Physics, 07.11.2019 22:31, logsdonella
A19.0-kg cannonball is fired from a cannon with muzzle speed of 1 200 m/s at an angle of 35.0° with the horizontal. a second ball is fired with the same initial speed at an angle of 90.0°. let y = 0 at the cannon. (a) use the isolated system model to find the maximum height reached by each ball. hfirst ball = incorrect: your answer is incorrect. do not try to use equations involving projectile motion. this problem is much more straightforward to solve using energy conservation. m hsecond ball =what is the expression for the total mechanical energy just after the cannon has been fired? what is the expression for the total mechanical energy when the cannonball reaches its maximum height? m (b) use the isolated system model to find the total mechanical energy of the ball❝earth system at the maximum height for each ball. efirst ball = incorrect: your answer is incorrect. how does the total mechanical energy at the maximum height compare to the total mechanical energy immediately after the cannon was fired? j esecond ball =
Answers: 1
Physics, 22.06.2019 16:00, russboys3
Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
Answers: 1
Physics, 22.06.2019 20:30, sza2016
This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.
Answers: 1
Physics, 22.06.2019 21:00, violetagamez2
Identify some abiotic characteristics of the tundra biome.
Answers: 3
A19.0-kg cannonball is fired from a cannon with muzzle speed of 1 200 m/s at an angle of 35.0° with...
Mathematics, 17.08.2021 19:40
Mathematics, 17.08.2021 19:40