X 4 N 5N

Q: second question

A:  

Q: When you double the charge on only one of a pair of particles, what effect does this have on the for...

A: Given:  Charges and force 

Q: A certain gasoline engine has an efficiency of 30.0%. What would the hot reservoir temperature be fo...

A:

Q: What is the difference between converging and diverging waves?

A: Given:  Converging and diverging waves

Q: Let a bag of mass 'm' is being raised to a height 'h' from the floor of your classroom. Whatwill be ...

A:

Q: How a lens refracts light?

A: Refractive index of lens is greater than the refractive index of air. When light travels from a medi...

Q: a. Determine the net force required to accelerate a 540-kg ultralight car from 0 to 27 m/s (60 mph) ...

A: Given:  (a) m = 540 kg, u = 0 m/s, v = 27 m/s , t = 10 s  (b) m = 2160 kg, u = 0 m/s, v = 27 m/ , t ...

Q: A piece of wood that floats on water  has a mass of 0.0175kg .a lead sinker is tied to the wood and ...

A:

Q: How is the combined pump–motor efficiency of a pump and motor system defined? Can the combined pump–...

A: The efficiency of a combined pump moto system is expressed as,

Q: Why do radio waves or electromagnetic waves in general decrease as distance increases?

A: The amplitude of radio waves or electromagnetic wave is decreases with time is called damping. Dampi...

Q: What is the wavelength of a 340-Hz tone in air? What is the wavelength of a 34,000-Hz ultrasonic wav...

A:

Q: Strontium titanate (SrTiO3) is a rare oxide mineral found naturally in tausonite crystals in Siberia...

A:

Q: Why is the sound of a harp soft in comparison with the sound of a piano?

A: Sound produced in a harp is due to soft plucking of the strings.

Q: Which is the largest unit of heat transfer—Calorie, calorie, or joule?

A: Given: calorie and Joule 

Q: The temperature of the Sun’s interior is about 107 degrees. Does it matter whether this is degrees C...

A:

Q: A physics major is cooking breakfast when he notices that the frictional force between the steel spa...

A: It is given that,

Q: Suppose your 60.0-L (15.9-gal) steel gasoline tank is full of gas, so both the tank and the gasoline...

A: The expression for the volume expansion to calculate the increase in volume of the steel tank,

Q: What can you say about the speed of a boat that makes a bow wave?

A: Given: the speed of a boat that makes a bow wave

Q: Consider 50 g of hot water at 80°C poured into a cavity in a very large block of ice at 0°C. What wi...

A:

Q: An automobile with 0.230 m radius tires travels 70,000 km before wearing them out. How many revoluti...

A: It is given that,

Q: Suppose you want to operate an ideal refrigerator with a cold temperature of −10.0ºC , and you would...

A: Given:  Tc = - 10 degree C = 263 K  COP = 7 

Q: A 50-N force is applied at an angle of 30 degrees north of east. This would be the same as applying ...

A: Given:  Force = 50 N at an angle 30 degree 

Q: The widest cinema screen in the world was reportedly constructed in New Zealand in 2007. The screen ...

A: The given values are,

Q: The coefficient of friction between the wheels of Dawson's 1985 Ford Coupe and the dry pavement is 0...

A:

Q: In Figure, a current carrying wire is shown with known quantities as i = 25 mA, r1= 5 cm, and r2 = 1...

A: Given: Current in wire (i) = 25 mA. Radius (r1) = 5 cm. Radius (r2) = 10 cm. Charge on particle (q) ...

Q: For the following problem, draw free-body diagrams and solve for the requested unknown. Use g = 9.8 ...

A: The required free body diagram is given below:  

Q: Calculate the R of the resistor and it's uncertainty of experimental value.

A: Given information: Here, ΔI and ΔV are the uncertainties in current and voltage respectively.

Q: a) A 3.00-m-long, 290 N, uniform rod at the zoo is held in a horizontal position by two ropes at its...

A:

Q: A force of gravity pulls downward on a book on a table. What force prevents the book from accelerati...

A: The forces acting on the book are the gravitational force and the normal force exerted by the table....

Q: Please help me with this problem, and double check your answers, i have had many issues with tutors ...

A:

Q: Semi-trailer trucks have an odometer on one hub of a trailer wheel. The hub is weighted so that it d...

A:

Q: Calculate the average binding energy per nucleon of , which has an atomic mass of 61.928349 u.

A: The atomic mass of the element is 61.928349 u. The name of the element is Nickel. The atomic number ...

Q: Compute the density in g/cm3 of a piece of metal that has a mass of 0.330kg and a volume of 58 cm3.

A: Given: m = 0.330 kg = 330 g  V=58 cm3

Q: The internal energy for a monatomic gas is equal to its total translational kinetic energy. 2 moles ...

A:

Q: Two semicircular arcs, in the plane of the paper, carry a current I = 8.00 A, shown in FIGURE. The r...

A: Given:  I = 8 A a = 0.4 m  b = 0.6 m 

Q: Initially, a particle is moving at 5.45 m/s at an angle of 38.5 above the horizontal. Four seconds l...

A: The acceleration is given by,

Q: Cars are equipped with padded dashboards. In collisions, the padded dashboards would be safer than n...

A:

Q: A long charged cylinder of linear charged density λ is surrounded by a hollow co-axial conducting cy...

A:

Q: A ball falls from height of 20.0 m, hits the floor, and rebounds vertically upward to height of 15.0...

A:

Q: Explain Fission.

A: Given: Fission

Q: A parachutist with a camera descends in free fall at a speed of 13 m/s. The parachutist releases the...

A: Given; The initial speed of the camera, u = 13 m/s Camera is released from the height, S = 150 m

Q: Determine the wavelength of the photon released when an electron jumps from n. = 3,n, = 2,n, = 3 to ...

A: Given information: Here, l is the length of the cubic box and me is the electron’s mass (standard v...

Q: What evidence can you cite for the claim that water can boil at a temperature of 0°C?

A: The boiling point of water at standard atmospheric pressure is hundred degree Celsius. The boiling p...

Q: Construct free-body diagrams for the following objects; label the forces according to type. Use the ...

A:  

Q: ou have a summer internship at NASA and are working on plans for a new space station to be launched ...

A: Write the expression of the centrifugal acceleration, and solve for the rotational speed of the spac...

Q: In the figure, four long straight wires are perpendicular to the page, and their cross-sections form...

A: Given: Length of side (a) = 15.0 cm. Current in wire (i) = 7.5 A. Current direction in wire 1 and 4 ...

Q: Determine the saturation current in a p-n junction diode at 256 K if a voltage of 0.0678 V produces ...

A:

Q: Use the formula to show that 3000 cal are required to raise the temperature of 300 g of water from 2...

A:

Q: If 750-nm and 6500-nm light pass through two slits 0.55 mm apart, how far apart are the second-order...

A: The position of the bright fringe on a screen in a double slit experiment is given by,

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”