Scientists are experimenting with a king of gun that may eventually be used to fire payloads directly into orbit. in one test, this gun accelerates a 5.0kg projectile from rest to speed of 4.0 x 10^3 m / s. the net force accelerating the projectile is 4.9 x 10^5n. how much time is required for the projectile to come up to speed?

The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.