1. Object A has a charge of 3μC and a mass of 0.0025kg. Object B has a charge and a mass of 1μC and 0.02 kg respectively. What is the magnitude of the electric force between the two objects when they are 0.3 meters away?

Q: 2. The figure shows a pin-supported member, ABD, in static equilibrium. The mass of the member is…

A: The objective of this question is to calculate the support reactions at points B and D, and to…

Q: The volume of an iron cube is 1000 cubic units. The density of iron is 7.87g/cm^3 calculate the mass…

A: Definition of density Density of an object is defined as mass of the object per unit volume. Density…

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: One micrometer means  1/ 10 _6 of a meter 1/103  of a meter 1/10+ 6 of a meter No answer text…

A: Required: 1 micrometer in terms of meter

Q: The price of tomatoes at the grocery store is $3.14/lb.  What is the equivalent price per kilogram?…

A: SOLUTION AS

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

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: Six slits in a diffraction grating. A set of waves is spreading out from each of the slits. Six…

A: λ=658nm

Q: The mass of a feather is 8.2 x 10-3 grams. Write the mass in decimal notation

A: Given  mass=8.2×10-3 gram

Q: ½ (m/s) 4 2 t (s) 4 1 3

A: 17) Between t=0 s to 2 s, the position is increasing. Because in this period the particle has…

Q: Which is the most fundamental of the physical sciences

A:

Q: correct answer

A: If the Universe is dominated by a strange substance with an equation of state w = -0.7, and this…

Q: The art in scientific thinking—whether in physics, economics, or engineering—is

A: The art in scientific thinking—whether in physics, economics, or engineering—iswe need to fill it up

Q: 122 km/hr = mile/hr

A:

Q: How would I round it for scientific notation?

A:

Q: ) Express the speed of light, 3.00 x 108 m/s in: a) Feet per nanosecond        b) millimeters…

A: speed of light= 3×108 m/s 1 m= 3.28 ft (a) speed in Feet per nanosecond : 3×108ms=3×108 3.28 ft109…

Q: 4 kg 1 kg

A:

Q: what is the reading in the micrometer ?

A: Least count of micrometer : Least count of micrometer=smallest reading of main scaleTotal number of…

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: Express in scientific notation (3 significant figures) a) 56,000 b) 0.000857 c) 29 d) 645.8…

A: a) 560  b) 857 × 10-6

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: In the circuit pictured, the resistors have values of R1 = 170 Q, R2 = 62 Q, and R3= 130 Q, and the…

A: As per the guide lines first question is answered. kindly post the next question as a new post. 11.…

Q: What is the volume of a box that measures 55.0 cm by 30.0 cm by 45.0 cm

A: given dimension of box length (l)= 55.0 cm  breadth (b) = 30.0 cm  height (h)= 45.0 cm where volume…

Q: Says 1.62 is wrong

A:

Q: What is the height in meters of a 5 foot 6.0 inch tall person? m

A: given that,h=5 foot 6 inchconvert h in meters

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.