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the train passes point a with a speed of 30 ms and begins to decrease its speed at a constant rate of at -025 ms2
a 20kg projectile if fired with initial velocity components vox 30 ms and voy 40 ms from a point on the earths surface
tarzan has foolishly gotten himself into another scrape with the animals and must be rescued once again by jane the 600
a very long solenoid of circular cross section with radius r 40 cm is centered on and has its length parallel to the z
a child and a sled with a combined mass of 50 kg slide down a frictionless slope if the sled starts fro rest and has a
two equally charged spheres of mass 10 g are placed 20 cm apart when released they begin to accelerate at 655ms2 what
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two capacitors one 120 microf and the other of unknown capacitance are connected in parallel across a battery of emf 90
a 0410-kg ball is dropped from rest at a point 430 m above the floor the ball rebounds straight upward to a height of
a 70 kg ball with the initial velocity of 7i5jms collides with a wall and rebounds with a velocity of -7i5jms what is
two equal positive charges q20microc are located on the x-axis one at03m and the other at -03m a third charge q40microc
cliff and will support the board at each end so that it is horizontal a 61 kg boulder is placed on a 200 m long board
an air mattress is 208 m long 0657 m wide and 126 cm deep if the air mattress itself has a mass of 0291 kg what is the
an evacuated spherical diving bell containing a camera is in the ocean at a depth of 115 m it has a flat transparent
suppose you pour water into a container until it reaches a depth of 446 cm next you carefully pour in a 159 cm
the four tires of an automobile are inflated to a gauge pressure of 204e5 pa each tire has an area of 00274 m2 in
rod of length 560 cm and mass 230 kg is suspended by two strings which are 400 cm long one at each end of the rod find
a 675 kg person sits on a 377 kg chair each leg of the chair makes contact with the floor in a circle that is 163 cm in
a box of sand initially at rest is to be pulled across a floor by means of a cable in which the tension cannot be
you run a speech perception experiment comparing apples n 50 and oranges n 50 apples are identified as apples 46
an 90 kg object is moving 5ms in the positive x direction has a one dimensional collisions with a 30 kg object moving
1 pushing on the pump of a soap dispenser compresses a small spring when the spring is compressed 045 rm cm its
a 26-kg cart is rolling along a frictionless horizontal track towards a 17-kg cart that is held initially at rest the
a rock is suspended by a light string when the rock is in air the tension in the string is 406 n when the rock is