A spring is used to launch a block up a frictionless ramp as shown at right. At time t,, the spring is compressed and the block is released from point A. The block moves up the ramp, losing contact with the spring at point B. When it passes point C, the block has a velocity vc directed up the ramp. Imagine a system that includes the block and possibly one or more additional objects. Is it possible to choose a system whose total energy is constant during the interval from t, to t,? If so, state which object(s) must be included in the system. Explain. a. b. Is it possible to choose a system so that the total energy is not constant during the interval from t, to t,? If so, what is the system containing the fewest possible objects for which the energy is not constant during this interval? Explain

Q: I need help with question A,B and C. I am having trouble figuring out this problem and is there any…

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Q: B, 1 and 2?

A: B. (1) Apply momentum conservation for experiment 1.

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Q: C and D?

A: (c) Since the student and the wheel are the closed system (friction is assumed to be negligible) and…

Q: P (t) = PmaxCos (Bt) If t is measured in seconds, what value should the quantity B have? B = If t is…

A: The value of quantity B.given,P(t)=Pmaxcos(Bt)frequency(f)=349 Hz

Q: Solve the first problem: includes a, b, and c.

A: M = 0.8 kg m = 0.05 kg U1 = 20 m/sU2 = 0 m/sUsing formula for elastic collision V1f = (M-m)U1/(M+m)…

Q: How do you get from J/V^2 to mF?

A: Given: C=2EV2         To know, unit conversion

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Q: How do you solve a and b for this question?

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Q: I got parts A and B correct, but my answer for part C is wrong. Need help with part C pls

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Q: How would you complete Part B in this problem?

A: For minimum velocity normal reaction must be minimum, i. e., zero. Radius r = diameter/2 = 46/2…

Q: (h) When, for 0 st < ∞, is the particle speeding up? (Enter your answer in interval notation.)

A: (D) Given: The displacement of the particle as a function of time is t3-9t2+15t. Introduction:…

Q: On step 1, why is it 115/1800 instead of 1300?

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Q: (d) Find the allowed values of E. (e) Sketch y(x) for the three lowest energy states. (f) Compare…

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Q: b. A different robot begins pushing a 10kg box that was already moving at 0.5m/s [Right] along a…

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Q: When an AC source is connected across a 10.0-N resistor, the rms current in the resistor is 7.38 A.…

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Q: can you do d and e as well thank you

A: From previous part Tangential acceleration after one second

Q: *Problem 3: A 1000 kg car travelling at 60 mph (26.84) impacts a brick wall. The car comes to a stop…

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Q: A 350 kg roller coaster starts from rest at point A and slides down the frictionless loop-the-loop…

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Q: a. Find the magnetic field (magnitude and direction) at the position of I' due to the currents…

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Q: can someone do part d?

A: The required solution is following

Q: Let A=5i-6.5 and B=3.5i-7ĵ . If lies in the xy-plane, Cis perpendicular to À , and Č-B=15 , what is…

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Q: How do you do part d,e, f?

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Q: A Solenoid has 10 turns per centimeter. What current is needed to produce a magnetic field of 0.02 T…

A: The magnetic field produced by a solenoid is given by the formula B=μonIn is the number of turns per…

Q: A finite rod of negligible thickness and length L = 5.20 m has total charge Q = 10.0 µC, distributed…

A: (a) Length of the rod (L) = 5.20 mThis rod is bent into a semicircle of radius R.So,πR = L⇒ R = Lπ =…

Q: could you also do d e and f?

A: Given := mass 0.593 kg amplitude 26 cm  T=0.418s ω=15.02 rad/s

Q: can someone only answer part D of the question

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Q: A 10-kg cart is released from rest with no slack in the cable and with the spring unstrethced. The…

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Q: find C=A+4B if A=(3i-j+2k) and B=(i-2j+k)

A: Given: Vector A=3 i-j+2k Vector B=i-2j+k

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.