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A force, F=(Three x square N)i +(4N)j, with x in meters, acts on aparticle, changing only the kinetic energy of the particle.
a. how much work is done on the particle as it moves fromcoordinates (2m, 3m) to ( 3m, 0m) ?
b. Does the speed of the particle increase, decrease or ramain the same?
A black, totally absorbing piece of cardboard of area A= 1.5 cm2 intercepts lightwith an intensity of 2 W/m2from a camera strobe light. What radiation pressure is produced onthe card board
A 1.00kg black (m) us on a frictionless plane inclined at 20 degrees. The block is attached to a spring (k = 25N/m) that is fixed to a wall at the bottom of the incline. how far does it drop before coming to rest
A playground merry-go-round, made in the shape of a solid disk, hasa diameter of 2.50 m and a mass of 350.0 kg. Two children, each ofmass 30.0 kg, sit on opposite sides at the edge of the platform.Approximate the children as point masses.
q1. in an 8.00 km race one runner runs at a steady 11.0 kmh and another runs at 14.3 .kmhr.how far from the finish line
in an atwood machine one block has a mass of m1 560 g and the other has a mass of m2 460 g. the pulley which is
A silt of width a is illuminated bymonochromatic light of wavelength 650nm at normal incidence. Calculate the value of a , when the first minimum falls at an angle of diffracction 30 degree
An ideal polarizer with its transmission axis rotated 30.5 to the vertical is placed in a beam of unpolarized light of intensity 10 W/m ^2. After passing through the polarizer, what is the intensity of the beam
Explain how much work does the gravitational force do on the block as the block travels from point P to (a) point Q and (b) the top of the loop?
its nighttime and youve dropped your goggles into a swimming pool that is 4.0 m deep. if you hold a laser pointer 1.0 m
the highest recorded waterfall in the world is found at angel falls in venezuela. its longest single waterfall has a
A spacecraft is in orbit around a planet. The radius of the orbit is 2.9 times the radius of the planet (which is R = 71483 km). What is the period of the spacecraft's orbit
an unpolarized beam of light is incident on a pane of glass n 1.56 such that the reflected component coming off the
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