Can anything with mass go the speed of light?

1 Answer

Answer :

Yes, money out of congress – sorry just had to say it!

Related questions

Description : I heard that If anything travels at the speed of light space time warps ; then what about light...

Last Answer : answer:Maybe in the universe you design this should be so, but it's not in the one we share. Light travels at a certain speed (in what we consider the vacuum of space-and which may not be so vacuous ... it travels at different speeds as it enters air, water, glass, etc. That's just the way it is.

Description : Einstein's mass-energy relationship states that if the mass decreases by Δm, the energy released ΔE is given by A. ΔE = Δm c, where "c" denotes the speed of light. B. ΔE = Δm c², where "c" ... where "c" denotes the speed of light. D. ΔE = Δm ⁄ c², where "c" denotes the speed of light

Last Answer : ΔE = Δm × c², where "c" denotes the speed of light.

Description : Planck's constant was first introduced in order to obtain a correct theoretical prediction of: w) the distribution of frequencies occurring in black body radiation. x) the energy produced by the transformation of mass into energy. y) the speed of light. z) lifetime of the neutron.

Last Answer : ANSWER: W -- THE DISTRIBUTION OF FREQUENCIES OCCURRING IN BLACK BODY RADIATION

Description : Why is there nothing, nor can there be anything, faster than the speed of light?

Last Answer : Because light has 0 mass.

Description : Is there an information transmitter that sends data faster than light?

Last Answer : It may be faster, but it would require a wormhole. So at the existing speed we use, the speed of light is the fastest!

Description : Kinetic energy depends on – (1) the velocity or speed of the moving body. (2) the mass of the moving body (3) the pressure of the moving body (4) both mass and velocity of the moving body

Last Answer : (4) both mass and velocity of the moving body Explanation: Kinetic energy is the energy associated with the movement of objects. The amount of kinetic energy that an object has depends upon two variables: the mass (m) of the object and the speed (v) of the object.

Description : A white ball of mass 1.0 kg moving with initial speed u = 0.5 m s-1 collides with stationary red ball of same mass, they move forward making angle of 90° between their paths. Their speed is A. 1 m s-1 B. 0.354 m s-1 C. 2 m s-1 D. 3 m s-1

Last Answer : 0.354 m s-1

Description : Centripetal force is dependent on three factors, the odd one out of these factors is A. Mass of the rotating object B. Speed of the rotating object C. Volume of the rotating object D. Path radius

Last Answer : Volume of the rotating object

Description : A firecracker is placed in the middle of a cluster of stationary billiard balls. The firecracker-billiard ball system sits on a frictionless surface. As the firecracker explodes, the balls scatter. What is the momentum ... to the combined speed of the balls y) equal to the mass of the balls z) zero

Last Answer : ANSWER: Z -- ZERO

Description : Consider a car driving around a circular bend in the road. Which of the following CANNOT be constant? w) velocity of car x) speed of car y) nonrelativistic mass of car z) angular momentum of the car about the center of the circle  

Last Answer : ANSWER: W -- VELOCITY OF CAR

Description : A car with a mass of 1000 kilogram is moving at a speed of 10 meters per second. The kinetic energy of the car is: w) 100 Joules x) 5000 Joules y) 10,000 Joules z) 50,000 Joules

Last Answer : ANSWER: Z -- 50,000 JOULES

Description : A train locomotive whose mass is 1 x 106 kilograms is traveling EAST at a speed of 100 kilometers per hour. A NORTHERLY wind is applying a force of 100 Newtons on the locomotive. How much work is the wind doing ... 10 meters it travels? w) 0 joules x) 1,000 joules y) 10,000 joules z) 100,000 joules

Last Answer : ANSWER: W -- 0 JOULES

Description : Two bodies of equal mass are moving in circular paths at equal speed. The first body moves in a circle whose radius is twice as great as that of the second. The ratio of the centripetal or radial acceleration of the first body to that of the second is: w) 1 to 4 x) 1 to 3 y) 1 to 2 z) 1 to 1

Last Answer : ANSWER: Y -- 1 TO 2

Description : A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is: w) 1250 kilograms x) 2500 kilograms y) 5000 kilograms z) 10,000 kilograms

Last Answer : ANSWER: X -- 2500 KILOGRAMS

Description : As a 10 kilogram mass on the end of a spring passes through its equilibrium position, the kinetic energy of the mass is 20 joules. The speed of the mass is: w) 2.0 meters per second x) 4.0 meters per second y) 5.0 meters per second z) 6.3 meters per second

Last Answer : ANSWER: W -- 2.0 METERS PER SECOND

Description : Kinetic energy depends on (1) the velocity or speed of the moving body. (2) the mass of the moving body (3) the pressure of the moving body (4) both mass and velocity of the moving body

Last Answer : both mass and velocity of the moving body

Description : Light has no mass so it also has no energy according to Einstein, but how can sunlight warm the earth without energy? -Physics

Last Answer : Light indeed carries energy and accomplishes this without having any mass. The Einstein equation that you are probably referring to is E = mc2. This equation is actually a special case of the ... their energy from their momentum. Light indeed carries energy via its momentum despite having no mass.

Description : The index of refraction can be considered: w) a ratio of material thickness between substances x) a ratio of velocities of light in different materials y) a ratio of mass between materials z) to have the units of photons

Last Answer : ANSWER: X -- A RATIO OF VELOCITIES OF LIGHT OF DIFFERENT MATERIALS 

Description : As a proton falls into a black hole, it accelerates. How large will its mass become as it approaches light speed?

Last Answer : answer:To answer the title question: The proton will approach light speed as it crosses the event horizon, since that marks the place where light speed is the escape velocity. It won't quite reach light speed ... the singularity of the black hole. I'm even less sure as to what person A will see.

Description : If a material object moves with the speed of light ‘c’ its mass becomes a) equal to its rest mass b) Four times of its rest mass c) Double of its rest mass d) Infinite

Last Answer : d) Infinite

Description : What do you think would happen if we broke the speed of light in a vacuum?

Last Answer : Uh, not too much.

Description : How do we know there is nothing faster than the speed of light?

Last Answer : Because we haven’t found it yet.

Description : Why does time slow down as one approaches the speed of light?

Last Answer : One thought experiment that shows that time does in fact slow down is to imagine two inertial frames of reference- call them spaceships if you want- moving relative to each other. Say that each ship has a ... that seems to contradict the twin paradox. Hmm I'll have to think on it a bit more.

Description : Is the speed of light constant?

Last Answer : Yes. Is there more to this question?

Description : If I were in a space ship traveling at the speed of light and turned on my headlights what would happen?

Last Answer : Too bad I fit the stereotype of “girls suck at physics”....but I love the question!

Description : What do you suppose would happen if we were able to break the speed of light?

Last Answer : Čerenkov radiation

Description : The refractive indices of four media A, B, C and D are given in the following table: light-reflection-and-refraction-chapter-wise-important-questions-class-10-science-9 If light, travels from one medium to another, in which case the change in speed will be (i) minimum, (ii) maximum? -Physics

Last Answer : (i) Minimum change is seen as light moves between 1.50 and 1.52, i.e. B and C. (ii) Maximum change when light moves between 1.33 and 2.40, i.e. A and D.

Description : “The refractive index of diamond is 2.42”. What is the meaning of this statement in relation to speed of light? -Physics

Last Answer : I hope it helped you

Description : What would happen if you drove your car close to the speed of light and turned on the headlights? -Physics

Last Answer : Light in vacuum always travels at the same speed c, exactly 299,792,458 meters per second, no matter how it is created or in what frame it is observed. If you drove a car close to the speed ... space is much more feasible, but even then the sparse space dust starts to cause problems at such speeds.

Description : What is the speed of light in diamond ?

Last Answer : The speed of light in diamonds is 1.24x108ms-1

Description : What is the speed of light in ordinary glass ?

Last Answer : The speed of light in ordinary glass is 2x108ms-1

Description : What is the speed of light in water ?

Last Answer : The speed of light in water is 2.26x108ms-1

Description : What is the speed of light in air ?

Last Answer : 29.9 * 108 = 2.981 * 108 ms -1

Description : What is the speed of light ?

Last Answer : The speed of light is 1, 6,000 miles per second or 3,000,000 km ( approximately ) .

Description : What is the speed of light through dense ?

Last Answer : The speed of light decreases through dense.

Description : Which medium has the highest speed of light ?

Last Answer : The speed of light through zero is the highest

Description : Whose experiments proved that the speed of light was always the same?

Last Answer : – Michelson and Morley

Description : Winch of the following is not true about X-rays? (1) have low penetrating power (2) travel with the speed of light (3) Can be reflected or refracted (4) can affect photographic plates

Last Answer : (1) have low penetrating power Explanation: X-rays and gamma rays are photons, i.e. high-energy light-waves. When emitted by a source, for example, radium or cobalt, located outside the body, they ... they can be used in diagnostic medicine to image human bones or human organs made opaque by a dye.

Description : The characteristic invalid for heat radiation is that it travels – (1) in a straight line (2) in all directions (3) with the speed of light (4) heating the medium through which it passes

Last Answer : (3) with the speed of light Explanation: Heat is a form of energy. An important property of heat is that it flows from a body at higher temperature to another body at lower temperature.

Description : Decibel is the unit of ______. (1) Speed of light (2) Intensity of sound (3) Intensity of heat (4) None of these

Last Answer : (2) Intensity of sound Explanation: Decibel (dB) unit is used for expressing the ratio between two amounts of electric or acoustic power for measuring the relative loudness of sounds.

Description : Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Last Answer : (3) greater than the speed of sound Explanation: The regimes of flight are subsonic, transonic, supersonic and hypersonic. Vehicles that fly at supersonic speeds are flying faster than the speed of sound. The speed of sound is about 768 miles per hour (1,236 kilometers per hour) at sea level.

Description : The speed of light will be minimum while passing through - (1) water (2) vaccum (3) air (4) glass

Last Answer : (4) glass Explanation: T Light travels at approximately 300,000 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water (refractive ... 1.3; see Figure 1) and 200,000 kilometers per second in glass (refractive index of 1.5).

Description : A light year is a unit of – (1) time (2) distance (3) speed of light (4) intensity of light

Last Answer : (2) distance Explanation: As defined by the International. Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year. It is a measure of distance (rather than, as is sometimes misunderstood, a measure of time).

Description : Supersonic plane fly with the speed - (1) less than the speed of sound (2) of sound (3) greater than the speed of sound (4) of light

Last Answer : (3) greater than the speed of sound Explanation: Supersonic travel is a rate of travel of an object that exceeds the speed of sound (Mach 1). For objects traveling in dry air of a temperature of 20 °C (68 °F) ... this speed is approximately 344 m/s, 1,125 ft/s, 768 mph, 667 knots, or 1,235 km/h.

Description : To measure the speed of an approaching car a police officer shines – (1) light waves on it (2) microwaves on it (3) radio waves on it (4) ultra high frequency waves on it

Last Answer : (3) radio waves on it Explanation: Radar, which stands for radio detection and ranging, is a system that uses reflected radio waves to detect objects and measure their distance and speed. For example, police use radar to calculate the speed of cars.

Description : The speed of light with the rise in the temperature of the medium : (1) Increases (2) Decreases (3) Remains unaltered (4) Drops suddenly

Last Answer : (3) Remains unaltered Explanation: The speed of light with the rise in the temperature of the medium remains unaltered because speed of light doesn't depend on temperature. It does depend, however ... in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics.

Description : The speed of light in air is – (1) 3 x 10⁸ m/s (2) 3 x 10⁻⁸ cm/s (3) 8 x 10³ m/s (4) Infinity

Last Answer : (1) 3 x 10⁸ m/s Explanation: Speed of light (in Media) = Speed of Light (in Vacuum) / Refreactive Index of Material. Speed of light in air as taken generally is 3 X 10 power 8 meter per second.

Description : Decibel is the unit used for – (1) Speed of light (2) Intensity of heat (3) Intensity of sound (4) Radio wave frequency

Last Answer : (3) Intensity of sound Explanation: The decibel (abbreviated dB) is the unit used to measure the intensity of a sound. The decibel scale is a little odd because the human ear is incredibly ... of a physical quantity (usually power or intensity) relative to a specified or implied reference level.

Description : A light year is a measure of : (1) Speed (2) Velocity (3) Distance (4) Time

Last Answer : (3) Distance Explanation: A light-year is a unit of length equal to just under 10 trillion kilometres (or about 6 trillion miles). As defined by the International Astronomical Union (TAU), a ... lightyear is a measure of distance (rather than, as is sometimes misunderstood, a measure of time).

Description : The particle nature of light is demonstrated by which of the following? w) the photoelectric effect x) the various colors of light y) the speed of light z) diffraction.

Last Answer : ANSWER: W -- THE PHOTOELECTRIC EFFECT