The speed of Shubham is 6 km per hour. The speed of Yash is 2 km per hour. The ratio of the speed of Shubham to the speed of Yash is

Answer:

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Answer:

B and D would be in the state of force vibration.

(ii) Since the length of pendulum C is same as that of A therefore it is in the state of resonance.

(iii) The pendulum C has its length same as that of A therefore its natural time period is also same that of A and both remain in same phase; so resonance takes place. But B's length is lesser than the length of A hence B would vibrate with smaller amplitude.

Answer:

The right answer to the given question is option(c): Pendulum A, B, and D will also start vibrating.

Explanation:

• A pendulum is known as the body suspended from a fixed point so that it can swing back and forth freely.
• When a Pendulum is disturbed, it starts moving sideways from its resting position.
• It travels to its extremes and finally comes back to its resting position or equilibrium position.
• This vibrating motion of the pendulum is regular and repetitive.
• The phenomena of increase in amplitude that happens when the frequency of a periodic force matches with the natural frequency of the body it acts on, is called resonance.
• The pendulum has a resonant frequency, which is indirectly proportional to the length of the pendulum.
• Here, the pendulum C is the longest so it will have the lowest resonant frequency.
• Since the lengths of all the pendulums are not the same so the resonant frequency of pendulum C will not match the natural frequency of others.
• But since they are tied to the same flexible string, other pendulums will also start vibrating when pendulum C vibrates as it provides a slight pull on the string PQ.
• Though the vibrations of other pendulums will be in uneven motion.

So, When the pendulum C is disturbed then the pendulum A, B, and D will also vibrate but in a rough motion.

Magnitude of k:

Explanation:

• The magnitude of K is 1.
• I cap and j cap are the unit vectors, I cap addresses unit vector in x course while j cap addresses unit vector in y bearing and k cap addresses unit vector in z heading.
• The greatness of a vector recipe is utilized to work out the length for a given vector (say v) and is meant as |v|. So essentially, this amount is the length between the underlying point and endpoint of the vector.
• Size is characterized as enormous in size or vital. An illustration of extent is the profundity of the Grand Canyon.
• An illustration of size is the size of the issue of widespread starvation

Answer:

The riddle depicts that it is a one story house. There is everything yellow in the house like yellow door, yellow furniture and yellow walls. However, as we know that the house is one story so stairs will not be required and made for this house. Hence, as there are no stairs, there would be no colour for them.

Answer:

The riddle depicts that it is a one story house. There is everything yellow in the house like yellow door, yellow furniture and yellow walls. However, as we know that the house is one story so stairs will not be required and made for this house. Hence, as there are no stairs, there would be no colour for them.