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4. A spaceship has left Earth's orbit and is on its way to the Moon. It accelerates at 20
m/s2 for 2 min and covers a distance of 1000 km. What are the initial and 'nal
velocities of the spaceship?​

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?