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a 390-kg boy riding a 260-kg skateboard at a velocity of 570 ms across a level sidewalk jumps forward to leap over a
a child on ice skates with a mass of 35 kg and a velocity of 75 ms s undergoes a collision with a second child on ice
if the mass of a is 15 and the mass of b is 75 determine the acceleration of the system and the tension in the string
another bicycle also with 03m radius wheels is moving such that the angular speed of each wheel is 75 rads if the
how would you determine the center of gravity of a cube half made from wood and half from
an airplane flies eastward and always accelerates at a constant rate at one position along its path it has a velocity
a small coin initially at rest begins falling if the clock starts when the coin begins to fall what is the magnitude of
two solenoids a and b are wound using equal lengths of the same kind of wire the length of the axis of each solenoid is
a circular loop of wire with a radius of 40 cm is in a uniform magnetic field of magnitude 0060 t the plane of the loop
1 three people pull simultaneously on a stubborn donkey jack pulls directly ahead of the donkey with a force of 939 n
a hockey player uses her hockey stick to exert a force of 368 n on a stationary hockey puck which is resting on a
a 50 gram ball is thrown at a wall and bounces off its speed just before impact is 24 ms and its speed just after
a cube of mass m1 32 kg is sitting on top of another cube of the same size and mass m2 96 kg while they are both in
create a multimedia presentation using a presentation tool such as powerpoint or prezi for the topic science and
shown to the right is a truncated cone of length l cm traveling through a fluid at a speed of 880 ms the narrow end of
a person whose mass is m 560 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle
select any four questions of your choice and ensure that you answer all parts of the question each answer should be at
an overnight rainstorm has caused a major roadblock three massive rocks of mass m1 584 kg m2 815 kg and m3 355 kg
suppose a 685 kg gymnast climbs a rope what is the tension in the rope if she climbs at a constant speednwhat is the
froghopper insects have a typical mass of around 129 mg and can jump to a height of 443 cm the takeoff velocity is
how do we know that lysozyme is what is killing the bacteria how could we be sure that the bacteria are not just
what is a urinary tract infection uti and what are the causes who is more likely to get a uti - males or
this essay asks you to trace the historical origins and evolution of the two-party political system in the united
the half-life of a sample of potassium-40 40k is approximately 13 billion years potassium-40 decays into argon-40 40ar
what is the molar mass of a gas if 0281 g of the gas occupies a volume of 125 ml at a temperature 126 degc and a