Answer:
One might think of a plucked guitar string - the sound would depend on the original amplitude of the disturbance -
Speed and velocity would still be the same
(b) is correct because the energy transfer depends on the original energy applied.
When air resistance<span> acts, acceleration during a fall </span>will<span> be less than g because </span>air resistance affects<span> the motion of the falling </span>objects<span> by slowing it down. </span>Air resistance<span> depends on two important factors - the</span>speed<span> of the </span>object<span> and its surface area. Increasing the surface area of an </span>object<span> decreases its </span>speed<span>.</span>
Answer:
i/f = i/o + i/i f = focal, o = object, i = image
1 / i = 1 / f - 1 / o = (o - f) / o f
i = o * f / ( o - f) image distance
i = 12.5 * 22 / (12.5 - 22) = -28.9 cm
Image is real
Image is 28.9 cm to left of lens
M = - i / o = = 28.9 / 12.5 = 2.3 magnification (convex lens)
The orbital speed of an ice cube in the rings of Saturn is 11.2 Km/s. The correct answer is option C
<h3>
What does Orbital speed depend on ?</h3>
The speed of an object travelling around a circle depends on two quantities namely;
- Its distance from the center of the circle.
Given that an ice cube in the rings of Saturn. The mass of Saturn is 5.68 x 10^26 kg, and use an orbital radius of 3.00 x 105 km. (G= 6.67 × 10-11 N·m2/kg2)
The given parameters are:
- The mass of Saturn = 5.68 x 10^26 kg
- The orbital radius = 3.00 x 105 km
- G = 6.67 × 10-11 N·m2/kg2
Let us first calculate the gravitational field strength on the Saturn.
g = GM/r²
Substitute all the necessary parameters and convert km to m
g = (6.67 × 
× 5.68 × 
) ÷ (300000 × 1000)²
g = 3.79 × 
÷ 9 ×
g = 0.421 m/s²
The orbital speed will be
V² = gr
V² = 0.4211 × 300000 × 1000
V² = 126333333.3
V = √126333333.3
V = 11239.8 m/s
Convert it to Km/s by dividing the answer by 1000
V = 11239.8/1000
V = 11.2 Km/s
Therefore, the orbital speed of an ice cube in the rings of Saturn is 11.2 Km/s
Learn more about Orbital Speed here: brainly.com/question/22247460
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Answer:
The maximum kinetic energy is 100 Joules
Explanation:
Considering the pendulum as an isolated system, the kinematic energy will be conserved. The kinematic energy = (potential energy) + (kinetic energy). We know that it starts at rest (i.e., with kinetic energy being 0) with 100 Joules worth of potential energy. We also know that when the pendulum crosses the bottom point at 0m it has potential energy of 0 J implying its kinetic energy is 100 J, which is its maximum.
