What's the difference when a copper core is inserted into a solenoid instead of an iron core?
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A: Unit rate = Total number of heartbeatTotal time
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Q: A car is moving at 35.0 mi/h. Express its speed in (a) m/s .
A: The distance an item travels in a unit of time is the definition of speed in physics. In other…
Q: 10. A cyclist travels at a speed of 20 km/hour. How far will he travels in 5 hours?
A: Given data: Speed of cyclist (v) = 20 km/hour Time (t) = 5 hours
Q: Vector A has magnitude 43.66 m and vector B has magnitude 76.65 m. The magnitude of the cross…
A: Using formula for dot and cross product we can get the answer
Q: A car is traveling at a speed of 41 m/s. a) what is its speed in kilometers per hour ? b) is it…
A: Given data: Speed (v) = 41 m/s Required: Speed in km/h
Q: 238 92 234 90 Th 구H+주 3 8m+
A: Information given: Incomplete nuclear reactions are give, need to find missing element of the…
Q: That's not the correct answer! The answer is 45 m
A: P = 1.3 MW v = 9.5 m/sCp = 0.36rho = 1.225 kg/m^3
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A: Here the expression that 3150joule is wrong expression it should be 3150 volt or watt.i have done…
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A: Speed of the Eagle, v = 10 km/s Distance, s = 250 km Time = Distance/Speed or t = s/v or t =…
Q: If vector A has a magnitude of 5N, vector B has a magnitude of 7m, and the angle between vectors A…
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Q: my quiz shows the answer as 10?
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Q: Convert 21 m/s to km/hr.
A: Given data: 21 m/s Required: The value of 21 m/s in km/hr
Q: Find the velocity and acceleration vectors in terms of u, and up. r=2 cost and 0 = 9t V= -2 sin t)4)…
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Q: Given three vectors A = -78 +93 – 4k,B = -6î + 33 + 12k and C = 152 – 47 + 7k which of the following…
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Q: A marathon runner averages 9.3 mi/h. How long does it take them to run a 26.14-mi marathon in hours?…
A: Required to find the time in hours
Q: The speed of light is about 3.00 ✕ 108 m/s. Convert this figure to miles per hour.
A: The given data is: Speed of light is: 3×108m/s The objective is to convert this to miles per hour.
Q: Considering the usual unit vectors: i j and k Find the dot product given by C=A'B, for the following…
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Q: 8. A car travels at 40kph for 2 hrs, at 50 kph for 1 hr and at 20 kph for 0.5 hr, find the average…
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Q: 5. A fan turns off when rotating at 850 rpm and makes 1,350 revs until it comes to a complete stop.…
A: The equation of motion is given by ω2=ω02+2αΔθ Here, ω is the final angular speed, ω0 is the initial…
Q: 6 units and is in the direction of +x-axis. Vector B has a magnitude 4 units and lies in the…
A: Given:- Vector B lies in x-y plane at an angle 30°with x-axis To find:- Formula used:-
Q: An airplane flying horizontally with a speed of 500 km/h at a height of 800 m fires a crate of…
A: we have given height of the projectile h =800m initial velocity of airplane ua = 500 km/h =…
Q: 1. What is the velocity of a car that traveled a total of 65 km east in 2.3 hours
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Q: Convert 41.4 m/s to units of km/hour.
A: Given data: Speed (v) = 41.4 m/s Required: Speed in units of km/hr
Q: A sound travels down a hallway that is 124 m long. Then it echoes and returns back to the source. If…
A: Write the given values with the suitable variables. s=124 mv=347 m/s Here, s and v are the length of…
Q: A woman makes 25% more than her husband.Together they make $1800 each month.How much does the woman…
A: Write the expression relating the woman’s earning and her husband’s earning
Q: Part C Enter the expression -20 + 6D in the answer box using the notation just described. Express…
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Q: 23 m/s to km/hr?
A: Given 23 m/s we have to convert into km/hr as we know 1km=1000m so 1 m=11000km 1hr=60 min=3600 sec…
Q: Vector A has magnitude 11.89 m and vector B has magnitude 13.89 m. The magnitude of the cross…
A: Given Magnitude of the two vectors are given as A→=11.89 m and B→=13.89 m Magnitude of the cross…
Q: - 40. A 2.00-kilogram mass is at rest on a horizontal surface. The force exerted by the surface on…
A: Part (40): Given: The mass of the object is 2 kg.
Q: An object has kinetic energy of 88 J. If its speed is 4.7 m/s, what is its mass?
A: Given data: Kinetic energy (KE) = 88 J Speed (v) = 4.7 m/s Required: Mass (m)
Q: The answer is wrong! The correct answer is 3.62. How do i get this answer
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Q: A vector has a magnitude of 2.8 m and points in a direction that is 135° counterclockwise from the z…
A:
Q: 4 m2 = ? ft2 4 ft2 = ? m2
A: 1 m2 = 10.763 ft2. and 1ft2 = 0.0929 m2.
Q: Given two vector A -5.00i – 9.00j+ 4.00k and B = -4.00i + 6.00j – 2.00k what is the vector product A…
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Q: Two vectors have a dot product of 7 m² and a cross product of magnitude 4.95 m². What is the angle…
A: Let A and B are the two vectors.
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