A boat has a top speed of 30 knots and a displacement of approximately 102,000 tons. Express the top speed in miles per hour and the displacement in metric tonnes. ​(1 knot=1 nautical mile per​ hour; 1 metric tonne=1000 ​kilograms)

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: If 2 gallons of water comes out of a 3/4" diameter faucet every minute, what is the speed of the…

A:

Q: In astronomy, distances are often expressed in light-years. One light-year is the distance traveled…

A: 1 light year is the distance traveled by light in one year. 1 year = 365.25 days            = (…

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 piece of metal has a weight density of 1200 lb/ft3. What volume of this metal would have a weight…

A: Weight density  = 1200 lb/ft3 Weight  = 75 lb Volume =?

Q: A particular frost-free refrigerator uses about 720 kWh of electrical energy per year.    Express…

A:

Q: The density of iron (Fe) is 7874 kg/m3. If a cube of iron (Fe) occupies a volume of 0.40 m3 what is…

A:

Q: covers an area of 5.01

A: 1 m = 100 cm

Q: How many significant figures are in the number 0.00030100?

A:

Q: A person on a diet lost 2 kg in a week. How many micrograms per second were lost on average? Report…

A: Given data:  Rate of weight lost = 2 kg/week Required: Rate of of weight lost in μg/s

Q: Earth, the densest planet in the solar system, has a mass of 5.98 x 1024 kg and a volume of 1.08 x…

A: Given: The mass of the earth is 5.98x1024 kg. The volume of the earth is 1.08x1021 m3.

Q: An object with a mass of M and a volume of V has a density of ρ. If the density is doubled without…

A:

Q: A point-mass of 17 grams at the end of a massless 20 centimeter long string is rotated at a rate of…

A:

Q: A unit called the beard-second is the length the average beard grows in 1 second. A beard-second is…

A: Given 1 beard-second = 10×10-9 m

Q: The mass of the blood = 6% of the body mass. what are the volume of the blood of a 60 Kg man (Note:…

A: We need to calculate the volume of blood of a 60 kg man.

Q: A square cube has sides with dimensions of 2.8 cm.  If the mass of the cube is 58 grams, what is the…

A:

Q: A hardware salesman measures the mass of a box containing 1000 washers. The mass is 1.3082 kg. What…

A: Number of washers is given as, N = 1000.Mass of the box is given as,

Q: A shipping container will be used to transport several 80-kilogram crates across the country by…

A: Solution

Q: The mass of a newborn baby’s brain has been found to increase by about 1.6 mg per minute. (a) How…

A: Rate of increase of mass of a newborn baby's brain,…

Q: What is the ratio (in cm) of the Volume to the Surface Area of a Cube of side 5.9 cm?

A: Given data:  A cube The side of the cube (s) = 5.9 cm Required: The ratio of the volume to the…

Q: Calculate the volume of a box in cubic meters, if the sides are: 48 cm, 40 cm, and 25 cm. Your…

A: V = l×b×h

Q: The gasoline gauge on a van initially read (1)/(8) full. When 15 gallons were added to the tank, the…

A: Let total capacity of the tank is x gallon.Initially the amount of gasoline in the tank = x/8…

Q: What is the ratio of the volume of 10 kg of gold to the volume of 10 kg of oak

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: 0.4 of an object is floating in a container filled with water. What is the density (in kg/m) of the…

A: Solution to ur question is as follows. Hope this will be helpful for you.

Q: A square field measuring 100.0 m by 100.0 m has an area of 1.00 hectare. An acre has an area of…

A: Given that, 1 hectare area = 100 × 100 = 10000m2 1 acre area = 43600 ft2  = 43600× ( 0.3048)2  m2  =…

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: A light-year is the distance light travels in one year (at speed 2.998 x 10^8 m/s). (a) How many…

A:

Q: A person measures the velocity of a biker riding in a straight line along a sidewalk using a…

A: Formula used: Area of the square A =side2 Velocity = displacement /time The time taken by the biker…

Q: Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and…

A:

Q: cubic box contains 385 grams of water. What is the length of one side of the box in meters?

A:

Q: Suppose you take a trip that covers 180 km and takes 3 hours to make. Use the appropriate unit…

A: Given Distance covered in the trip is d=180 km Time taken is t=3 h   We have to find the average…

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

Q: 0.49 of an object is floating in a container filled with water. What is the density (in kg/m') of…

A: Buoyant force experienced by an object in a liquid is equal to the weight of the displaced liquid.…

Q: If the density of an object is 8.060 lb/ft3, then the density in SI units, is what?

A: The given data is: Density: 8.060 lb/ft3 The objective is to convert the unit to SI system.

Q: The number of significant figures in 0.06900 is (a) 5 (b) 4 (c) 2 (d) 3

A: The number of significant figures in 0.06900 is

Q: At your trip in Tokyo, you stay in a typical business hötél röóm, which häs à šizé ôf about 20 m2.…

A: given : size of hotel room = 20 m2   we have to find height in ft2

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.