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question you will soon learn about the magnetic field which exerts a force on the electron proportional to its speed if
question given that the density of nitrogen at one atmosphere of pressure and 0 c is 12506kgm-3 and that of oxygen at
question what is the order of magnitude of your height what meaning are you using for order of
question estimate the volume of your body1 without looking at a ruler or other measuring device draw a line 1cm long2 a
question notice that one of your answers will be a number density and the other will be a mass densitya a rectangular
question suppose there is a hole in the table and the ball falls through it what will be the balls gravitational
question suppose a chute was drilled through the block curving off to the side and arriving at the bottom right-hand
question a pitcher warms up by throwing a baseball to the catcher at 45 mph this means it has a kinetic energy of about
question a mass of 2kg travels at 4m s-1 towards a wall it hits the wall and bounces directly back now traveling at 2m
question when a paper airplane flies sometimes the airlift makes it possible for the plane to travel horizontally
question find the average accelerations that occurred while stopping the two objects in exampleexample if the baseball
question if the speedometer of your car reads 5mph more than it did 2 s earlier what was your average acceleration in
question after the skydiver opens her chute she falls at a steady speed of about 4m s-1 what is now the total force
question in the absence of air resistance a body falling near earth accelerates at g 98ms-2 if that is the case what
question why is it important that the person is on slippery ice why wouldnt momentum of the ball and person be
question suppose the person in example gave the ball an extra shove that sent it backwards at 2 m s-1 after the
question earlier you found the average force required to stop the 5kg bowling ball moving at 8m s-1 in 001s suppose the
question when many collisions occur at a steady rate one after the other it is useful to describe the average force
question the baseballs kinetic energy is 12 times 015kg times246ms-12 454j the kinetic energy of the bowling ball is
question a cubic foot of water has a mass of 624 pounds what is the ratio of the mass of a cubic foot of iron to the
question for example what is your density you know that when you are swimming you can float but only just barely
question example showed that earth subtends at the moon an angle of 00333 rad does this help you imagine what a full
question the us federal budget runs annual deficits of about 5times 1011 how high would a stack of 100 bills be if it
question write out all the figures in example numerically write down the relevant relations and confirm the statements
question what is the largest object for which you have some sense of its size estimate its volume what is earths volume