutist of 60 kg descends at a constant speed of 4.4 m/s. What is the rate of increase of entropy of the parachute
A paperweight, when weighed in air, has a weight of W = 14.2 N. When completely immersed in water, however, it has a weight of Win water = 10.5 N. Find the volume of the paperweight.
A sinusoidal wave traveling in the –x direction (to the left) has amplitude of 20.0 cm, a wavelength of 35.0 cm and a frequency of 12.0 Hz. The transverse position of an element of the medium at t = 0, x = 0 is y =–3.00 cm and the element has a posit..
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