In the following problem I am asked to calculate a volume respecting the rules of significant figures: v=(4/3)pi (R^3) Where R=4.5cm How should I do the calculation taking into account the significant figures?

Q: What is the kinetic energy of a 900 kg car whose velocity is 16.67 m/s? O 15.0 kJ 125 kJ 12.5 kJ O…

A: Given Mass of car = m = 900 kg Velocity = v = 16.67 m/s We have to calculate the kinetic energy of…

Q: A horse is pulling a sled at a velocity of 3.5 m/s. If the horse's power output is 250 W, what is…

A: Given data:  Velocity (v) = 3.5 m/s Power (P) = 250 W Required: Force (F)

Q: In the figure below, find the potential difference across the terminals of the battery in which…

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Q: electric field at a distance of 0.154 m from the surface of an insulating solid sphere of radius…

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Q: A man pushes a 47.9 kg crate at an angle of 15 degrees below horizontal. What is the minimum force,…

A: Required : Force required to move.

Q: 4. Find the horizontal force F to keep the gate closed. The gate is 2 m wide and 1.5 m in height.…

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Q: 18. 2. The half-life of a radioactive sample is 30 minutes. If the sample originally contains 4x10°…

A: The half-life of a radioactive isotope is the amount of time it takes for one-half of the…

Q: . Another of the 82 moons of Saturn is named Rhea,  which accelerates slower than the planet. 3.…

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Q: 5. According to an observer on Earth, two spaceships A and B are moving towards each other.…

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Q: #16. The frequency of a merry go round is 5 times per minute. What is the tangential velocity of the…

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Q: Given an experiment of a pendulum. You will hang a spoon and a paper clip in 12 inch strings.…

A: A pendulum is an example of a vibration with a regular, consistent motion. A simple pendulum is one…

Q: Determine the speed of car Distance-33.66 km Time=2 hr

A: Speed of the car is calculated by the  Speed=distancetime

Q: 1. a sample of helium gas contained in a balloon is warmed. if the balloon originally measures 1.5 L…

A: Ideal gas equation is  PV=nRTFor constant pressureVT=constantTherefore, V1T1=V2T2

Q: 36. The 10³ сара А.

A: Inductance= L = 2.5 x 10-3 H

Q: 1. What happens to the energy of a wave if the amplitude of the wave is doubled?

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Q: Two children fighting over a 2.21 kg toy pull on the toy in different directions. One child pulls…

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Q: 4. Cylindrical rollers of weight 50 N are placed as shown in figure. The reaction at point of…

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Q: Figure E11.8 11.8 A 60.0-cm, uniform, 50.0-N shelf is supported horizontally by two vertical wires…

A: Draw the free-body diagram of the system.

Q: Find the momentum value Mass=0.766 kg Velocity=0.32 m/s

A: Given data : Mass=m Velocity=V   Required : Momentum

Q: For every meter, n, that you would descend into the water. 5%of light is blocked. At what depth…

A: Given:- 5% of light will be blocked every meter. At what depth only 10% of light will be remained?

Q: .. 10.17 A 12.0-kg box resting on a horizontal, frictionless surface is attached to a 5.00-kg weight…

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Q: 2. A sample gas occupies a volume of 200 mL at 1 atm. what is the new volume of this gas if the…

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Q: Complete the table with correct answers. Write your solutions below. 1. Use the Conventional way of…

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Q: The vertical position, y, of any point on a rope that supports a transvere wave travelling…

A: The vertical displacement is      y = 0.5 sin(4πt + 5πx)  In general format,    y = A sin( wt + kx)…

Q: A man with a mass of 80 kg runs with a velocity of 3 m/s along a line tangent to a circular platform…

A: Before he jumps on the platform his angular momentum L=Mvr This momentum will be preserved in both…

Q: Choose the correct answer between the two. 1. What happens to the Potential Energy of the bicycle…

A: Introduction :- Here a bicycle is going through a point A, point B and then it reaches at point C.…

Q: 20. During a stormy season, winds can move horizontally at 30 m/s. If air strikes a person at the…

A: Given: The speed of the wind is 30 m/s. The strike rate is 40 kg/s.m2. The height of the person is…

Q: You have the following vectors: A=-7.9i+9.73 B-7.11+-1.23 Calculate the magnitude of A - 2B. Your…

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Q: How long does it take to boil 1 L of water (initially at 30 degrees Celsius) in an electric heater…

A: Given: The volume of the water is 1 L. The initial temperature of the water is 30oC. The final…

Q: In a Young’s double slit experiment, using light of wavelength 555 nm, the angular separation of the…

A: Given that- Wave length(λ)=550nm=550×10^-9m Angular separation(θ)=0.750   To determine that-…

Q: Find the density Mass=3.3 kg Volume=0.001 m3

A: Given data : Mass=m Volume=V   To find : Density

Q: 4- What is the direction of magnetic moment for the following current configuration?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A communications antenna is secured by two 16 m guy wires. If the wires meet the ground at 51°, at…

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Q: A) Three charged particles q = +7.5 x 10-6 C are placed as shown in the figure 7.16, where L = 25…

A: Given q = +7.5 x 10-6 C L = 25 cm = 25 x 10-2 m

Q: A 67 kg yak has an average power output of 200 W. How long can a yak climb a 3km high mountain?…

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Q: At constant volume, a container of gas at atmospheric pressure is heated from 27 degrees Celsius to…

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Q: On planet #3, you fire a projectile horizontally from the edge of a vertical cliff 69.9 m above the…

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Q: 1. Give two examples of intensive properties. 2. Give two examples of extensive properties. 3. Give…

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Q: A 0.040kΩ resistor carries a current 20 A. a. What is the potential difference in kV across this…

A: Using ohms law voltage drop across a resistor is V= IR where I is current passing through resistor…

Q: The lightbulb in the circuit shown in the sketch has a resistance of 22 and consumes 5.0 W of power;…

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Q: (10%) Problem 2: A soccer ball is kicked from ground level across a level soccer field with initial…

A: Initial velocity (v0) =6m/s Angle of projection (θ) =34° Horizontal deceleration (ax)  = 0.98m/s2…

Q: Draw the free-body diagram for the 30-N bag suspended on strings as shown in the given figure. Then…

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Q: The two children sit at opposite ends of a seesaw of negligible mass. The seesaw has a length of 4.0…

A: Consider the adult of mass 60 kg sits on the left side from the pivot point because on the left side…

Q: Find the momentum Mass of object=1.23 kg Velocity=0.33 m/s

A: Given  Mass (m) = 1.23 kg  Velocity (v) = 0.33 m/s    Momentum is given as :-          P = mv

Q: 4. A solid metal sphere with radius 0.45 m carries a net charge of 0.25 nC. Find the magnitude of…

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Q: Find the density Mass=3.3 kg Volume=0.001 m3

A: Given - Mass = 3.3 kg Volume = 0.001 m3 = 1 litre

Q: is not B and C   or   A and D. Your solution is incorrect.

A: In the interference pattern the fringe width remains same and intensity is also gets same. But in…

Q: Solve with illustration.  A 5.3 cm tall wooden cane is placed a distance of 9.1 cm from a concave…

A: Mirror equation  1/u + 1/v = 1/f Where, u is the distance of object from the mirror, v is the…

Q: Find the value of kinetic energy stored in object of mass 12 kg moving with velocity 2.25 m/s

A: Given data : Mass=m Velocity=V   To find : Kinetic energy

Q: What is the weight, in USCS units, of an object 1000 miles above the surface of the earth, if it…

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Estimate of calculation