Part A Determine the velocity at t = 0.40 s. Express your answer in meters per second to two significant figures. ► View Available Hint(s) VI 11 ΠΙ ΑΣΦΑΛΩ V Submit Previous Answers Part B X Incorrect; Try Again; 2 attempts remaining ? m/s Assume that the oscillating mass described in Part A is attached to a spring. What would the spring constant k of this spring be? Express your answer in newtons per meter to two significant figures.

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Q: how about 2 , 3 and 4

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A: Ques:

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A: Given: Vector A→=3x^+3y^+z^ and vector B→=-4x^-2y^+5z^

Q: 100 (N) PO 80 60 40 20 0 24 6 8 10 Area (m²)

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A: To find: A unit vector has the magnitude of

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Q: This answer is incorrect. Can I get a correct answer please?

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A: Component of force along x axis = A Cosθ  Component of a force along y axis  = A Sinθ

Q: its not 2.42

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Simple harmonic motion

Simple harmonic motion is a type of periodic motion in which an object undergoes oscillatory motion. The restoring force exerted by the object exhibiting SHM is proportional to the displacement from the equilibrium position. The force is directed towards the mean position. We see many examples of SHM around us, common ones are the motion of a pendulum, spring and vibration of strings in musical instruments, and so on.

Simple Pendulum

A simple pendulum comprises a heavy mass (called bob) attached to one end of the weightless and flexible string.

Oscillation

In Physics, oscillation means a repetitive motion that happens in a variation with respect to time. There is usually a central value, where the object would be at rest. Additionally, there are two or more positions between which the repetitive motion takes place. In mathematics, oscillations can also be described as vibrations. The most common examples of oscillation that is seen in daily lives include the alternating current (AC) or the motion of a moving pendulum.