What is ΔE equal to?
Q: one meter is 100 cm. Does it therefore follow that one cubic meter is 100 cubic centimeters? explain…
A: As we know, 1 meter is equivalent to 100 cm, So one cubic meter is equivalent to, 1 m3=100 cm3=106…
Q: But where do you derive the equation E=(K|q|)/r? My book says E=(K|q|)/r^2.
A: According to general equation of electric field , E = kQr2
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Q: Equation 1.5: E(bar) = sum(Pj*Ej) Equation 1.6: p(bar) = sum(Pj*pj)
A: The equations 1.5) and 1.6) can be written as,
Q: 0405 What is to the proper number of significant figures? 0.76
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A: The free body diagram for this problem is shown below
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Q: Part B is wrong FA=(2mw(L−x)+mbL)g/2L is the formula but I'm unsure which numbers to plug in where.
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Q: A cube of material has sides 1 unit, and variable density which is given by p(х, у, 2) — 3+ 4xy – z,…
A: Solution-
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A: Given data The radius of the first sphere is r1=1 m The radius of the second sphere is r2=2 m The…
Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 103.4 °F at 12:05 P.M. If the temperature…
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Q: Suppose you have one cubic meter of gold, two cubic meters of silver, and six cubic meters of…
A: Given data: The volume of the gold is, Vg=1 m3 The volume of the silver is, Vs=2 m3 The volume of…
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A: Given that:Distance R=3.400±0.005 m
Q: What type of distribution is this graph.
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Q: Given that density is 19.5 g/cm3 and mcritical is 60.0 kg, find the radius of the sphere where the…
A: mass = volume x density
Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 101.0 °F at 12:05 P.M. If the temperature…
A: Temperature was 97.0 °F at 8:05 A.M. And 101.0 °F at 12:05 P.M. Temperature at 3:35 P.M. = ?
Q: The side of a square measures 4 m in length. What is the area of the square? O 16 x 10 -4 cm² O 16 x…
A: Side , a = 4 m To find = Area
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A: Emmanuel measured outward force in a container as F = 5.64 Newtons It is also given that he measured…
Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 102.0 °F at 12:05 P.M. If the temperature…
A: As the patient’s temperature change with respect to elapsed time was linear throughout the day so…
Q: why did you do times 3.2?
A:
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What is ΔE equal to?
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- (Please refer to Fig. 1) W = FAx (Equation 1) F = qE (Equation 2) APEelec = -W (Equation 3) Substituting Eq. 1 in Eq. 3, APE elec Then subs. Eq. 2 in Eq. 4, 4. What does q means in the derived equation? = -FAx (Equation 4) APE etec = -qEAx (Eq. 2.1) Which is what we need to derive.does not depend on is linearly proportional to is inversely proportional to increases by a factor of 2 decreases by a factor of 2 does not change The capacitor charge its capacitance. Therefore, if the potential difference does not change and capacitance decreases twice, the charge QA = 2 X 1025, B = 4.5 X 10-10, C = 3 X 10-6. AB/C = ? (2) ACB = ? (3) The Moon is approximately 400,000 km from the Earth. An atom of a certain element has a diameter of 4 X 10-8 cm. Given 1 km = 1,000 m and 1 m = 100 cm, about how many atoms of this element can be lined up between Earth and Moon? (4) A spherical planet has a radius of 2,000 km and a mass of 1025 kg. Calculate its density (mass/volume) in kilograms per cubic meter. (5) How many of the atoms in Question (3) can fit within a spherical planet with a diameter of 2 X 104 km? (6) An asteroid’s radius is 200 m and its distance from Earth is 107 km. What angle in degrees (θ) will it subtend? Use the equation θ = 57 (diameter) / distance
- Given A= (-3i+7j-4k) B= (6i-10j+9k), calculate A X B.The mass of a star similar to the Sun is 2.04 ✕ 1030 kg, and the mass of an atom of hydrogen, of which the Sun is mostly composed, is 1.67 ✕ 10-27 kg. How many atoms are in the star?The radius of circle has been measured as r = (4.19 ± 0.3) cm. Calculate the uncertainty δA (in cm²) of its area (A = πr²). Enter the number only, without unit.
- Enplain the equation Fz-VU.A high tech company uses a satellite to measure the size of features on the surface of the earth. They use this technology to measure a particular rectangular field and find it's length to be 444 ± 1.8 in meters and it's width to be 198 ± 1.63 in meters. They plan to report the perimeter (sum of two lengths and two widths) of the field as P± SP in units of yards. (1 meter = 1.094 yards) What is SP?Express the answer in standard scientific notation with the appropriate number of significant figures. The diameter of a helium nucleus, 0.000 000 000 000 003 8 m. _____ x 10 ^___m
- An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has dimensions [ML−3], and g (gravitational field strength) has dimensions [LT−2]. The correct interpretation of V is that it represents velocity or volume?For (b), why do we divide the (100Wx8h) by (103Wh)? I get that we need to cancel out the Wh, but why do we divide by 103 specifically?A hot tub with a surface area of 28 ft2 is filled with water to a depth of 29 in . Hint: volume is calculated as area × height (A × h). A) What is the volume of water in the tub, in liters? Express your answer to two significant figures and include the appropriate units. B) How many kilojoules are needed to heat the water from 59∘F to 103 ∘F? Express your answer to two significant figures and include the appropriate units. C) If the hot-tub heater provides 5900 kJ/min, how long, in hours, will it take to heat the water in the hot tub from 59∘F to 103∘F? Express your answer to two significant figures and include the appropriate units.