Can someone help me with these questions
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Physics, 22.06.2019 05:50
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyerβs error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 2
Physics, 22.06.2019 20:30
Four identical lab carts each have a mass of 200 kg. different masses are added to the carts and the velocities are measured. all carts move to the right.
Answers: 3
Physics, 22.06.2019 22:30
Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s.assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.
Answers: 1
Physics, 22.06.2019 23:30
The photo above shows oil and vinegar in a pitcher. the top make a claim about about the density of the vinegar compared to the density of the oil summarize the evidence to support the claim and explain your reasoning
Answers: 3
Mathematics, 04.07.2019 06:00
Mathematics, 04.07.2019 06:00
Mathematics, 04.07.2019 06:00
History, 04.07.2019 06:00
Mathematics, 04.07.2019 06:00
History, 04.07.2019 06:00
Chemistry, 04.07.2019 06:00
Mathematics, 04.07.2019 06:00
History, 04.07.2019 06:00
Mathematics, 04.07.2019 06:00
Mathematics, 04.07.2019 06:00