A car with a mass of 1000 kilogram is moving at a speed of 10 meters per second. What will be the kinetic energy of the car?

Q: A wave with a wavelength of 1.6 meters and a frequency of 1.2 Hz is traveling in a medium. If the…

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Q: The kinetic energy of an object varies jointly with the mass of the object and the square of its…

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Q: How much time does it take to do 9,560 Joules of work with 860 watts of power?

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Q: The frequency of a wave is 50 Hertz and its wavelength is 25 meters. What is the velocity of this…

A: Introduction- Velocity of a wave is defined as the product of its frequency and Wavelength given-…

Q: FM radio waves travel at a speed of 300,000,000 m/s and may have a frequency of 100,000,000 Hz. What…

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Q: What is the wavelength of a wave that has a frequency of 15 Hz and a speed of 2 m/s?

A: Given data:                  Frequency = 15 Hz                  Speed = 2 m/s Formula :…

Q: A large wine company owns 125-wine barrels that hold a capacity of 3,875 gallons each. How many…

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Q: This is defined as the change in kinetic energy of any matter in the universe Meter…

A: Given : Change in Kinetic Energy Required : Physical quantity related to the the change in kinetic…

Q: A sedentary person requires about 6 million joules of energy per day. This rate of energy…

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Q: What is the wavelength of a wave that has a frequency of 1 Hz and travels at 300,000 km/s?

A: Given information: Here, f is the wave’s frequency, and v is the wave’s speed.

Q: What is the wavelength of a sound wave traveling through the air at sea level that has a frequency…

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Q: A certain car has a fuel efficiency of 25.0 miles per gallon (mi/gal). Express this efficiency in…

A: Given:Fuel efficiency of a car = 25 miles per gallon

Q: A clown in a circus swings back and forth on a long rope. If the clown makes 35 complete swings in…

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Q: What is the work done by a 300-watt electric grinder in 5 minutes?

A: Given value--- power = 300 W. time = 5 min. We have to find--- work done ?

Q: What is the frequency, in Hz, of a wave that completes 5 cycles every 20 ms?

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Q: Assuming that there are 5 × 1013 cells in the humanbody and that ATP is turning over at a rate of…

A: The watts consumed by human body can be given by Watts consumed=ATP molecules turnover/sec×number of…

Q: The speed of a wave is 40 m/s. If the wavelength is 80 centimeters, what is the frequency of the…

A: Speed of wave = 40 m/s  Wavelength = 80 cm = 0.80 m We need to find frequency of wave.

Q: A 181-kilogram object was pushed from rest to a speed of v meters per second, doing 22836.5 joules…

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

Q: What is the wavelength, in m, of a 20,000 Hz wave that travels at 6 km/s?

A: λ=vf

Q: A kilogram of water goes from 90 degrees Celsius to 10 degrees Celsius in a period of 2 hours. If…

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Q: What is the voltage of a circuit that has a current of 15 amps and a resistance of 3 Ohms?

A: Given, Current I = 15 Amps  Resistance R = 3 Ohms

Q: If a wave has a wavelength of 2 m and a frequency of 500 Hz, what is its speed?

A: Given data The wavelength of the wave is given as λ=2 m. The frequency of the wave is given as f =…

Q: A gas-fired turbine generator for production electricity has an efficiency of about 50%. How many…

A: Efficiency is:         η=WQ W is heat output Q is heat given to the system. Amount of heat required…

Q: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the…

A: The object’s kinetic energy can be represented as, Here, m, v, and k represent the object’s mass,…

Q: A lamp consumes 1400 J of electrical energy in 12 seconds. what is it's Power?

A: Introduction :   In this question we are provided it value of work and time . With these data we…

Q: A certain car has a fuel efficiency of 20.4 miles per gallon (mi/gal). Express this efficiency in…

A: Given data: Fuel efficiency of car  = 20.4 mi/gal Required: Fuel efficiency in km/L

Q: What is the frequency of a 3 meter wave that is moving at 1200 m/s?

A: Given data: Wavelength, λ=3 m Velocity, V=1200 m/s Our question is to find the frequency (f) of…

Q: The speed of a wave is 47 m/s. If the wavelength of the wave is 0.5 meters, what is the frequency of…

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Q: What is the frequency of a wave with a speed of 10 m/s and wavelength of 20 m?

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Q: A ball has a kinetic energy of 106 J. If the ball is moving at a velocity of 3.21 m/s, what is the…

A: Given data:  Kinetic energy (KE) = 106 J Velocity (v) = 3.21 m/s Required: The mass of the ball in…

Q: What is the kinetic energy of a car that is traveling at 16.5 m/s if it has a mass of 1,442 kg?…

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Q: A wave has a frequency of 66 Hz and a wavelength of 1.1 meters. What is the speed of this wave?

A: The frequency of a wave is defined as the number of waves passing through a point in space per unit…

Q: 60 Joules of light energy from the sun is used to bring a solar-powered car from rest to a constant…

A: Out of 60 J energy, 15 J energy is converted into thermal energy. Hence, the rest of the energy is…

Q: What is the mass of a bullet (in kg) that is moving with a velocity of 900 m/s and has a momentum of…

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Q: A 50 kilogram ice skater glides across the ice in a straight line at 7 meters per second. If she…

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Q: The frequency of a source of sound is 100 Hz. How many times does it vibrate in a minute?

A: Frequency :- In one second the number of vibration bring out is known as frequency. Given, Frequency…

Q: A 4,500 Kg car going 15 m/s hits a 2,000 kg car going 20 m/s in a head-on collision and they stick…

A: Given- m1=4500 kgv1=15 m/sm2=2000 kgv2=20 m/s To find the new speed

Q: What is the frequency of a wave that has a speed of 10 m/s and a wavelength of 21 m?

A: The relation between speed of a wave , frequency and wavelength is given by v=fλ; where f is…

Q: What is the frequency of a wave that has a length of 2.1 meters and is traveling at a velocity of…

A: The wave's velocity is, v=1230 m/s The wavelength of the wave is, λ=2.1 m

Q: A clothes washer used 3.2 kilowatt for 0.9 hour. If electricity costs $0.31 per kilowatt- hour, how…

A: Given data:  Power (P) = 3.2 kW Time (t) = 0.9 h Electricity cost = $0.31 /kWh Required: The total…

Q: What is the momentum of a car with mass of 1,300 km traveling north at a speed of 28 m/s?

A: Mass = 1300 kg Velocity= 28 m/s

Q: You run forward, pulling a sled behind you with a force of 250 N. If you expend 2,500 Joules, how…

A: Given data:  Force on sled (F) = 250 N Work done (W) = 2,500 J Displacement (d) =?

Q: A car traveled 28 miles in 28 minutes. What was the speed of the car in miles per hour?

A: Given,

Q: What is the kinetic energy of a 3-kilogram ball that is rolling at 2 meters per second?

A: Given, Mass, M= 3 kg, and velocity, v=2 m/s.

Q: A block of tungsten changes in temperature from 15 ˚C up to a temperature of 125 ˚C when 7,500,000…

A: We know that, Cp = 0.133 J/g°C Given, T1= 15°C T2= 125°C Q= 7500000 J

Q: A 100-watt light bulb is left on for 10 hours. Electricity is 10 cents per kilowatt-hour. How much…

A: The energy consumed E (in kWh) by bulb having power rating P (in kW), operating for time T (in…

Q: energy

A: Energy can be measured in the unit like calories as well as in joules. The S.I. unit of the energy…