Algunos tenistas son capaces de comunicar a la pelota velocidades de 200 km/h. Si la masa de la pelota es de 100g, ¿Qué momento lleva en ese instante la pelota?

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle

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.

i think the answer would be reserve.