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a) Robert throws his mother's crystal vase vertically upwards with an initial velocity of 26.2m/s. Determine the height to which the vase will rise above its initial height.
b) With what speed in miles/hr (1m/s = 2.23mi/hr) must an object be thrown to reach a height of 91.5m (equivalent to one football field)? Assume negligible air resistance.
What is the angular magnification when this lens forms a (virtual) image at -infinity. (I've done this one. The answer is 2.27. But I can't figure out how to do the others.)
What is the magnitude of the electric field E? on the z axis as a function of z, for z>0? Express your answer in terms of some or all of the quantities.
q1. the critical angle for a special type of glass in air is 41.8. the index of refraction for water is 1.33. what is
Calculate the absorbed dose in Gy to the skin of a person which receives 1500 ergs/gm of beta radiation from a cloud of radioactive krypton-85 gas.
Four things are considered constant when even modern physics came and with the help of these you can solve any problem in classical mechanics.
on average an electric water heater operates for 1.7 h each day. it has a power requirement of 4500 w and a current
Where is the rate of change of f(x) positive? Where is it negative? Where does the rate of change of f(x) seem to be greatest?
Two people stand 3 m away from a large plane mirror and spaced 3.8 m apart in a dark room. At what angle of incidence should one of them shine a flashlight on mirror so that the reflected beam directly strikes the other person.
A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H of 33.0 m above sea level, directed at an angle above the horizontal with an unknown speed v0. The projectile remains in..
A 75 kilogram astronauts is walking outside the space shuttle and pushes a 400 kilogram satellite away from the shuttle at 1.5m/s. Find the resulting speed of the astronaut
find the speed of mirror which will again give no shift position.
A circuit consists of a battery with a closed circuit, a terminal voltage of 12.0 V, and 1.0-?, 2.5-?, 5.5-?, and 7.0-? resistors connected in series, Calculate the equivalent resistance of the circuit
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