mass of an aeroplane is 480 quintal it starts from rest and develops a speed of 42ms^-1 just before take off if the length of the runaway is 2 km calculate the power?

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.