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an 80-kg stuntman jumps from a window of a building situated 30 m about a catching net assuming that air resistance
initially there are 610 power 9 radioactive of element w decay constant 0173day in a sample as a nucleus of w decays it
a 300kg elevator is raised with a constant speed during a vertical distance of 100m in two minutes what is the useful
a 400g rubber ball is dropped a vertical distance of 12m it remains in contact by the pavement for 01 sec and rebounds
a child starts from rest at the top of a spiral water slide suppose the slide is frictionless and the top is 85m above
1 a rifle of 30 kg is fired the velocity of a 10-gbullet at the muzzle is 300 ms it takes 0005 s for the bullet to
a horizontal force of magnitude 35n pushes a block of mass 40 kg across a floor where the coefficient of kinetic
a 300 kg block starts from rest at the top of a 355deg incline and slides 200 m down the incline in 130s1 find the
a flat surface having an area of 34m2 is rotated in a uniform electric field of magnitude e 66 multiplied by
the nucleus of 8be which consists of four protons and four neutrons is very unstable and spontaneously breaks into two
an electric field of intensity 37knc is applied along the x-axis compute the electric flux during a rectangular plane
a skateboarder shoots off a ramp with a velocity of 71 ms directed at an angle of 56deg above the horizontal the end of
the entropy of hydration becomes more negative from na to mg2 to al3 though the coordination number is probably 6 in
an 870kg block slides with an initial speed of 166ms up a ramp inclined at an angle of 274 degrees to the horizontal
a laboratory stockroom has a stock solution of 90mv sulfuric acidh2so4aq if a technician dilutes 50ml of the stock
two stunt men are going to jump out of a stationary balloon 457 meters off the ground jumper a will jump first pulling
a horizontal vinyl record of radius 00786 m rotates freely about a vertical axis during its center with an angular
a cockroach of mass m lies on the rim of a uniform disk of mass 328m that can rotate freely about its center like a
a wind turbine is initially spinning at a constant angular speed as the winds strength gradually increases the turbine
a thin spherical shell of mass 0450kg and diameter 0150 m is filled with alcohol rho 806 kgmnbsp 3 it is then released
a hiker who weighs 642 n is strolling through the woods and crosses a small horizontal bridge the bridge is uniform
a 705-kilogram child starts from rest from the top of a frictionless slide that is 56 meters tall the bottom of the
a person is riding a bicycle and its wheels have an angular velocity of 158 rads then the brakes are applied and the
1 assume you are riding a stationary exercise bicycle and the electronic meter indicates that the wheel is rotating at
a rifle is aimed horizontally at a target 60 rm m away the bullet hits the target 20 rm cm below the aim pointpart1what