The problem is missing some parts. But here are the questions and answers.
a. Use the work-energy theorem to find its speed just as it left the ground
Initial Kinetic Energy = GPE + KE
1/2 * m * V^2 = m * g * h + 1/2 * m * v^2
V^2 = 2 * 9.8 * 15.6 + 25.6^2
=sqrt 968.96
V (initial speed) ≈ 31.130 m/s
b. Use the work-energy theorem to look for its maximum height.
H = 968.96 / 2 * 9.8 ≈ 49.44 <span>m</span>
Answer:
Solution
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Given:
Mass of body = 30 kg
gravitational acceleration on the moon = 1.62 m/s
2
Weight of the body on the moon = Mass of the body×gravitational acceleration on the moon=30×1.62=48 N
you plug in and turn on the popper, and then the hot air begins to rise in the popper while cooler air falls. As hot air circulates past the popcorn kernels and so the kernels absorb the hear
refer to the above attachment
Answer: The answer is D. (9.8 m/s2)
Explanation:
