Master the Art of Physics: Comprehensive Examples and Expert Advice
Recent questions in Physics
Thermal PhysicsAnswered question
tel1lebv9 2023-03-08 If the boiling point of water in Kelvin scale is 373 K. What is the boiling point of water on degree celcilus scale(oC)?
Force, Motion and EnergyAnswered question
picorants03p 2023-03-08How does the gravitational force change between two objects when the distance between them is doubled ?
Force, Motion and EnergyAnswered question
Camron Higgins 2023-03-05What effect does distance have on the strength of the force of gravity?
Thermal PhysicsAnswered question
Ashtyn Duncan 2023-03-03 Which of the following is/are an example of the convection of heat?
A rod is being heated from one side
Boiling water
Sunlight reaching earth
Ladle is getting hot in soup
A rod is being heated from one side
Boiling water
Sunlight reaching earth
Ladle is getting hot in soup
Force, Motion and EnergyAnswered question
leparadiso4uw 2023-03-02What is potential energy ? State its unit.
Force, Motion and EnergyAnswered question
Emery Hill 2023-02-28A race car starts from rest on a circular track of radius 400m. The car's speed increases at the constant rate of . At the point where the magnitudes of the centripetal and tangential accelerations are equal, determine the speed of the car ?
Force, Motion and EnergyAnswered question
Jaelyn Mueller 2023-02-27The resistance to change the state of motion depends on the ___ of an object.
A)Size;
B)temperature;
C)volume;
D)mass
A)Size;
B)temperature;
C)volume;
D)mass
Force, Motion and EnergyAnswered question
utopizemtzzt 2023-02-26A car traveling 58.5 km/h is 27.4 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.18 s later. (a) What is the car's constant deceleration magnitude before impact? (b) How fast is the car traveling at impact?
Fluid MechanicsAnswered question
Selena Hardin 2023-02-25The density of seawater is . The pressure at a depth of 5 m below the surface of the sea is ___ .
Force, Motion and EnergyAnswered question
Jimena Mcconnell 2023-02-25A man weighs 600 N on the earth. What is his mass? (take ). If he were taken to the moon, he would weigh 100 N. How big is he on the moon? What is the gravity acceleration on the moon? [3 MARKS]
Light and OpticsAnswered question
Jadiel Bowers 2023-02-25 How does the sun produce light?
Sun is made of many illuminating particles which emit light
Sun just reflects light from other stars to Earth
Nuclear reaction in the Sun emits energy in the form of light
None of these
Sun is made of many illuminating particles which emit light
Sun just reflects light from other stars to Earth
Nuclear reaction in the Sun emits energy in the form of light
None of these
Force, Motion and EnergyAnswered question
adwelitiovb 2023-02-24The potential difference between two oppositely charged infinite sheets, with charge density σ and separation D, is proportional to?
A) 1/σ
B) σ
C) 1/D
D)
A) 1/σ
B) σ
C) 1/D
D)
Electric currentAnswered question
Jaslyn Gordon 2023-02-24The rate of flow of charges is known as
1) Electric potential
2) Electric conductance
3) Electric current
4) None of these.
1) Electric potential
2) Electric conductance
3) Electric current
4) None of these.
Light and OpticsAnswered question
IodignHoimirsso 2023-02-24 Things that float in water are ____ than it and things that sink are ____ than it.
heavier, lighter
lighter, lighter
lighter, heavier
heavier, heavier
heavier, lighter
lighter, lighter
lighter, heavier
heavier, heavier
ElectromagnetismAnswered question
Reblausvtct 2023-02-24What is the wavelength of the light emitted when an electron in a hydrogen atom undergoes transition from the energy level n = 4 to energy level n = 2? What is the colour corresponding to their wavelengths? (Given )
A) 486 nm, Blue
B) 576 nm, Blue
C) 650, Blue
D) 450 nm, Blue
A) 486 nm, Blue
B) 576 nm, Blue
C) 650, Blue
D) 450 nm, Blue
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