Physics, 21.11.2019 05:31 samueltaye
Ahiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. she hears the echo 3.7s\; s after shouting. the speed of sound in air is 343 m/s\rm m/s. determine the length of the lake. express your answer to two significant figures and include the appropriate units.
Answers: 2
Physics, 21.06.2019 13:00
Jake has a nine month old son. how can he build his self esteem
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Physics, 22.06.2019 14:30
A10nc charge sits at a point in space where the magnitude of the electric field is 1500 n/c. what will the magnitude of the field be if the 10 nc charge is replaced by a 20 nc charge? assume the system is big enough to consider the charges as small test charges.
Answers: 1
Physics, 22.06.2019 16:40
On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units
Answers: 1
Ahiker determines the length of a lake by listening for the echo of her shout reflected by a cliff a...
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