A 34.0 cm long pendulum with a 245-g bob swings through at an angle of 180 degrees. Choose the reference configuration as the point where the pendulum string is vertical. Assuming the pendulum remains taut, what is the gravitational potential energy of the pendulum bob-Earth system when the pendulum string makes an angle of a. 90 degrees with the vertical? and b. 40.5 degrees with the vertical? c. What is the gravitational potential energy of the pendulum bob-Earth system at the lowest point of the pendulum's motion?

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A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

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A: Given: Mass , m = 1.5 kg Angle with the horizontal θ = 34°  Initial speed, u = 20 m/s

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A:

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A:

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A: Given that:-  Mass of block=2kg Force applied on the block=5N

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A: Given that, Spring Constant, k=1.0 N/cm Mass of the Block m=0.36 kg Spring Compresses total =0.17 m

Q: 4) A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

A:

Q: 4) A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

A: As per our company guidelines we need to solve only first three subpart.kindly repost other parts as…

Q: (d) Suppose the skydiver's initial kinetic energy is zero, ∆K = -∆U for this system? If yes,…

A:

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A: At lowest point of the swing Potential energy = 300 J kinetic energy = 900 J after a moment later ,…

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A: K = 163N/mm K = 163000 N/m x = 0.76 cm x = 0.0076 m

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A: Note-Bartleby guideline allows to expert answer only the first three subparts.   Solution

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A: (a)Write the expression for gravitational potential energy.

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A:

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A: It is given that,  α=42om=25 kgv1=0h=2.20 m

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A: Given:m=250 g=0.25 kgk=2.5 N/mx=17cm=0.17m

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A:

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A:

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A: We will answer only part (a) since part (b) appears to be incomplete. The equation for the work done…

Q: A cat’s crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s . Assume…

A: Hey, there are multiple subparts posted, we are authorized to answer three subparts at a time, since…

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A: Given information:Mass of the athlete (m) = 60 kgInitial velocity of the athlete (u) = 9.00 m/sGiven…

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A: Given:

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A:

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A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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A: W=12kx2k=2Wx2=212 J30 cm1 m100 cm2=267 N/m

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A:

Q: At the low point in its swing, a pendulum bob with a mass of 0.15kg has a velocity of 14 m/s. A.)…

A: Given,mass of the bob of the pendulum, m = 0.15 kgvelocity of the bob at the lowest point, v == 14…

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.