A 0.05 kg tennis ball moves at a speed of 10 m/s and is struck by a racket causing it to rebound in the opposite direction at a speed 16 m/s. What is the impulse exerted on the ball?

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

i think it's 35 meters

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide