Newton’s first law of motion states that there must be a cause—which is a net external force—for there to be any change in velocity, either a change in magnitude or direction. An object sliding across a table or floor slows down due to the net force of friction acting on the object.

The object is moving without acceleration. Friction Friction is a force that acts in the direction opposite motion which occurs between two objects in contact. What causes objects to stop moving? Friction Between objects (Brakes on a car get hot) Between air and the object (Stick your hand out of a moving car window) Efforts to reduce friction:

The square of a planet's orbital period is proportional to the cube of the length of the semi-major axis of its orbit. The elliptical orbits of planets were indicated by calculations of the orbit of Mars. From this, Kepler inferred that other bodies in the Solar System, including those farther away from the Sun, also have elliptical orbits. The.

5 points An artificial satellite is moving in a circular orbit of radius 42250.0 km. It takes 24 hour to revolve around the earth. What is its speed in m/s2 A. 3700.0 m/s B. 3070.9 m/s W C. 7300.5 m/s OD.730.0 m/s This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer

10. An artificial satellite is moving in a circular orbit of radius 42250 km. Calculate its speed if it takes 24 hours to revolve around the earth. - 52587393

An artificial satellite is moving in a circular orbit of radius 42250 km. Calculate its speed if it takes 24 hours to revolve around the earth. Q. An artificial satellite is moving in a circular orbit of radius 42250 km .

Uniform circular motion is a specific type of motion in which an object travels in a circle with a constant speed. For example, any point on a propeller spinning at a constant rate is executing uniform circular motion. Other examples are the second, minute, and hour hands of a watch.

Solution Verified by Toppr Relative speed of the train =(36−30) km/hr =6 km/hr = 36006×1000 m/sec = 35 m/sec Time taken to pass each other = time taken to cover (250+350) m ie 600 m at 35 m/sec = 35600 sec =360 sec =6 min Was this answer helpful? 0 0 Similar questions A train 240 m long passes a pole in 24 seconds.

Calculate the de Broglie wavelength of an electron having kinetic energy of 1. 6 × 1 0 − 6 e r g (m e = 9. 1 1 × 1 0 − 2 8 g, h = 6. 6 2 × 1 0 − 2 7 e r g − s e c). Medium View solution

What percentage of kinetic energy of a moving particle is transferred to a stationary particle when it strikes the stationary particle of 4 times its mass? A 36% B 64% C 75% D 25% Medium Open in App Solution Verified by Toppr Correct option is B 64% Was this answer helpful? 0 0 Similar questions Mark correct option or options: Medium View solution

But when the Swiss has a speed of four meters per second and the cheddar still has a speed of two meters per second, the Swiss's kinetic energy is now 1/2 times .05 kilograms times four meters per second squared, which is .4 Joules. So now, the kinetic energy of the Swiss is twice the kinetic energy of the cheddar.

In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s 2 .