Physics, 06.11.2020 19:40, PompousCoyote
During a fireworks display, a shell is shot into the air with an initial speed of 70 m/s at an angle of 65 degrees above the horizontal.
What is the initial velocity of the firework shell in the x-direction?
What is the initial velocity of the firework shell in the y-direction?
What is the maximum height of the firework shell?
What is the range of the shell?
How long is the shell in the air?
Answers: 1
Physics, 22.06.2019 05:30, dxpebetty64
Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
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How does the entropy of steam compare to the entropy of ice?
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Physics, 22.06.2019 17:30, realoneree
This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.
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