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a hockey player accelerates a 012kg puck from rest to a speed of 8ms in 022s what constant force does the hockey player
a football punter accelerates a 090kg football from rest to a speed of 5ms in 015s what constant force does the punter
kelsey mass 33kg sitting on her wobbly chair catches her cat tiger mass 12kg leaping into her lap tiger moves
a sound wave has a frequency of 623 hz in air and a wavelength of 053 mwhat is the temperature of the air as- sume the
calculate the de broglie wavelength of a proton that is accelerated through a potential difference of 118 mev answer in
the resolving power of a microscope depends on the wavelength of the photon used to examine the object that is observed
an unstable particle with a mass equal to 334 10-27 kg is initially at rest the particle decays into two fragments
a mass is bouncing on the end of a spring with a period t when measured by a ground observer what would the period of
does elemental analysis of materials by edx method is dependent on phase solid liquid gas or state of chemical bonding
a pulley with moment of inertia i and radius r is connected to a mass m at rest on an incline of angle theta the mass
if the measured momentum of an electron is 3210-27 kg ms with an uncertainty of 4810-28 what is the minimum uncertainty
assume the electric field e in some region is uniform it is the same at all points specifically e has a magnitude of 5
if a car traveling at 60kmh will skid 20m when its brakes lock how far will it skid if it traveling at 120 kmh when its
a long string is moved up and down with simple harmonic motion with a frequency of 42 hz the string is 543 m long and
two massless bumper boats float with negligible friction in a pool and carry three children 1 in boat 1 and two in boat
a uniform rod mass m 300 kg length l 300 m is mounted to rotate freely about a horizontal axis that is perpendicular to
a 4000 microf capacitor is charged through a 25komega resistor using a 15 v power supply calculatea the potential
what will occur to the tau if a blm area is doubled what will happen to tau if the voltage charging the capacitor is
in a bi-lipid membrane without ion channels the capacitance per unit area is 1mf cm2nbspand the resistance is 1mwcm2
why does when a projectile is launched so that its point of launch is lower than its landing point the upward motion
suppose the space shuttle is in orbit 390nbspkmnbspfrom the earths surface and circles the earth about once every
you are playing catch with a friend in a moving train when you toss the ball in the direction the train is moving how
there are an enormous number of stars in the universe a digital camera aimed at the nighttime sky will have many stars
water ows through a 0300 in radius pipe at the rate of 0121 m3s the pressure in the pipe is atmospheric the pipe slants
a salvage ship is able to raise a container lled with unknown material from the ocean oor to the water surface but