A spacecraft has a momentum of 20000kg * m/s, and a mass of 250 kg. What is the magnitude of its velocity

Write the equation for speed

Describe the arrangement of the sun moon and earth during a solar eclipse and a lunar eclipse

Compare the outermost electrons of an atom with the inner most electrons of an atom in terms of energy

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction

A ray diagram is shown. Which statement best describes the diagram?

Change in speed over a given period of time is

A car takes 15 minutes to travel along a road that is 20 km long. What is the average speed of the car? A. 75 km/h B. 5.0 km/h C. 80 km/h D. 300 km/h

A 4.2 cm diameter circular loop of wire is in a 1.14 T magnetic field. The loop is removed from the field in 0.18 s. Assume that the loop is perpendicular to the magnetic field. What is the average induced emf?

When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?

Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, respectively. A) 19.8° B) 31.3° C) 40.9° D) 64.0°