You drive in straight line at 20 m/s for 10 miles, then at 30m/s for an other 10 miles what is your average speed

as technology advances, new experiments often expose problems in accepted theories. c

hope i

-lavira: )

a longitudinal wave moves energy that is to the direction of the wave’s movement. - true

unlike poles attract

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.