Physics, 25.05.2021 14:00 jackie0833
Mom cuts the cheese by pressing the knife with a force of 50N. What is the pressure of the knife blade into the cheese if the blade is 12 cm long and 0.2 mm wide?
Answers: 3
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Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
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Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
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Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.
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Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
Answers: 3
Mom cuts the cheese by pressing the knife with a force of 50N. What is the pressure of the knife bla...
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