Physics, 31.10.2019 06:31 heatherswiffin666
Several large firecrackers are inserted into the holes of a bowling ball, and the 6.3 kg ball is then launched into the air with a speed of 10.4 m/s at an angle of 43° from the horizontal. the firecrackers explode at the peak of the trajectory, breaking the ball into three pieces. a 1.8 kg piece travels straight back horizontally with a speed of 2.2 m/s. a 1.6 kg piece travels straight up with a speed of 1.8 m/s.
Answers: 3
Physics, 21.06.2019 18:20
The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.
Answers: 2
Physics, 21.06.2019 19:10
Natural forces that can alter ecosystems include seasons and climate changes. t or f
Answers: 1
Physics, 23.06.2019 02:10
The molecular mass of a gas is (select all that apply) a. independent of the type of gas b. the same number as the atomic (or molecular) mass, but measured in grams c. dependent on the temperature d. the mass of a mole of the gas
Answers: 1
Physics, 23.06.2019 08:00
You need to fill a basketball with air to play with it. you know that your pump expels air at a velocity of 6 cm/s. you know that the volume flow rate of air being pumped into the basketball is 103 cm^3/s. what is the diameter of your needle?
Answers: 1
Several large firecrackers are inserted into the holes of a bowling ball, and the 6.3 kg ball is the...
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