PLS HELP ASAP I WILL GIVE BRAINLIEST I RLLY RLLY NEED THIS :(
19. The current setup of the device launches the marbles at a speed of 9.05 m/s. If the
students adjust the launch angle from 51° to 35°, what effect will this change have on
the marbles' hang times?
20. During one launch, when the 4.0-gram marble is at the peak of its trajectory, moving to
the right, the only forces acting on it are the force of gravity, and a 0.01 N force of drag
to the left. Draw the free body diagram for this situation.
Answers: 3
Physics, 22.06.2019 00:50
Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)
Answers: 3
Physics, 22.06.2019 01:00
Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v
Answers: 3
Physics, 22.06.2019 08:30
How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
Answers: 2
Physics, 23.06.2019 00:30
1. when conducting a test on what kind of music increases the growth of plants, all of the following would fail to meet to fair test standard except (1 point) using different kinds of plants. giving some plants more water than others. exposing the plants to different types of music. using nutrient-rich soil for one and lesser soil for others. 2. engineering uses scientific thinking to solve real-world problems. (1 point) true false 3. what does it mean to test a hypothesis? (1 point) pass a quiz on other scientists’ results analyze only the results from scientific sources not make assumptions about how an experiment will turn out see if the results of an experiment are what the scientist predicted
Answers: 3
PLS HELP ASAP I WILL GIVE BRAINLIEST I RLLY RLLY NEED THIS :(
19. The current setup of the device...
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