A particular extension cord can support up to 8 amps. Martino has an iron whose label states 720 watts, and he wonders if the iron can be plugged into the extension cord. If watts are converted to amps by dividing by 144, how many amps does the iron use?

Q: A student measured the density of a material to be (1.934 0.003) x 10' g/cm. The number of…

A: density = (1.934 +- 0.003)*10 g/cm3 note:- number of significant figure in (1.934)=4 number of…

Q: Multiply 9.096×10^2m by 0.093×10^−1, taking into account significant figures

A:

Q: 3) A can of paint that covers 20 m2 costs $24.60. The walls of a room 13 ft x 18 ft are 8 ft high.…

A:

Q: Find d in the equation d=✔️6.1x10^30 w /4.9 x 10^ -10 w m^-2 in scientific notation to appropriate…

A: d = (6.1 × 1030)/(4.9 × 10-10) = 1.245 × 1040 m

Q: The volume of a small bottle is 25 cm3. How much is this volume in S.I. units? Select one: a.…

A: Given  Volume of a small bottel V = 25 cm3   SI unit of volume is m3 1 cm3 = 1 x 10-6 m3  25 cm3 =…

Q: What mass in kg of rain falls on the lawn in 4 h 24 min, if each raindrop weighed 49.0 ng and on…

A: Weight of one raindrop m=49 ng=49*10-12kg, number of raindrops falling per minute n=8.4*109 and…

Q: An architect is redesigning a rectangular room on the blueprints of the house. He decides to double…

A: Let the length of the rectangle be L breadth B and height H. Therefore, volume of the rectangle:…

Q: What is the area of a rectangle measuring 1.2 ± 0.1 m and 1.7 ± 0.1 m?

A: Area of the rectangle measuring gives, 1.2±0.1 m and 1.7 ± 0.1 m Length of the rectangle with error…

Q: Lake Baikal in Siberia holds the world's largest quantity of fresh water, about 14 Eg. How many…

A: Given information:The quantity of fresh water in the lake is 14 Eg.

Q: As the volume of an object is increased, its surface area also increases. During this increase, does…

A: The square-cube law states that when an object undergoes a proportional increase in size, its new…

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

Q: a painter is to cover the wall in a room that is 9 ft high and 16 ft wide. what surface  area, in…

A:

Q: The loading ramp at a delivery service is 15 ft long and makes a 19.0° angle with the horizontal. If…

A: First loading ramp delivered service = 15f And make angle = 19°

Q: a carpenter has a block of wood 2.4 meters long he cuts off 1.8  . how long is it now

A: Given , Total length , L = 2.4 m  Cut length = 1.8 m

Q: According to the label on a bottle of salad dressing, the volume of the contents is 0.473 liter (L).…

A: Given data: Volume of the contents = 0.473 Litre We have to convert the given volume into cubic…

Q: The prefixes according to their value in descending (decreasing) order are O a. Mega, giga, kilo,…

A: The metric prefix is the unit prefix that precedes a basic unit of measure to indicate a multiple of…

Q: You have a spring about which you know little, but with experimenting you discover that it extends 1…

A:

Q: A mass of 76g is placed on the end of a 3cm vertical spring. This causes the spring to extend to…

A:

Q: Given the quantities a = 2.6 m, b = 6.5 s, c = 98 m/s, what is the value of the quantity d = -

A: The value of quantity d. given, a=2.6 m b=6.5 s c = 98 ms-1

Q: A mountain incline climbs from an elevation of 6556 feet to 8587 feet above sea level. The…

A: Initial elevation (h) = 6556 feet Final elevation (h') = 8587 feet Time taken (t) = 18 minutes and…

Q: By what factor does the volume of a cube increase if the lengths of the edges are doubled?

A:

Q: In the braking system of a specific car, the area behind the brake pedal is 2 cm squared, while the…

A: Area of brake pedal = a = 2 cm2 Force on the brake pedal = f = 12 N Area of the breaking pad = A =…

Q: A mass of 39g is placed on the end of a 4.1cm vertical spring. This causes the spring to extend to…

A:

Q: A block of wood is kept on table top. The mass of wooden block is 5kg and its dimensions are…

A: mass of the wooden block = m= 5 kg dimensions = 40 cm × 20 cm × 10 cm the weight of the wooden block…

Q: QUESTION 2 Match units with physical quantities. m = meter kg = kilo gram s= second Mass (M) v…

A: We know, S.I. unit of mass (M) is kilogram (kg) S.I. unit of length (or distance, L) is meter (m)…

Q: How many helium balloons would it take to lift a person?

A: Helium can lift 1g per L A helium balloon on an average have 15L of gas, thus it can hold or lift…

Q: If the linear dimensions of an object are doubled, by how much does the surface area increase? By…

A: dimension of an object is doubled, the total area increases by a factor of 4 or 22.

Q: Carry the following conversions: a. 2.5x10 -10 g in to kg if kg = 10 3 g; b. The label on a small…

A: a) Given values: Thus, mass M is given as:

Q: The prefixes according to their value in descending (decreasing) order are O a. Mega, giga, kilo,…

A:

Q: How many significant figures are in the following number: 2.5x10(power of 2)

A: Given data:  A number 2.5×102 Required: The number of significant figures

Q: What is the volume in L of a cube measuring 1m on each side?

A: Given data:  A cube has each side (s) = 1 m Required: The volume of cube in L

Q: The average cost per unit P(x) in pesos, в 0.67 to produce x units of cellphone is 300 given by P(x)…

A: NOTE : As per bartleby guidelines, we can answer only first question. For remaining questions please…

Q: A study finds that the metabolic rate of mammals is proportional to m14, where m is the total body…

A: Given: The mass of human is mh=70 kg. The mass of cat is mc=6.11 kg. The ratio of metabolic rate of…

Q: The gasoline consumption of a small car is advertised as 12 km/L. How many miles per gallon is this?…

A: Given data: The gasoline consumption of a car = 12 km/L 1 mile = 1.6 km 1 gallon = 3.8 liters…

Q: According to the label on a bottle of 10 points salad dressing, the volume of the contents is 0.473…

A:

Q: A silver sphere with a radius of 5.8 cm weighs the same as a certain aluminum cube. How long are the…

A: radius of silver sphere (r) = 5.8 cm density of silver (d1) =10.49 gcm3density of aluminum  (d2)=…

Q: the options for the question are 2,700 - 27,000 - 1,400 - 14,000

A: P = d g h  d is the density of the chemical  P is the pressure at the bottom H is the depth of the…

Q: A piece has mass of 57.41 g and volume of 3.62 cm3. The density of the piece in kilogram per cubic…

A: Given Data : The mass of the piece is given as m = 57.41Kg. The volume of the piece is given as…

Q: The quantities a, b, and c are positive and ab equals c/4. If a is increased by 50 percent and b is…

A:

Q: The dot product of vectors A and B is 6 sq. meters. If B = 3.5i + 5.1j – 3k meters and the angle…

A: Given data: Dot product of vector A and B = 6 m2 Vector B = 3.5i + 5.1j – 3k Angle between vector A…

Q: The most powerful engine available for the classic 1963 Chevrolet Corvette Sting Ray developed 360…

A:

Q: The thickness of a physics textbook, not including the covers, is measured as 3.54 cm. If the last…

A:

Q: A block of wood occupies a space 8ft. long, 4ft. wide and 4ft. high. What is the volume of the cord…

A:

Q: In one of the labs, a student found the length and width of a rectangular wooden board. The recorded…

A:

Q: A study finds that the metabolic rate of mammals is proportional to m314, where m is the total body…

A: The total body mass is denoted by m. The metabolic rate (R) of mammals is proportional to m3/4. The…