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a tennis player tosses a tennis ball straight up and then catches it after 165 s at the same height as the point of
a block is projected up a frictionless inclined plane with initial speed v0 144 ms the angle of incline is 458dega
a magnetic field is oriented at an angle of 43 to the normal of a rectangular area 62 by 59 if the magnetic flux
children in a tree house lift a small dog in a basket 480 up to their house if it takes 221 j of work to do this what
nichrome wire of cross-sectional radius 0754 mm is to be used in winding a heating coil if the coil must carry a
an object moves with constant acceleration 420 ms2 and over a time interval reaches a final velocity of 118 msa if its
a truck covers 400 m in 735 s while uniformly slowing down to a final velocity of 340 msa find the trucks original
you break a piece of styrofoam packing material and it releases lots of little spheres whose electric charge makes them
a metal strip 20 cm wide and 01 cm thick carries a current of 24 a in a uniform magnetic field of 24 t as shown below
a shell is shot with an initial velocity of 17 ms at an angle of 0 60deg with the horizontal at the top of the
the membrane that surrounds a certain type of living cell has a surface area of 535 10-9 m2 and a thickness of 990 10-9
a dentists drill starts from rest after 353 s of constant angular acceleration it turns at a rate of 266e4 revolutions
in the figure set v 0 at infinity and let the particles have charges q1 q -540times10-5 c and q2 -6q they are
a particle of mass m1 374kg is traveling in the positive x-direction with a velocity of 175ms a second particle of
a particle of mass m1 357kg is traveling in the x-direction at a speed of v1 236ms and collides with another particle
a 597kg block is traveling on a one-dimensional frictionless surface the block strikes a second block of mass 508kg
an airplane flies from boston to san francisco a distance of 5000 km in the morning then immediately returns to boston
in recent years a number of nearby stars have been found to possess planets suppose the orbital radius of such a planet
the region of the solar system between mars and jupiter contains many asteroids that orbit the sun consider an asteroid
you are an astronaut m 90 kg and travel to a planet that is the same mass and size as earth but it has a rotational
consider the swimmer in the figure below suppose that his swimming speed relative to the water is 57 ms current 26 ms
block one of mass 10kg is on a horizontal table there is friction between the block and the table the coefficient of
a car of mass 930 kg is traveling over the top of a hill as shown in the figure belowa if the hill has a radius of
a car moving at 80 kmhr is brought to a stop in 5 seconds how far did the car travel while
a cardiac defibrillator is a device used to shock the heart with electrical energy to bring the heart back to beating