WebThe radius of Earth is 6.4 x 10 3 km. Find the surface area of Earth in square meters and in square miles. 4. When a body of mass m is moving with a speed v, it has kinetic energy associated with its motion. Energy is measured in kg m2 s-2, If the speed of a moving body is increased by 25% while its mass remains constant, by what percentage ... WebQuestion Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction …
8.3 Elastic and Inelastic Collisions - Physics OpenStax
WebJan 6, 2024 · Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction of energy lost by the colliding body A is: (A) 4/9 (B) 5/9 (C) 1/9 (D) 8/9 laws of motion class-11 1 Answer +1 vote answered Jan 6, 2024 by Anamika jain (39.5k points) WebWhen body A with speed u is collide with body B and it is having an elastic collision after the collision is shown in the figure below, Now, The final velocity of the body B in the elastic collision is written as; v 2 = m 2 − m 1 m 1 + m 2 u 2 + 2 m 1 u 1 m 1 + m 2. ⇒ v 2 = 2 − 4 4 + 2 × 0 + 2 × 4 u 4 + 2. ⇒ v 2 = 2 × 4 u 4 + 2. new south indian movies 2021 hindi dubbed
Q. Given below are two statements : one is labelled as Assertion
WebMar 6, 2024 · Assertion A : Body 'P' having mass M moving with speed 'u' has head-on collision elastically with another body 'Q' having mass 'm' initially at rest. If m << M, body … WebProblem. 22P. As we explained in Chapter 13, an object having a mass m and moving with a speed V has a kinetic energy, which is equal to. Plot the kinetic energy of a car with a mass of 1500 kg as the function of its speed. Vary the speed from zero to 35 m/s (126 km/h). Determine the rate of change of kinetic energy of the car as function of ... WebFeb 21, 2024 · Video of the Day. Muscle is one of the main components in the human body, alongside fat, bones and water. Your organs are also made of muscle (the heart, for … new south indian movie hindi dub