Physics, 28.06.2019 08:50 Naysa150724
Abatter hits a softball over a third baseman's head with speed v0 and at an angle θ from the horizontal. immediately after the ball is hit, the third baseman turns and runs at a constant velocity v=7.000m/s, for a time t=2.000s. he then catches the ball at the same height at which it left the bat. the third baseman was initially l=18.00m from home plate (the location where the ball was hit from).express the initial speed to four significant figures in meters per second? find the angle ? in degrees.? find the components vx and vy of the ball
Answers: 1
Physics, 22.06.2019 00:00
A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?
Answers: 1
Physics, 22.06.2019 17:40
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
Answers: 1
Physics, 22.06.2019 21:00
The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
Answers: 1
Abatter hits a softball over a third baseman's head with speed v0 and at an angle θ from the horizon...
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