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A: when velocity and acceleration are both negative, they are same in sign.
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A: Please post the remaining questions separately!
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Q: Just wanted to ask why you used Cosine Law?
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A: Total time of flight = T Let the initial velocity = u
Q: 21. The resultant of the two-dimensional vectors (1.5 m, 0.7 m), (–3.2 m, 1.7 m), and (1.2 m,–3.3 m)…
A: Vector A = (1.5,0.7) m Vector B = (-3.2,1.7) m Vector C = (1.2,-3.3) m
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Q: Two forces are applied to a car in an effort to move it. (Let F1 = 410 N and the angle is 10…
A: F1 = 410 N @10oF2 = 369 N @30omass of car = 3000 kg
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Q: North 27. Which of the following describes the vector shown? 45 cm a. 45 cm b. 45 cm at 30 degrees…
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Q: Part E A long solenoid with N, windings and radius b surrounds a coanial, narrower solenoid with N,…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Which of the following experiments was the first to show the wave-particle duality of light?…
A: Solution: Given: Which of the following experiments was the first to show the wave-particle duality…
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Q: Thats the same answer I got before, and it is wrong. whether it is 0.722 or 7.22 x 10^-1 wrong…
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Q: d²r If r = (8+2t)i – 3e-*j+2 sin 5t k, find dt %3D at t=0. O 12 O -12 21 -21
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Q: :)A 6.00 kg package slides 2.50 m down a long ramp that the norizontal. The coefficient of kinetic…
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Q: A spherical blackbody of 5 cm in radius is in equilibrium with its surroundings. It then absorbs 50…
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Q: a. What is the equivalent resistance for this circuit? R1=10 2 R3=4 2 R2=1 2 12 V R4=1 2 b. What…
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Q: A 0.25 kg apple falls from a tree branch 12.2 m above the ground into a basket 1.3 m above the…
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Q: How do you find the energy, in electron volts of a photon in the radio waves?
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Q: 20 Q 15 Q 30 C. 4. If O = 24 V, at what rate is thermal energy generated in the 20-0 resistor? www
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Q: 1. For each electromagnet at the left of the drawing, explain whether it will be attracted to or…
A: Right end of electromagnet work as the north pole and we know that same pole repel each other
Q: A 7.5 oz of spherical pebbles has a radius of 1.75mm. Calculate the density in g/L and its specific…
A: Given: mass of pebble, m = 7.5 oz radius of pebble, R = 1.75 mm = 0.00175 m
Q: This is still hard to read. Can you make a computer typed format of the solution?
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Q: 7. A charged particle is placed into a uniform magnetic field with an initial velocity of zero. If…
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Q: there is no unit? isn't Pa (Pascal)?
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Q: |d²r If r = (8+ 2t)i – 3e-2tj +2 sin 5t k, find at t= 0. %3D dt 12 O -12 21 -21
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Q: How much work in Joules is required to compress 7 moles of air (y=1.4) at 20°C and 1 atm to 1/7 of…
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