Physics, 29.07.2019 06:00, mooneyhope24
23) a high school website directs parents to not allow student access to blue laser pointers or allow the students to bring them to school. it includes a video describing the danger inherent in the misuse of all laser pointers particularly the blue laser pointer. why would they claim that blue laser pointers are more of a concern than red laser pointers?
Answers: 1
Physics, 22.06.2019 08:00, hartzpeyton136
5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0ยฐc and at the end it was 19.0ยฐc. calculate the energy absorbed by the reaction.
Answers: 3
Physics, 22.06.2019 19:40, cordovatierra16
Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin and q2 initially at x1 = 12.2 mm. in this configuration, q1 exerts a repulsive force of 2.62 ยตn on q2. particle q2 is then moved to x2 = 18.0 mm. what is the force (magnitude and direction) that q2 exerts on q1 at this new location? (give the magnitude in ยตn.)
Answers: 1
Physics, 22.06.2019 23:40, ttwright24
Which type of energy is transferred by convection currents?
Answers: 2
23) a high school website directs parents to not allow student access to blue laser pointers or allo...
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