A body of mass 2.0kg and which is rest is subjected to a force of 200N for 0.20 s followed by a force of 400 N for 0.30 s acting in the same direction. Calculate (a)The total impulse on the body and (b) the final speed of the body​

The frequency of a given region of the electromagnetic spectrum ranges from 3 × 1016 − 3 × 1019 hertz. which type of wave is found in this region? a. x-rays b. ultraviolet rays c. infrared waves d. radio waves

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.